/// <summary>
/// Process the filter on the specified image.
/// </summary>
/// <param name="sourceData">Source image data.</param>
/// <param name="destinationData">Destination image data.</param>
protected override unsafe void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
{
var pixelSize = Image.GetPixelFormatSize(sourceData.PixelFormat) / 8;
// get width and height
var width = sourceData.Width;
var height = sourceData.Height;
var srcOffset = sourceData.Stride - width * pixelSize;
var dstOffset = destinationData.Stride - width;
// do the job
var src = (byte*)sourceData.ImageData.ToPointer();
var dst = (byte*)destinationData.ImageData.ToPointer();
// for each row
for (var y = 0; y < height; y++)
{
// for each pixel
for (var x = 0; x < width; x++, src += pixelSize, dst++)
{
var r = (float)src[RGB.R] / 255;
var g = (float)src[RGB.G] / 255;
var b = (float)src[RGB.B] / 255;
var yindex = (float)(0.2989 * r + 0.5866 * g + 0.1145 * b);
*dst = (byte)(yindex * 255);
}
src += srcOffset;
dst += dstOffset;
}
}
/// <summary>
/// Get rectangle contain object in current frame
/// </summary>
/// <param name="templateInfo">Tracking template information</param>
/// <param name="source">Frame</param>
/// <returns>Rectangle contain object</returns>
public static Rectangle TemplateColorTracking(ImageStatistics templateInfo, ref UnmanagedImage source)
{
UnmanagedImage image = source.Clone();
// create filter
EuclideanColorFiltering filter = new EuclideanColorFiltering();
// set center colol and radius
filter.CenterColor = new RGB(
(byte)templateInfo.Red.Mean,
(byte)templateInfo.Green.Mean,
(byte)templateInfo.Blue.Mean);
filter.Radius = 30;
// apply the filter
filter.ApplyInPlace(image);
image = Grayscale.CommonAlgorithms.BT709.Apply(image);
OtsuThreshold threshold = new OtsuThreshold();
threshold.ApplyInPlace(image);
BlobCounter blobCounter = new BlobCounter();
blobCounter.ObjectsOrder = ObjectsOrder.Size;
blobCounter.ProcessImage(image);
Rectangle rect = blobCounter.ObjectsCount > 0 ? blobCounter.GetObjectsRectangles()[0] : Rectangle.Empty;
return rect;
}
/// <summary>
/// Process the filter on the specified image.
/// </summary>
///
/// <param name="image">Source image data.</param>
///
protected unsafe override void ProcessFilter(UnmanagedImage image)
{
int width = image.Width;
int height = image.Height;
int pixelSize = System.Drawing.Image.GetPixelFormatSize(image.PixelFormat) / 8;
int stride = image.Stride;
int offset = stride - image.Width * pixelSize;
byte* src = (byte*)image.ImageData.ToPointer();
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++, src += pixelSize)
{
double sum = src[RGB.R] + src[RGB.G] + src[RGB.B];
sum = sum == 0 ? 1 : sum;
double red = src[RGB.R] / sum;
double green = src[RGB.G] / sum;
double blue = 1 - red - green;
src[RGB.R] = (byte)(red * 255);
src[RGB.G] = (byte)(green * 255);
src[RGB.B] = (byte)(blue * 255);
}
src += offset;
}
}
private void BtnLoadimage_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog
{
Multiselect = true,
Filter = "Image files (*.png;*.jpeg;*.bmp)|*.png;*.jpeg;*.bmp|All files (*.*)|*.*",
//openFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
//InitialDirectory = "C:\\Users\\BrianWang\\Desktop\\English Muffin Scan\\Dec 1 2017"
InitialDirectory = "C:\\Users\\kai23\\Projects\\ABI\\EnglishMuffinVision_AForge\\Images\\English Muffin\\Batch 1\\All Top"
};
if (openFileDialog.ShowDialog() == true)
{
foreach (string filename in openFileDialog.FileNames)
{
lblfilename.Content = filename;
int startPos = filename.LastIndexOf("SK Foods On-Site Scan") + "SK Foods On-Site Scan".Length + 1;
int length = filename.IndexOf("æ") - startPos - 1;
string sub = filename.Substring(startPos, length);
lblFolder.Content = sub;
GrayScaleImage = AForge.Imaging.Image.FromFile(filename);
imageLoaded = true;
}
}
if (imageLoaded)
{
AForge.Imaging.UnmanagedImage unmanagedImage1 = AForge.Imaging.UnmanagedImage.FromManagedImage(GrayScaleImage);
Bitmap managedImage = unmanagedImage1.ToManagedImage();
BitmapImage GrayImage_temp = ToBitmapImage(managedImage);
imgGray.Source = GrayImage_temp;
}
}
protected override void ProcessFilter(UnmanagedImage image)
{
foreach (Rectangle rectangle in rectangles)
{
Drawing.Rectangle(image, rectangle, markerColor);
}
}
/// <summary>
/// Looks for the brightest pixel after applying a redness filter. Narrows search first using a resampled copy of the image to eliminate edge dots.
/// Expects an image that is already cropped to the interested area for faster processing.
/// </summary>
/// <param name="img"></param>
/// <param name="mouse"></param>
/// <param name="maxDistanceFromMouse"></param>
/// <returns></returns>
public unsafe Point FindMaxPixel(UnmanagedImage img, PointF mouse, float maxDistanceFromMouse)
{
int width = 15;
int height = (int)Math.Ceiling((double)img.Height / (double)img.Width * width);
if (width <= img.Width && height <= img.Height + 1) {
width = img.Width;
height = img.Height;
}
double scale = (double)img.Width / (double)width;
UnmanagedImage lowRed = null;
try {
if (width != img.Width && height != img.Height) {
using (Bitmap reduced = new Bitmap(width, height, PixelFormat.Format24bppRgb))
using (Graphics g = Graphics.FromImage(reduced))
using (ImageAttributes ia = new ImageAttributes()) {
g.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceCopy;
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
ia.SetWrapMode(System.Drawing.Drawing2D.WrapMode.TileFlipXY);
g.DrawImage(img.ToManagedImage(false), new Rectangle(0, 0, width, height), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, ia);
//TODO: Not sure if ToManagedImage will stick around after the underying image is disposed. I know that the bitmap data will be gone, guess that's most of it.
using (UnmanagedImage rui = UnmanagedImage.FromManagedImage(reduced)) {
lowRed = new RedEyeFilter(2).Apply(rui); // Make an copy using the red eye filter
}
}
} else {
//Don't resample unless needed
lowRed = new RedEyeFilter(2).Apply(img);
}
Point max = GetMax(lowRed, new PointF(mouse.X / (float)scale, mouse.Y / (float)scale), maxDistanceFromMouse / scale);
//We weren't scaling things? OK, cool...
if (scale == 0) return max;
//Otherwise, let's get the unscaled pixel.
//Calculate the rectangle surrounding the selected pixel, but in source coordinates.
int tinySize = (int)Math.Ceiling(scale) + 1;
Rectangle tinyArea = new Rectangle((int)Math.Floor(scale * (double)max.X), (int)Math.Floor(scale * (double)max.Y), tinySize, tinySize);
if (tinyArea.Right >= img.Width) tinyArea.Width -= img.Width - tinyArea.Right + 1;
if (tinyArea.Bottom >= img.Height) tinyArea.Height -= img.Height - tinyArea.Bottom + 1;
//Filter it and look
using (UnmanagedImage tiny = new Crop(tinyArea).Apply(img)) {
using (UnmanagedImage tinyRed = new RedEyeFilter(2).Apply(tiny)) {
max = GetMax(tinyRed);
max.X += tinyArea.X;
max.Y += tinyArea.Y;
}
}
return max;
} finally {
if (lowRed != null) lowRed.Dispose();
}
}
public void dessinePoint(IntPoint point, UnmanagedImage img,int nbPixel,Color col)
{
for (int i = point.X - nbPixel / 2; i < point.X + nbPixel / 2 + 1; i++)
{
for (int j = point.Y - nbPixel / 2; j < point.Y + nbPixel / 2 + 1; j++)
{
img.SetPixel(i, j, col);
}
}
}
/// <summary>
/// Locks the image for editing and returns the display image.
/// </summary>
/// <returns>Returns the current display image.</returns>
public Bitmap Lock()
{
CanEdit = false;
display.Dispose();
display = workingImage.ToManagedImage();
workingImage.Dispose();
workingImage = null;
return display;
}
public void ColeurVersNB()
{
/* Deprecated trop longue */
/* Convertie l'image en noir et blanc */
UnmanagedImage image = UnmanagedImage.Create(UnImgReel.Width, UnImgReel.Height,
PixelFormat.Format8bppIndexed);
Grayscale.CommonAlgorithms.BT709.Apply(UnImgReel, image);
imgNB = image;
}
public static void ConvertToGrayscale(UnmanagedImage source, UnmanagedImage destination)
{
if (source.PixelFormat != PixelFormat.Format8bppIndexed)
{
Grayscale.CommonAlgorithms.BT709.Apply(source, destination);
}
else
{
source.Copy(destination);
}
}
public static void GdiDrawImage(this Graphics graphics, UnmanagedImage image, Rectangle r)
{
IntPtr hdc = graphics.GetHdc();
IntPtr memdc = GdiInterop.CreateCompatibleDC(hdc);
IntPtr bmp = image.ImageData;
GdiInterop.SelectObject(memdc, bmp);
GdiInterop.SetStretchBltMode(hdc, 0x04);
GdiInterop.StretchBlt(hdc, r.Left, r.Top, r.Width, r.Height, memdc, 0, 0, image.Width, image.Height, GdiInterop.TernaryRasterOperations.SRCCOPY);
GdiInterop.DeleteObject(bmp);
GdiInterop.DeleteDC(memdc);
graphics.ReleaseHdc(hdc);
}
protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
{
int pixelSize = (image.PixelFormat == PixelFormat.Format8bppIndexed) ? 1 :
(image.PixelFormat == PixelFormat.Format24bppRgb) ? 3 : 4;
if (pixelSize != 4) throw new InvalidImagePropertiesException();
int startX = rect.Left;
int startY = rect.Top;
int stopX = startX + rect.Width;
int stopY = startY + rect.Height;
int stride = image.Stride;
int offset = stride - rect.Width * pixelSize;
int numberOfPixels = (stopX - startX) * (stopY - startY);
// color image
byte* ptr = (byte*)image.ImageData.ToPointer();
// allign pointer to the first pixel to process
ptr += (startY * stride + startX * pixelSize);
double width = Width;
double inner = InnerAlpha;
double outer = OuterAlpha;
double diff = OuterAlpha - InnerAlpha;
const short a = RGB.A;
int w = (int)Math.Round(width);
for (int y = startY; y < stopY; y++) {
int ydist = Math.Max(0, Math.Max(startY + w - y, y - (stopY - 1 - w)));
for (int x = startX; x < stopX; x++, ptr += pixelSize) {
int xdist = Math.Max(0, Math.Max(startX + w - x, x - (stopX - 1 - w)));
double dist = xdist > 0 && ydist > 0 ? Math.Round(Math.Sqrt(xdist * xdist + ydist * ydist)): Math.Max(xdist,ydist);
if (dist <= 0 || w == 0) {
ptr[a] = (byte)Math.Round((double)ptr[a] * inner);
} else if (dist > w){
ptr[a] = (byte)Math.Round((double)ptr[a] * outer);
} else {
double t = dist / width;
//t = Math.Sin(Math.PI * t / 2);
t = 3 * t * t - 2 * t * t * t;
//t = 6 * Math.Pow(t, 5) - 15 * Math.Pow(t, 4) + 10 * Math.Pow(t, 3);
ptr[a] = (byte)Math.Round((double)ptr[a] * (inner + diff * t));
}
}
ptr += offset;
}
}
public static int AvgColor(System.Drawing.Image img, int forceZeroBelow)
{
long total = 0;
AForge.Imaging.UnmanagedImage umimg = AForge.Imaging.UnmanagedImage.FromManagedImage(new Bitmap(img));
for (int y = 0; y < umimg.Height; y++)
{
for (int x = 0; x < umimg.Width; x++)
{
Color c = umimg.GetPixel(x, y);
total += forceZeroBelow > ((c.R + c.G + c.B) / 3) ? 0 : 255;
}
}
return((int)((long)total / ((long)umimg.Width * (long)umimg.Height)));
}
/// <summary>
/// Process the filter on the specified image.
/// </summary>
///
/// <param name="sourceData">Source image data.</param>
/// <param name="destinationData">Destination image data.</param>
///
protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
{
int width = sourceData.Width;
int height = sourceData.Height;
PixelFormat format = sourceData.PixelFormat;
int pixelSize = System.Drawing.Bitmap.GetPixelFormatSize(format) / 8;
sourceData.Clone();
UnmanagedImage temp = UnmanagedImage.Create(width, height, format);
int lineWidth = width * pixelSize;
int srcStride = temp.Stride;
int srcOffset = srcStride - lineWidth;
int dstStride = destinationData.Stride;
int dstOffset = dstStride - lineWidth;
byte* srcStart = (byte*)temp.ImageData.ToPointer();
byte* dstStart = (byte*)destinationData.ImageData.ToPointer();
// first
Convolution c = new Convolution(masks[0]);
c.Apply(sourceData, destinationData);
// others
for (int i = 1; i < masks.Length; i++)
{
c.Kernel = masks[i];
c.Apply(sourceData, temp);
byte* src = srcStart;
byte* dst = dstStart;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < lineWidth; x++, src++, dst++)
{
if (*src > *dst)
*dst = *src;
}
dst += dstOffset;
src += srcOffset;
}
}
}
/// <summary>
/// Process the filter on the specified image.
/// </summary>
/// <param name="sourceData">Source image data.</param>
/// <param name="destinationData">Destination image data.</param>
protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
{
// get width and height
int width = sourceData.Width;
int height = sourceData.Height;
int pixelSize = System.Drawing.Image.GetPixelFormatSize(sourceData.PixelFormat) / 8;
int sum;
var algorithm = Algorithm;
if (pixelSize <= 4) {
int srcOffset = sourceData.Stride - width * pixelSize;
int dstOffset = destinationData.Stride - width;
// do the job
byte* src = (byte*)sourceData.ImageData.ToPointer();
byte* dst = (byte*)destinationData.ImageData.ToPointer();
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++, src += pixelSize, dst++) {
if (src[RGB.R] == 0) continue;
if (algorithm == 0) {
//held
*dst = (byte)Math.Max(src[RGB.R] - Math.Min(src[RGB.G], src[RGB.B]), 0);
} else if (algorithm == 1) {
//normalized r channel
sum = (src[RGB.R] + src[RGB.G] + src[RGB.B]);
*dst = (sum != 0) ? (byte)(255 * src[RGB.R] / sum) : (byte)0;
} else if (algorithm == 2) {
//Smolka
*dst = src[RGB.R] == 0 ? (byte)0 : (byte)Math.Min(255, Math.Max(0, ((float)(src[RGB.R] - Math.Max(src[RGB.G], src[RGB.B])) * 255.0F / (float)src[RGB.R])));
} else if (algorithm == 3) {
//GS
*dst = (byte)Math.Pow((Math.Max(0, (src[RGB.R] * 2 - src[RGB.G] - src[RGB.B]) / src[RGB.R])), 2);
} else if (algorithm == 4) {
//Gabautz
*dst = (byte)Math.Min(255, (src[RGB.R] * src[RGB.R] / (src[RGB.G] * src[RGB.G] + src[RGB.B] * src[RGB.B] + 14)));
}
}
src += srcOffset;
dst += dstOffset;
}
} else throw new NotImplementedException();
}
/// <summary>
/// Process the filter on the specified image.
/// </summary>
///
/// <param name="image">Source image data.</param>
///
protected unsafe override void ProcessFilter(UnmanagedImage image)
{
int width = image.Width;
int height = image.Height;
int pixelSize = System.Drawing.Image.GetPixelFormatSize(image.PixelFormat) / 8;
int stride = image.Stride;
int offset = stride - image.Width * pixelSize;
byte* src = (byte*)image.ImageData.ToPointer();
// Get maximum color image values
int maxR = 0, maxG = 0, maxB = 0;
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
if (src[RGB.R] > maxR) maxR = src[RGB.R];
if (src[RGB.G] > maxG) maxG = src[RGB.G];
if (src[RGB.B] > maxB) maxB = src[RGB.B];
}
}
double kr = maxR > 0 ? (255.0 / maxR) : 0;
double kg = maxG > 0 ? (255.0 / maxG) : 0;
double kb = maxB > 0 ? (255.0 / maxB) : 0;
src = (byte*)image.ImageData.ToPointer();
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++, src += pixelSize)
{
double r = kr * src[RGB.R];
double g = kg * src[RGB.G];
double b = kb * src[RGB.B];
src[RGB.R] = (byte)(r > 255 ? 255 : r);
src[RGB.G] = (byte)(g > 255 ? 255 : g);
src[RGB.B] = (byte)(b > 255 ? 255 : b);
}
src += offset;
}
}
public static double EvaluateLocallyWAbs(UnmanagedImage image)
{
byte[,] pixels = image.GetPixels();
int width = pixels.GetLength(0);
int height = pixels.GetLength(1);
double aggregate = 0;
for (int i = 0; i < width - 1; i++)
{
for (int j = 0; j < height; j++)
{
aggregate += Math.Abs((pixels[i, j] - pixels[i + 1, j]));
}
}
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height - 1; j++)
{
aggregate += Math.Abs((pixels[i, j] - pixels[i, j + 1]));
}
}
for (int i = 0; i < width - 1; i++)
{
for (int j = 0; j < height - 1; j++)
{
aggregate += Math.Abs((pixels[i, j] - pixels[i + 1, j + 1]));
}
}
for (int i = 0; i < width - 1; i++)
{
for (int j = 1; j < height; j++)
{
aggregate += Math.Abs((pixels[i, j] - pixels[i + 1, j - 1]));
}
}
return (1D / (width * height * Math.Pow(255, 2))) * aggregate;
}
public static int[] Histogram(System.Drawing.Image img)
{
int[] ans = new int[256];
AForge.Imaging.UnmanagedImage umimg = AForge.Imaging.UnmanagedImage.FromManagedImage(new Bitmap(img));
for (int y = 0; y < umimg.Height; y++)
{
for (int x = 0; x < umimg.Width; x++)
{
Color c = umimg.GetPixel(x, y);
ans[(c.R + c.G + c.B) / 3]++;
}
}
int max = ans.Max();
for (int i = 0; i < 256; i++)
{
ans[i] = (int)Math.Round((double)ans[i] / (double)max * 255D, 0);
}
return(ans);
}
public void Correct(UnmanagedImage img, double aFocalLinPixels, int limit, double scale, int offx, int offy)
{
if (Math.Abs(_aFocalLinPixels - aFocalLinPixels) > Double.Epsilon || limit != _mFeLimit ||
Math.Abs(scale - _mScaleFeSize) > Double.Epsilon || img.Width != _w || img.Height != _h ||
_offsetx != offx || _offsety != offy)
{
Init(aFocalLinPixels, limit, scale, img.Width, img.Height, offx, offy);
}
var correctImage = UnmanagedImage.Create(img.Width, img.Height, img.PixelFormat);
img.Copy(correctImage);
int c = 0;
for (int x = 0; x < _w; x++)
{
for (int y = 0; y < _h; y++)
{
img.SetPixel(x, y, correctImage.GetPixel(_map[c, 0], _map[c, 1]));
c++;
}
}
correctImage.Dispose();
}
// Gather statistics for the specified image
private unsafe void ProcessImage( UnmanagedImage image, byte* mask, int maskLineSize )
{
// get image dimension
int width = image.Width;
int height = image.Height;
pixels = pixelsWithoutBlack = 0;
int[] s = new int[256];
int[] l = new int[256];
int[] swb = new int[256];
int[] lwb = new int[256];
RGB rgb = new RGB( );
HSL hsl = new HSL( );
int pixelSize = ( image.PixelFormat == PixelFormat.Format24bppRgb ) ? 3 : 4;
int offset = image.Stride - width * pixelSize;
int maskOffset = maskLineSize - width;
// do the job
byte * p = (byte*) image.ImageData.ToPointer( );
if ( mask == null )
{
// for each line
for ( int y = 0; y < height; y++ )
{
// for each pixel
for ( int x = 0; x < width; x++, p += pixelSize )
{
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to HSL color space
AForge.Imaging.HSL.FromRGB( rgb, hsl );
s[(int) ( hsl.Saturation * 255 )]++;
l[(int) ( hsl.Luminance * 255 )]++;
pixels++;
if ( hsl.Luminance != 0.0 )
{
swb[(int) ( hsl.Saturation * 255 )]++;
lwb[(int) ( hsl.Luminance * 255 )]++;
pixelsWithoutBlack++;
}
}
p += offset;
}
}
else
{
// for each line
for ( int y = 0; y < height; y++ )
{
// for each pixel
for ( int x = 0; x < width; x++, p += pixelSize, mask++ )
{
if ( *mask == 0 )
continue;
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to HSL color space
AForge.Imaging.HSL.FromRGB( rgb, hsl );
s[(int) ( hsl.Saturation * 255 )]++;
l[(int) ( hsl.Luminance * 255 )]++;
pixels++;
if ( hsl.Luminance != 0.0 )
{
swb[(int) ( hsl.Saturation * 255 )]++;
lwb[(int) ( hsl.Luminance * 255 )]++;
pixelsWithoutBlack++;
}
}
p += offset;
mask += maskOffset;
}
}
// create histograms
saturation = new ContinuousHistogram( s, new Range( 0, 1 ) );
luminance = new ContinuousHistogram( l, new Range( 0, 1 ) );
saturationWithoutBlack = new ContinuousHistogram( swb, new Range( 0, 1 ) );
luminanceWithoutBlack = new ContinuousHistogram( lwb, new Range( 0, 1 ) );
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageStatisticsHSL"/> class.
/// </summary>
///
/// <param name="image">Image to gather statistics about.</param>
/// <param name="mask">Mask array which specifies areas to collect statistics for.</param>
///
/// <remarks><para>The mask array must be of the same size as the specified source image, where 0 values
/// correspond to areas which should be excluded from processing. So statistics is calculated only for pixels,
/// which have none zero corresponding value in the mask.
/// </para></remarks>
///
/// <exception cref="UnsupportedImageFormatException">Source pixel format is not supported.</exception>
/// <exception cref="ArgumentException">Mask must have the same size as the source image to get statistics for.</exception>
///
public ImageStatisticsHSL( UnmanagedImage image, byte[,] mask )
{
CheckSourceFormat( image.PixelFormat );
CheckMaskProperties( PixelFormat.Format8bppIndexed,
new Size( mask.GetLength( 1 ), mask.GetLength( 0 ) ), new Size( image.Width, image.Height ) );
unsafe
{
fixed ( byte* maskPtr = mask )
{
ProcessImage( image, maskPtr, mask.GetLength( 1 ) );
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageStatisticsHSL"/> class.
/// </summary>
///
/// <param name="image">Image to gather statistics about.</param>
/// <param name="mask">Mask image which specifies areas to collect statistics for.</param>
///
/// <remarks><para>The mask image must be a grayscale/binary (8bpp) image of the same size as the
/// specified source image, where black pixels (value 0) correspond to areas which should be excluded
/// from processing. So statistics is calculated only for pixels, which are none black in the mask image.
/// </para></remarks>
///
/// <exception cref="UnsupportedImageFormatException">Source pixel format is not supported.</exception>
/// <exception cref="ArgumentException">Mask image must be 8 bpp grayscale image.</exception>
/// <exception cref="ArgumentException">Mask must have the same size as the source image to get statistics for.</exception>
///
public ImageStatisticsHSL( UnmanagedImage image, UnmanagedImage mask )
{
CheckSourceFormat( image.PixelFormat );
CheckMaskProperties( mask.PixelFormat, new Size( mask.Width, mask.Height ), new Size( image.Width, image.Height ) );
unsafe
{
ProcessImage( image, (byte*) mask.ImageData.ToPointer( ), mask.Stride );
}
}
/// <summary>
/// Process images matching blocks between them.
/// </summary>
///
/// <param name="sourceImage">Source unmanaged image with reference points.</param>
/// <param name="coordinates">List of reference points to be matched.</param>
/// <param name="searchImage">Unmanaged image in which the reference points will be looked for.</param>
///
/// <returns>Returns list of found block matches. The list is sorted by similarity
/// of found matches in descending order.</returns>
///
/// <exception cref="InvalidImagePropertiesException">Source and search images sizes must match.</exception>
/// <exception cref="UnsupportedImageFormatException">Source images can be grayscale (8 bpp indexed) or color (24 bpp) image only.</exception>
/// <exception cref="ArgumentException">Source and search images must have same pixel format.</exception>
///
public List <BlockMatch> ProcessImage(UnmanagedImage sourceImage, List <IntPoint> coordinates, UnmanagedImage searchImage)
{
// source images sizes must match.
if ((sourceImage.Width != searchImage.Width) || (sourceImage.Height != searchImage.Height))
{
throw new InvalidImagePropertiesException("Source and search images sizes must match");
}
// sources images must be graysclae or color.
if ((sourceImage.PixelFormat != PixelFormat.Format8bppIndexed) && (sourceImage.PixelFormat != PixelFormat.Format24bppRgb))
{
throw new UnsupportedImageFormatException("Source images can be graysclae (8 bpp indexed) or color (24 bpp) image only");
}
// source images must have the same pixel format.
if (sourceImage.PixelFormat != searchImage.PixelFormat)
{
throw new InvalidImagePropertiesException("Source and search images must have same pixel format");
}
int pointsCount = coordinates.Count;
// found matches
List <BlockMatch> matchingsList = new List <BlockMatch>( );
// get source image size
int width = sourceImage.Width;
int height = sourceImage.Height;
int stride = sourceImage.Stride;
int pixelSize = (sourceImage.PixelFormat == PixelFormat.Format8bppIndexed) ? 1 : 3;
// pre-compute some values to avoid doing it in the loops.
int blockRadius = blockSize / 2;
int searchWindowSize = 2 * searchRadius;
int blockLineSize = blockSize * pixelSize;
int blockOffset = stride - (blockSize * pixelSize);
// maximum possible difference of blocks
int maxDiff = blockSize * blockSize * pixelSize * 255;
// integer similarity threshold
int threshold = (int)(similarityThreshold * maxDiff);
// do the job
unsafe
{
byte *ptrSource = (byte *)sourceImage.ImageData.ToPointer( );
byte *ptrSearch = (byte *)searchImage.ImageData.ToPointer( );
// for each point fed
for (int iPoint = 0; iPoint < pointsCount; iPoint++)
{
int refPointX = coordinates[iPoint].X;
int refPointY = coordinates[iPoint].Y;
// make sure the source block is inside the image
if (
((refPointX - blockRadius < 0) || (refPointX + blockRadius >= width)) ||
((refPointY - blockRadius < 0) || (refPointY + blockRadius >= height))
)
{
// skip point
continue;
}
// startting seatch point
int searchStartX = refPointX - blockRadius - searchRadius;
int searchStartY = refPointY - blockRadius - searchRadius;
// output match
int bestMatchX = refPointX;
int bestMatchY = refPointY;
// Exhaustive Search Algorithm - we test each location within the search window
int minError = int.MaxValue;
// for each search window's row
for (int searchWindowRow = 0; searchWindowRow < searchWindowSize; searchWindowRow++)
{
if ((searchStartY + searchWindowRow < 0) || (searchStartY + searchWindowRow + blockSize >= height))
{
// skip row
continue;
}
// for each search window's column
for (int searchWindowCol = 0; searchWindowCol < searchWindowSize; searchWindowCol++)
{
// tested block location in search image
int blockSearchX = searchStartX + searchWindowCol;
int blockSearchY = searchStartY + searchWindowRow;
if ((blockSearchX < 0) || (blockSearchY + blockSize >= width))
{
// skip column
continue;
}
// get memory location of the block's upper left point in source and search images
byte *ptrSourceBlock = ptrSource + ((refPointY - blockRadius) * stride) + ((refPointX - blockRadius) * pixelSize);
byte *ptrSearchBlock = ptrSearch + (blockSearchY * stride) + (blockSearchX * pixelSize);
// navigate this block, accumulating the error
int error = 0;
for (int blockRow = 0; blockRow < blockSize; blockRow++)
{
for (int blockCol = 0; blockCol < blockLineSize; blockCol++, ptrSourceBlock++, ptrSearchBlock++)
{
int diff = *ptrSourceBlock - *ptrSearchBlock;
if (diff > 0)
{
error += diff;
}
else
{
error -= diff;
}
}
// move to the next row
ptrSourceBlock += blockOffset;
ptrSearchBlock += blockOffset;
}
// check if the sum of error is mimimal
if (error < minError)
{
minError = error;
// keep best match so far
bestMatchX = blockSearchX + blockRadius;
bestMatchY = blockSearchY + blockRadius;
}
}
}
// calculate blocks' similarity and compare it with threshold
int blockSimilarity = maxDiff - minError;
if (blockSimilarity >= threshold)
{
matchingsList.Add(new BlockMatch(
new IntPoint(refPointX, refPointY), new IntPoint(bestMatchX, bestMatchY),
(float)blockSimilarity / maxDiff));
}
}
}
// sort in descending order
matchingsList.Sort(new MatchingsSorter( ));
return(matchingsList);
}
public unsafe double GetSkewAngle(UnmanagedImage image, Rectangle rect)
{
if (image.PixelFormat != PixelFormat.Format8bppIndexed)
{
throw new UnsupportedImageFormatException("Unsupported pixel format of the source image.");
}
this.InitHoughMap();
int width = image.Width;
int height = image.Height;
int num3 = width / 2;
int num4 = height / 2;
rect.Intersect(new Rectangle(0, 0, width, height));
int num5 = -num3 + rect.Left;
int num6 = -num4 + rect.Top;
int num7 = (width - num3) - (width - rect.Right);
int num8 = ((height - num4) - (height - rect.Bottom)) - 1;
int num9 = image.Stride - rect.Width;
int num10 = (int)Math.Sqrt((double)((num3 * num3) + (num4 * num4)));
int num11 = num10 * 2;
this.houghMap = new short[this.houghHeight, num11];
byte *numPtr = (byte *)((image.ImageData.ToPointer() + (rect.Top * image.Stride)) + rect.Left);
byte *numPtr2 = numPtr + image.Stride;
for (int i = num6; i < num8; i++)
{
int num13 = num5;
while (num13 < num7)
{
if ((numPtr[0] < 0x80) && (numPtr2[0] >= 0x80))
{
for (int k = 0; k < this.houghHeight; k++)
{
int num15 = ((int)((this.cosMap[k] * num13) - (this.sinMap[k] * i))) + num10;
if ((num15 >= 0) && (num15 < num11))
{
short num1 = this.houghMap[k, num15];
num1[0] = (short)(num1[0] + 1);
}
}
}
num13++;
numPtr++;
numPtr2++;
}
numPtr += num9;
numPtr2 += num9;
}
this.maxMapIntensity = 0;
for (int j = 0; j < this.houghHeight; j++)
{
for (int m = 0; m < num11; m++)
{
if (this.houghMap[j, m] > this.maxMapIntensity)
{
this.maxMapIntensity = this.houghMap[j, m];
}
}
}
this.CollectLines((short)(width / 10));
HoughLine[] mostIntensiveLines = this.GetMostIntensiveLines(5);
double num18 = 0.0;
double num19 = 0.0;
foreach (HoughLine line in mostIntensiveLines)
{
if (line.RelativeIntensity > 0.5)
{
num18 += line.Theta * line.RelativeIntensity;
num19 += line.RelativeIntensity;
}
}
if (mostIntensiveLines.Length > 0)
{
num18 /= num19;
}
return(num18 - 90.0);
}
public double GetSkewAngle(UnmanagedImage image)
{
return(this.GetSkewAngle(image, new Rectangle(0, 0, image.Width, image.Height)));
}
private bool ApplyMotionDetector(UnmanagedImage lfu)
{
if (Alarm != null && lfu!=null)
{
_processFrameCount++;
if (_processFrameCount >= CW.Camobject.detector.processeveryframe || CW.Calibrating)
{
_processFrameCount = 0;
try
{
MotionLevel = _motionDetector.ProcessFrame(Filter != null ? Filter.Apply(lfu) : lfu);
}
catch(Exception ex)
{
throw new Exception("Error processing motion: "+ex.Message);
}
MotionLevel = MotionLevel * CW.Camobject.detector.gain;
if (MotionLevel >= _alarmLevel)
{
if (Math.Min(MotionLevel,0.99) <= _alarmLevelMax)
{
return true;
}
}
else
MotionDetected = false;
}
}
else
MotionDetected = false;
return false;
}
public unsafe ImageStatisticsYCbCr(UnmanagedImage image, UnmanagedImage mask)
{
CheckSourceFormat(image.PixelFormat);
CheckMaskProperties(mask.PixelFormat, new Size(mask.Width, mask.Height), new Size(image.Width, image.Height));
ProcessImage(image, (byte *)mask.ImageData.ToPointer(), mask.Stride);
}
public ImageStatisticsYCbCr(UnmanagedImage image)
{
CheckSourceFormat(image.PixelFormat);
ProcessImage(image, null, 0);
}
/// <summary>
/// Reset motion detector to initial state.
/// </summary>
///
/// <remarks><para>Resets internal state and variables of motion detection algorithm.
/// Usually this is required to be done before processing new video source, but
/// may be also done at any time to restart motion detection algorithm.</para>
/// </remarks>
///
public void Reset( )
{
lock ( sync )
{
if ( previousFrame != null )
{
previousFrame.Dispose( );
previousFrame = null;
}
if ( motionFrame != null )
{
motionFrame.Dispose( );
motionFrame = null;
}
if ( tempFrame != null )
{
tempFrame.Dispose( );
tempFrame = null;
}
}
}
/// <summary>
/// Process the filter on the specified image.
/// </summary>
///
/// <param name="sourceData">Source image data.</param>
/// <param name="destinationData">Destination image data.</param>
///
protected override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
{
convolution.Apply(sourceData, destinationData);
}
/// <summary>
/// Process image looking for matchings with specified template.
/// </summary>
///
/// <param name="image">Unmanaged source image to process.</param>
/// <param name="template">Unmanaged template image to search for.</param>
///
/// <returns>Returns array of found template matches. The array is sorted by similarity
/// of found matches in descending order.</returns>
///
/// <exception cref="UnsupportedImageFormatException">The source image has incorrect pixel format.</exception>
/// <exception cref="InvalidImagePropertiesException">Template image is bigger than source image.</exception>
///
public TemplateMatch[] ProcessImage( UnmanagedImage image, UnmanagedImage template )
{
return ProcessImage( image, template, new Rectangle( 0, 0, image.Width, image.Height ) );
}
/// <summary>
/// Gather vertical intensity statistics for specified image.
/// </summary>
///
/// <param name="image">Source image.</param>
///
private void ProcessImage(UnmanagedImage image)
{
var pixelFormat = image.PixelFormat;
// get image dimension
var width = image.Width;
var height = image.Height;
red = green = blue = gray = null;
// do the job
unsafe
{
// check pixel format
if (pixelFormat == PixelFormat.Format8bppIndexed)
{
// 8 bpp grayscale image
var p = (byte *)image.ImageData.ToPointer();
var offset = image.Stride - width;
// histogram array
var g = new int[height];
// for each pixel
for (var y = 0; y < height; y++)
{
var lineSum = 0;
// for each pixel
for (var x = 0; x < width; x++, p++)
{
lineSum += *p;
}
g[y] = lineSum;
p += offset;
}
// create historgram for gray level
gray = new Histogram(g);
}
else if (pixelFormat == PixelFormat.Format16bppGrayScale)
{
// 16 bpp grayscale image
var basePtr = (byte *)image.ImageData.ToPointer();
var stride = image.Stride;
// histogram array
var g = new int[height];
// for each pixel
for (var y = 0; y < height; y++)
{
var p = (ushort *)(basePtr + stride * y);
var lineSum = 0;
// for each pixel
for (var x = 0; x < width; x++, p++)
{
lineSum += *p;
}
g[y] = lineSum;
}
// create historgram for gray level
gray = new Histogram(g);
}
else if (
(pixelFormat == PixelFormat.Format24bppRgb) ||
(pixelFormat == PixelFormat.Format32bppRgb) ||
(pixelFormat == PixelFormat.Format32bppArgb))
{
// 24/32 bpp color image
var p = (byte *)image.ImageData.ToPointer();
var pixelSize = (pixelFormat == PixelFormat.Format24bppRgb) ? 3 : 4;
var offset = image.Stride - width * pixelSize;
// histogram arrays
var r = new int[height];
var g = new int[height];
var b = new int[height];
// for each line
for (var y = 0; y < height; y++)
{
var lineRSum = 0;
var lineGSum = 0;
var lineBSum = 0;
// for each pixel
for (var x = 0; x < width; x++, p += pixelSize)
{
lineRSum += p[RGB.R];
lineGSum += p[RGB.G];
lineBSum += p[RGB.B];
}
r[y] = lineRSum;
g[y] = lineGSum;
b[y] = lineBSum;
p += offset;
}
// create histograms
red = new Histogram(r);
green = new Histogram(g);
blue = new Histogram(b);
}
else if (
(pixelFormat == PixelFormat.Format48bppRgb) ||
(pixelFormat == PixelFormat.Format64bppArgb))
{
// 48/64 bpp color image
var basePtr = (byte *)image.ImageData.ToPointer();
var stride = image.Stride;
var pixelSize = (pixelFormat == PixelFormat.Format48bppRgb) ? 3 : 4;
// histogram arrays
var r = new int[height];
var g = new int[height];
var b = new int[height];
// for each line
for (var y = 0; y < height; y++)
{
var p = (ushort *)(basePtr + stride * y);
var lineRSum = 0;
var lineGSum = 0;
var lineBSum = 0;
// for each pixel
for (var x = 0; x < width; x++, p += pixelSize)
{
lineRSum += p[RGB.R];
lineGSum += p[RGB.G];
lineBSum += p[RGB.B];
}
r[y] = lineRSum;
g[y] = lineGSum;
b[y] = lineBSum;
}
// create histograms
red = new Histogram(r);
green = new Histogram(g);
blue = new Histogram(b);
}
}
}
/// <summary>
/// Process image looking for matchings with specified template.
/// </summary>
///
/// <param name="image">Unmanaged source image to process.</param>
/// <param name="template">Unmanaged template image to search for.</param>
/// <param name="searchZone">Rectangle in source image to search template for.</param>
///
/// <returns>Returns array of found template matches. The array is sorted by similarity
/// of found matches in descending order.</returns>
///
/// <exception cref="UnsupportedImageFormatException">The source image has incorrect pixel format.</exception>
/// <exception cref="InvalidImagePropertiesException">Template image is bigger than search zone.</exception>
///
public TemplateMatch[] ProcessImage( UnmanagedImage image, UnmanagedImage template, Rectangle searchZone )
{
// check image format
if (
( ( image.PixelFormat != PixelFormat.Format8bppIndexed ) &&
( image.PixelFormat != PixelFormat.Format24bppRgb ) ) ||
( image.PixelFormat != template.PixelFormat ) )
{
throw new UnsupportedImageFormatException( "Unsupported pixel format of the source or template image." );
}
// clip search zone
Rectangle zone = searchZone;
zone.Intersect( new Rectangle( 0, 0, image.Width, image.Height ) );
// search zone's starting point
int startX = zone.X;
int startY = zone.Y;
// get source and template image size
int sourceWidth = zone.Width;
int sourceHeight = zone.Height;
int templateWidth = template.Width;
int templateHeight = template.Height;
// check template's size
if ( ( templateWidth > sourceWidth ) || ( templateHeight > sourceHeight ) )
{
throw new InvalidImagePropertiesException( "Template's size should be smaller or equal to search zone." );
}
int pixelSize = ( image.PixelFormat == PixelFormat.Format8bppIndexed ) ? 1 : 3;
int sourceStride = image.Stride;
// similarity map. its size is increased by 4 from each side to increase
// performance of non-maximum suppresion
int mapWidth = sourceWidth - templateWidth + 1;
int mapHeight = sourceHeight - templateHeight + 1;
int[,] map = new int[mapHeight + 4, mapWidth + 4];
// maximum possible difference with template
int maxDiff = templateWidth * templateHeight * pixelSize * 255;
// integer similarity threshold
int threshold = (int) ( similarityThreshold * maxDiff );
// width of template in bytes
int templateWidthInBytes = templateWidth * pixelSize;
// do the job
unsafe
{
byte* baseSrc = (byte*) image.ImageData.ToPointer( );
byte* baseTpl = (byte*) template.ImageData.ToPointer( );
int sourceOffset = image.Stride - templateWidth * pixelSize;
int templateOffset = template.Stride - templateWidth * pixelSize;
// for each row of the source image
for ( int y = 0; y < mapHeight; y++ )
{
// for each pixel of the source image
for ( int x = 0; x < mapWidth; x++ )
{
byte* src = baseSrc + sourceStride * ( y + startY ) + pixelSize * ( x + startX );
byte* tpl = baseTpl;
// compare template with source image starting from current X,Y
int dif = 0;
// for each row of the template
for ( int i = 0; i < templateHeight; i++ )
{
// for each pixel of the template
for ( int j = 0; j < templateWidthInBytes; j++, src++, tpl++ )
{
int d = *src - *tpl;
if ( d > 0 )
{
dif += d;
}
else
{
dif -= d;
}
}
src += sourceOffset;
tpl += templateOffset;
}
// templates similarity
int sim = maxDiff - dif;
if ( sim >= threshold )
map[y + 2, x + 2] = sim;
}
}
}
// collect interesting points - only those points, which are local maximums
List<TemplateMatch> matchingsList = new List<TemplateMatch>( );
// for each row
for ( int y = 2, maxY = mapHeight + 2; y < maxY; y++ )
{
// for each pixel
for ( int x = 2, maxX = mapWidth + 2; x < maxX; x++ )
{
int currentValue = map[y, x];
// for each windows' row
for ( int i = -2; ( currentValue != 0 ) && ( i <= 2 ); i++ )
{
// for each windows' pixel
for ( int j = -2; j <= 2; j++ )
{
if ( map[y + i, x + j] > currentValue )
{
currentValue = 0;
break;
}
}
}
// check if this point is really interesting
if ( currentValue != 0 )
{
matchingsList.Add( new TemplateMatch(
new Rectangle( x - 2 + startX, y - 2 + startY, templateWidth, templateHeight ),
(float) currentValue / maxDiff ) );
}
}
}
// convert list to array
TemplateMatch[] matchings = new TemplateMatch[matchingsList.Count];
matchingsList.CopyTo( matchings );
// sort in descending order
Array.Sort( matchings, new MatchingsSorter( ) );
return matchings;
}
/// <summary>
/// Apply rectangle marker
/// </summary>
/// <param name="marker">Accord.Imaging.Filters.RectanglesMarker</param>
/// <param name="um">AForge.Imaging.UnmanagedImage</param>
/// <param name="rect">Rectangle</param>
public static void Set(this Accord.Imaging.Filters.RectanglesMarker marker, ref AForge.Imaging.UnmanagedImage um, Rectangle rect)
{
marker.Rectangles = new Rectangle[] { rect };
marker.ApplyInPlace(um);
}
private void VideoNewFrame(object sender, NewFrameEventArgs e)
{
var nf = NewFrame;
var f = e.Frame;
if (_requestedToStop || nf==null || f==null)
return;
if (_lastframeEvent > DateTime.MinValue)
{
if ((Helper.Now<_nextFrameTarget))
{
return;
}
CalculateFramerates();
}
_lastframeEvent = Helper.Now;
Bitmap bmOrig = null;
bool bMotion = false;
lock (_sync)
{
try
{
bmOrig = ResizeBmOrig(f);
if (RotateFlipType != RotateFlipType.RotateNoneFlipNone)
{
bmOrig.RotateFlip(RotateFlipType);
}
_width = bmOrig.Width;
_height = bmOrig.Height;
if (ZPoint == Point.Empty)
{
ZPoint = new Point(bmOrig.Width / 2, bmOrig.Height / 2);
}
if (CW.NeedMotionZones)
CW.NeedMotionZones = !SetMotionZones(CW.Camobject.detector.motionzones);
if (Mask != null)
{
ApplyMask(bmOrig);
}
if (CW.Camobject.alerts.active && Plugin != null && Alarm!=null)
{
bmOrig = RunPlugin(bmOrig);
}
var bmd = bmOrig.LockBits(new Rectangle(0, 0, bmOrig.Width, bmOrig.Height), ImageLockMode.ReadWrite, bmOrig.PixelFormat);
//this converts the image into a windows displayable image so do it regardless
using (var lfu = new UnmanagedImage(bmd))
{
if (_motionDetector != null)
{
bMotion = ApplyMotionDetector(lfu);
}
else
{
MotionDetected = false;
}
if (CW.Camobject.settings.FishEyeCorrect)
{
_feCorrect.Correct(lfu, CW.Camobject.settings.FishEyeFocalLengthPX,
CW.Camobject.settings.FishEyeLimit, CW.Camobject.settings.FishEyeScale, ZPoint.X,
ZPoint.Y);
}
if (ZFactor > 1)
{
var f1 = new ResizeNearestNeighbor(lfu.Width, lfu.Height);
var f2 = new Crop(ViewRectangle);
try
{
using (var imgTemp = f2.Apply(lfu))
{
f1.Apply(imgTemp, lfu);
}
}
catch (Exception ex)
{
ErrorHandler?.Invoke(ex.Message);
}
}
}
bmOrig.UnlockBits(bmd);
PiP(bmOrig);
AddTimestamp(bmOrig);
}
catch (UnsupportedImageFormatException ex)
{
CW.VideoSourceErrorState = true;
CW.VideoSourceErrorMessage = ex.Message;
bmOrig?.Dispose();
return;
}
catch (Exception ex)
{
bmOrig?.Dispose();
ErrorHandler?.Invoke(ex.Message);
return;
}
if (MotionDetector != null && !CW.Calibrating && MotionDetector.MotionProcessingAlgorithm is BlobCountingObjectsProcessing && !CW.PTZNavigate && CW.Camobject.settings.ptzautotrack)
{
try
{
ProcessAutoTracking();
}
catch (Exception ex)
{
ErrorHandler?.Invoke(ex.Message);
}
}
}
if (!_requestedToStop)
{
nf.Invoke(this, new NewFrameEventArgs(bmOrig));
}
if (bMotion)
{
TriggerDetect(this);
}
}
/// <summary>
/// Allocate new image in unmanaged memory.
/// </summary>
///
/// <param name="width">Image width.</param>
/// <param name="height">Image height.</param>
/// <param name="pixelFormat">Image pixel format.</param>
///
/// <returns>Return image allocated in unmanaged memory.</returns>
///
/// <remarks><para>Allocate new image with specified attributes in unmanaged memory.</para>
///
/// <para><note>The method supports only
/// <see cref="System.Drawing.Imaging.PixelFormat">Format8bppIndexed</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format16bppGrayScale</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format24bppRgb</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format32bppRgb</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format32bppArgb</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format32bppPArgb</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format48bppRgb</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format64bppArgb</see> and
/// <see cref="System.Drawing.Imaging.PixelFormat">Format64bppPArgb</see> pixel formats.
/// In the case if <see cref="System.Drawing.Imaging.PixelFormat">Format8bppIndexed</see>
/// format is specified, pallete is not not created for the image (supposed that it is
/// 8 bpp grayscale image).
/// </note></para>
/// </remarks>
///
/// <exception cref="UnsupportedImageFormatException">Unsupported pixel format was specified.</exception>
/// <exception cref="InvalidImagePropertiesException">Invalid image size was specified.</exception>
///
public static UnmanagedImage Create( int width, int height, PixelFormat pixelFormat )
{
int bytesPerPixel = 0 ;
// calculate bytes per pixel
switch ( pixelFormat )
{
case PixelFormat.Format8bppIndexed:
bytesPerPixel = 1;
break;
case PixelFormat.Format16bppGrayScale:
bytesPerPixel = 2;
break;
case PixelFormat.Format24bppRgb:
bytesPerPixel = 3;
break;
case PixelFormat.Format32bppRgb:
case PixelFormat.Format32bppArgb:
case PixelFormat.Format32bppPArgb:
bytesPerPixel = 4;
break;
case PixelFormat.Format48bppRgb:
bytesPerPixel = 6;
break;
case PixelFormat.Format64bppArgb:
case PixelFormat.Format64bppPArgb:
bytesPerPixel = 8;
break;
default:
throw new UnsupportedImageFormatException( "Can not create image with specified pixel format." );
}
// check image size
if ( ( width <= 0 ) || ( height <= 0 ) )
{
throw new InvalidImagePropertiesException( "Invalid image size specified." );
}
// calculate stride
int stride = width * bytesPerPixel;
if ( stride % 4 != 0 )
{
stride += ( 4 - ( stride % 4 ) );
}
// allocate memory for the image
IntPtr imageData = System.Runtime.InteropServices.Marshal.AllocHGlobal( stride * height );
AForge.SystemTools.SetUnmanagedMemory( imageData, 0, stride * height );
UnmanagedImage image = new UnmanagedImage( imageData, width, height, stride, pixelFormat );
image.mustBeDisposed = true;
return image;
}
/// <summary>
/// Process new video frame.
/// </summary>
///
/// <param name="videoFrame">Video frame to process (detect motion in).</param>
///
/// <remarks><para>Processes new frame from video source and detects motion in it.</para>
///
/// <para>Check <see cref="MotionLevel"/> property to get information about amount of motion
/// (changes) in the processed frame.</para>
/// </remarks>
///
public unsafe void ProcessFrame( UnmanagedImage videoFrame )
{
lock ( sync )
{
// check previous frame
if ( previousFrame == null )
{
// save image dimension
width = videoFrame.Width;
height = videoFrame.Height;
// alocate memory for previous and current frames
previousFrame = UnmanagedImage.Create( width, height, PixelFormat.Format8bppIndexed );
motionFrame = UnmanagedImage.Create( width, height, PixelFormat.Format8bppIndexed );
frameSize = motionFrame.Stride * height;
// temporary buffer
if ( suppressNoise )
{
tempFrame = UnmanagedImage.Create( width, height, PixelFormat.Format8bppIndexed );
}
// convert source frame to grayscale
Tools.ConvertToGrayscale( videoFrame, previousFrame );
return;
}
// check image dimension
if ( ( videoFrame.Width != width ) || ( videoFrame.Height != height ) )
return;
// convert current image to grayscale
Tools.ConvertToGrayscale( videoFrame, motionFrame );
// pointers to previous and current frames
byte* prevFrame = (byte*) previousFrame.ImageData.ToPointer( );
byte* currFrame = (byte*) motionFrame.ImageData.ToPointer( );
// difference value
int diff;
// 1 - get difference between frames
// 2 - threshold the difference
// 3 - copy current frame to previous frame
for ( int i = 0; i < frameSize; i++, prevFrame++, currFrame++ )
{
// difference
diff = (int) *currFrame - (int) *prevFrame;
// copy current frame to previous
*prevFrame = *currFrame;
// treshold
*currFrame = ( ( diff >= differenceThreshold ) || ( diff <= differenceThresholdNeg ) ) ? (byte) 255 : (byte) 0;
}
if ( suppressNoise )
{
// suppress noise and calculate motion amount
AForge.SystemTools.CopyUnmanagedMemory( tempFrame.ImageData, motionFrame.ImageData, frameSize );
erosionFilter.Apply( tempFrame, motionFrame );
}
// calculate amount of motion pixels
pixelsChanged = 0;
byte* motion = (byte*) motionFrame.ImageData.ToPointer( );
for ( int i = 0; i < frameSize; i++, motion++ )
{
pixelsChanged += ( *motion & 1 );
}
}
}
/// <summary>
/// Clone the unmanaged images.
/// </summary>
///
/// <returns>Returns clone of the unmanaged image.</returns>
///
/// <remarks><para>The method does complete cloning of the object.</para></remarks>
///
public UnmanagedImage Clone( )
{
// allocate memory for the image
IntPtr newImageData = System.Runtime.InteropServices.Marshal.AllocHGlobal( stride * height );
UnmanagedImage newImage = new UnmanagedImage( newImageData, width, height, stride, pixelFormat );
newImage.mustBeDisposed = true;
AForge.SystemTools.CopyUnmanagedMemory( newImageData, imageData, stride * height );
return newImage;
}
private void btnMassAnalysis_Click(object sender, RoutedEventArgs e)
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
for (int index = 0; index < 6; index++)
{
string folderSettingText = "";
switch (index)
{
case 0:
folderSettingText = "Batch 1\\All Top";
break;
case 1:
folderSettingText = "Batch 2\\All Top";
break;
case 2:
folderSettingText = "Batch 3\\All Top";
break;
case 3:
folderSettingText = "Batch 1\\All Bottom";
break;
case 4:
folderSettingText = "Batch 2\\All Bottom";
break;
case 5:
folderSettingText = "Batch 3\\All Bottom";
break;
default:
folderSettingText = "";
break;
}
string[] filename = { "" };
//string path = @"E:\Brian\Project 3 - English Muffin Onsite Data Gathering\SK Foods On-Site Scan\English Muffin\Batch 3\All Bottom";
string path = "C:\\Users\\kai23\\Projects\\ABI\\EnglishMuffinVision_AForge\\Images\\English Muffin\\" + folderSettingText;
string searchPattern = "æKatanaScoring_CameraImageGray1*";
try
{
filename = Directory.GetFiles(path, searchPattern, SearchOption.AllDirectories);
}
catch (UnauthorizedAccessException)
{
}
foreach (string f in filename)
{
if (f != null)
{
GrayScaleImage = AForge.Imaging.Image.FromFile(f);
int startPos = f.LastIndexOf("SK Foods On-Site Scan") + "SK Foods On-Site Scan".Length + 1;
int length = f.IndexOf("æ") - startPos - 1;
string sub = f.Substring(startPos, length);
lblFolder.Content = sub;
//AForge.Imaging.UnmanagedImage unmanagedImage1 = AForge.Imaging.UnmanagedImage.FromManagedImage(GrayScaleImage);
//Bitmap managedImage = unmanagedImage1.ToManagedImage();
//BitmapImage GrayImage_temp = ToBitmapImage(managedImage);
//imgGray.Source = GrayImage_temp;
//Stopwatch stopwatch = new Stopwatch();
//stopwatch.Start();
AForge.Imaging.UnmanagedImage unmanagedImage1 = AForge.Imaging.UnmanagedImage.FromManagedImage(GrayScaleImage);
AForge.Imaging.BlobCounter bc = new AForge.Imaging.BlobCounter
{
CoupledSizeFiltering = true,
FilterBlobs = true,
MinHeight = 30,
MinWidth = 30,
MaxHeight = 100,
MaxWidth = 100
};
bc.ProcessImage(GrayScaleImage);
lblBlobCount.Content = bc.ObjectsCount;
Bitmap indexMap = AForge.Imaging.Image.Clone(GrayScaleImage);
for (int x = 0; x < indexMap.Width; x++)
{
for (int y = 0; y < indexMap.Height; y++)
{
indexMap.SetPixel(x, y, System.Drawing.Color.Black);
}
}
System.Drawing.Rectangle[] rects = bc.GetObjectsRectangles();
// process blobs
BreadBlob[] breadBlob1 = new BreadBlob[bc.ObjectsCount];
int blobArrayIndex = 0;
int blobPt = Convert.ToInt16(txbBlobNum.Text);
int blobThreshold = Convert.ToInt16(txbBlobThreshold.Text);
if (blobPt >= bc.ObjectsCount)
{
blobPt = bc.ObjectsCount - 1;
}
StaticsCalculator MuffinStatistics = new StaticsCalculator();
Graphics g = Graphics.FromImage(indexMap);
foreach (System.Drawing.Rectangle rect in rects)
{
//initialize Object
breadBlob1[blobArrayIndex] = new BreadBlob();
breadBlob1[blobArrayIndex].TopDownThreshold = blobThreshold;
byte[,] blobArray = new byte[rect.Width, rect.Height];
for (int x = rect.Left; x < rect.Right; x++)
{
for (int y = rect.Top; y < rect.Bottom; y++)
{
System.Drawing.Color tempPixelColor = GrayScaleImage.GetPixel(x, y);
blobArray[x - rect.Left, y - rect.Top] = tempPixelColor.G;
}
}
breadBlob1[blobArrayIndex].PixelArray = blobArray;
breadBlob1[blobArrayIndex].X = rect.X;
breadBlob1[blobArrayIndex].Y = rect.Y;
MuffinStatistics.Add(breadBlob1[blobArrayIndex].Variance.QAverage);
if (blobArrayIndex == blobPt)
{
System.Drawing.Rectangle tempRect = rect;
tempRect.X -= 1;
tempRect.Y -= 1;
tempRect.Width += 2;
tempRect.Height += 2;
AForge.Imaging.Drawing.Rectangle(unmanagedImage1, tempRect, System.Drawing.Color.Yellow);
}
if (breadBlob1[blobArrayIndex].IsTop())
{
AForge.Imaging.Drawing.Rectangle(unmanagedImage1, rect, System.Drawing.Color.Green);
}
else
{
AForge.Imaging.Drawing.Rectangle(unmanagedImage1, rect, System.Drawing.Color.Red);
}
RectangleF rectf = new RectangleF(rect.X, rect.Y, rect.Width, rect.Height);
g.SmoothingMode = SmoothingMode.AntiAlias;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawString(Convert.ToString(blobArrayIndex), new Font("Arial", 5), System.Drawing.Brushes.White, rectf);
lblBlobHeight.Content = rect.Height;
lblBlobWidth.Content = rect.Width;
blobArrayIndex++;
}
BitmapImage indexMap_temp = ToBitmapImage(indexMap);
g.Flush();
// conver to managed image if it is required to display it at some point of time
Bitmap managedImage = unmanagedImage1.ToManagedImage();
// create filter
Add filter = new Add(indexMap);
// apply the filter
Bitmap resultImage = filter.Apply(managedImage);
BitmapImage GrayImage_temp = ToBitmapImage(resultImage);
imgGray.Source = GrayImage_temp;
lblLib.Content = "AForge";
lblVariance.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.All);
lblX.Content = breadBlob1[blobPt].X;
lblY.Content = breadBlob1[blobPt].Y;
lblQ1Variance.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q1);
lblQ2Variance.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q2);
lblQ3Variance.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q3);
lblQ4Variance.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q4);
lblQAverage.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.QAverage);
lblAllMuffinStat.Content = MuffinStatistics.StandardDeviation;
// System.IO.File.WriteAllLines(@"C:\Users\Public\TestFolder\Histogram.txt", GrayImage1Histogram_str);
// E:\Brian\Project 3 - English Muffin Onsite Data Gathering\Data Analysis
//System.IO.File.WriteAllLines(@"E:\Brian\Project 3 - English Muffin Onsite Data Gathering\Data Analysis\Histogram.txt", GrayImage1Histogram_str);
bool fileExist = File.Exists("C:\\Users\\kai23\\Projects\\ABI\\EnglishMuffinVision_AForge\\Data Analysis\\Data.csv");
using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\kai23\Projects\ABI\EnglishMuffinVision_AForge\Data Analysis\Data.csv", true))
{
if (!fileExist)
{
file.WriteLine("File Info," +
"Variance All," +
"Vari Q1:," +
"Vari Q2:," +
"Vari Q3:," +
"Vari Q4:," +
"Variance Average:," +
"S1," +
"S2," +
"S3," +
"S4," +
"S5," +
"S6," +
"S7," +
"S8," +
"S9," +
"Savg," +
"L1," +
"L2," +
"L3," +
"L4," +
"L5," +
"L6," +
"L7," +
"L8," +
"L9," +
"L10," +
"L11," +
"L12," +
"L13," +
"L14," +
"L15," +
"L16," +
"Lavg");
}
file.WriteLine(Convert.ToString(lblFolder.Content) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.All)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q1)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q2)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q3)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q4)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.QAverage)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S1)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S2)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S3)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S4)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S5)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S6)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S7)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S8)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S9)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Savg)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L1)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L2)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L3)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L4)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L5)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L6)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L7)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L8)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L9)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L10)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L11)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L12)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L13)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L14)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L15)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.L16)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Lavg)));
}
//lblFolder.Content = "";
}
}
}
stopwatch.Stop();
lblTime.Content = stopwatch.ElapsedMilliseconds;
}
private unsafe void ProcessImage(UnmanagedImage image, byte *mask, int maskLineSize)
{
int width = image.Width;
int height = image.Height;
pixels = (pixelsWithoutBlack = 0);
int[] array = new int[256];
int[] array2 = new int[256];
int[] array3 = new int[256];
int[] array4 = new int[256];
int[] array5 = new int[256];
int[] array6 = new int[256];
RGB rGB = new RGB();
YCbCr yCbCr = new YCbCr();
int num = (image.PixelFormat == PixelFormat.Format24bppRgb) ? 3 : 4;
int num2 = image.Stride - width * num;
int num3 = maskLineSize - width;
byte *ptr = (byte *)image.ImageData.ToPointer();
if (mask == null)
{
for (int i = 0; i < height; i++)
{
int num4 = 0;
while (num4 < width)
{
rGB.Red = ptr[2];
rGB.Green = ptr[1];
rGB.Blue = *ptr;
YCbCr.FromRGB(rGB, yCbCr);
array[(int)(yCbCr.Y * 255f)]++;
array2[(int)(((double)yCbCr.Cb + 0.5) * 255.0)]++;
array3[(int)(((double)yCbCr.Cr + 0.5) * 255.0)]++;
pixels++;
if ((double)yCbCr.Y != 0.0 || (double)yCbCr.Cb != 0.0 || (double)yCbCr.Cr != 0.0)
{
array4[(int)(yCbCr.Y * 255f)]++;
array5[(int)(((double)yCbCr.Cb + 0.5) * 255.0)]++;
array6[(int)(((double)yCbCr.Cr + 0.5) * 255.0)]++;
pixelsWithoutBlack++;
}
num4++;
ptr += num;
}
ptr += num2;
}
}
else
{
for (int j = 0; j < height; j++)
{
int num5 = 0;
while (num5 < width)
{
if (*mask != 0)
{
rGB.Red = ptr[2];
rGB.Green = ptr[1];
rGB.Blue = *ptr;
YCbCr.FromRGB(rGB, yCbCr);
array[(int)(yCbCr.Y * 255f)]++;
array2[(int)(((double)yCbCr.Cb + 0.5) * 255.0)]++;
array3[(int)(((double)yCbCr.Cr + 0.5) * 255.0)]++;
pixels++;
if ((double)yCbCr.Y != 0.0 || (double)yCbCr.Cb != 0.0 || (double)yCbCr.Cr != 0.0)
{
array4[(int)(yCbCr.Y * 255f)]++;
array5[(int)(((double)yCbCr.Cb + 0.5) * 255.0)]++;
array6[(int)(((double)yCbCr.Cr + 0.5) * 255.0)]++;
pixelsWithoutBlack++;
}
}
num5++;
ptr += num;
mask++;
}
ptr += num2;
mask += num3;
}
}
yHistogram = new ContinuousHistogram(array, new Range(0f, 1f));
cbHistogram = new ContinuousHistogram(array2, new Range(-0.5f, 0.5f));
crHistogram = new ContinuousHistogram(array3, new Range(-0.5f, 0.5f));
yHistogramWithoutBlack = new ContinuousHistogram(array4, new Range(0f, 1f));
cbHistogramWithoutBlack = new ContinuousHistogram(array5, new Range(-0.5f, 0.5f));
crHistogramWithoutBlack = new ContinuousHistogram(array6, new Range(-0.5f, 0.5f));
}
/// <summary>
/// Create unmanaged image from the specified managed image.
/// </summary>
///
/// <param name="imageData">Source locked image data.</param>
///
/// <returns>Returns new unmanaged image, which is a copy of source managed image.</returns>
///
/// <remarks><para>The method creates an exact copy of specified managed image, but allocated
/// in unmanaged memory. This means that managed image may be unlocked right after call to this
/// method.</para></remarks>
///
/// <exception cref="UnsupportedImageFormatException">Unsupported pixel format of source image.</exception>
///
public static UnmanagedImage FromManagedImage( BitmapData imageData )
{
PixelFormat pixelFormat = imageData.PixelFormat;
// check source pixel format
if (
( pixelFormat != PixelFormat.Format8bppIndexed ) &&
( pixelFormat != PixelFormat.Format16bppGrayScale ) &&
( pixelFormat != PixelFormat.Format24bppRgb ) &&
( pixelFormat != PixelFormat.Format32bppRgb ) &&
( pixelFormat != PixelFormat.Format32bppArgb ) &&
( pixelFormat != PixelFormat.Format32bppPArgb ) &&
( pixelFormat != PixelFormat.Format48bppRgb ) &&
( pixelFormat != PixelFormat.Format64bppArgb ) &&
( pixelFormat != PixelFormat.Format64bppPArgb ) )
{
throw new UnsupportedImageFormatException( "Unsupported pixel format of the source image." );
}
// allocate memory for the image
IntPtr dstImageData = System.Runtime.InteropServices.Marshal.AllocHGlobal( imageData.Stride * imageData.Height );
UnmanagedImage image = new UnmanagedImage( dstImageData, imageData.Width, imageData.Height, imageData.Stride, pixelFormat );
AForge.SystemTools.CopyUnmanagedMemory( dstImageData, imageData.Scan0, imageData.Stride * imageData.Height );
image.mustBeDisposed = true;
return image;
}
private void BtnCalculate_Click(object sender, RoutedEventArgs e)
{
if (imageLoaded)
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
AForge.Imaging.UnmanagedImage unmanagedImage1 = AForge.Imaging.UnmanagedImage.FromManagedImage(GrayScaleImage);
AForge.Imaging.BlobCounter bc = new AForge.Imaging.BlobCounter
{
CoupledSizeFiltering = true,
FilterBlobs = true,
MinHeight = 30,
MinWidth = 30,
MaxHeight = 100,
MaxWidth = 100
};
bc.ProcessImage(GrayScaleImage);
lblBlobCount.Content = bc.ObjectsCount;
Bitmap indexMap = AForge.Imaging.Image.Clone(GrayScaleImage);
for (int x = 0; x < indexMap.Width; x++)
{
for (int y = 0; y < indexMap.Height; y++)
{
indexMap.SetPixel(x, y, System.Drawing.Color.Black);
}
}
System.Drawing.Rectangle[] rects = bc.GetObjectsRectangles();
// process blobs
BreadBlob[] breadBlob1 = new BreadBlob[bc.ObjectsCount];
int blobArrayIndex = 0;
int blobPt = Convert.ToInt16(txbBlobNum.Text);
int blobThreshold = Convert.ToInt16(txbBlobThreshold.Text);
if (blobPt >= bc.ObjectsCount)
{
blobPt = bc.ObjectsCount - 1;
}
StaticsCalculator MuffinStatistics = new StaticsCalculator();
Graphics g = Graphics.FromImage(indexMap);
foreach (System.Drawing.Rectangle rect in rects)
{
//initialize Object
breadBlob1[blobArrayIndex] = new BreadBlob();
breadBlob1[blobArrayIndex].TopDownThreshold = blobThreshold;
byte[,] blobArray = new byte[rect.Width, rect.Height];
for (int x = rect.Left; x < rect.Right; x++)
{
for (int y = rect.Top; y < rect.Bottom; y++)
{
System.Drawing.Color tempPixelColor = GrayScaleImage.GetPixel(x, y);
blobArray[x - rect.Left, y - rect.Top] = tempPixelColor.G;
}
}
breadBlob1[blobArrayIndex].PixelArray = blobArray;
breadBlob1[blobArrayIndex].X = rect.X;
breadBlob1[blobArrayIndex].Y = rect.Y;
MuffinStatistics.Add(breadBlob1[blobArrayIndex].Variance.QAverage);
if (blobArrayIndex == blobPt)
{
System.Drawing.Rectangle tempRect = rect;
tempRect.X -= 1;
tempRect.Y -= 1;
tempRect.Width += 2;
tempRect.Height += 2;
AForge.Imaging.Drawing.Rectangle(unmanagedImage1, tempRect, System.Drawing.Color.Yellow);
}
if (breadBlob1[blobArrayIndex].IsTop())
{
AForge.Imaging.Drawing.Rectangle(unmanagedImage1, rect, System.Drawing.Color.Green);
}
else
{
AForge.Imaging.Drawing.Rectangle(unmanagedImage1, rect, System.Drawing.Color.Red);
}
RectangleF rectf = new RectangleF(rect.X, rect.Y, rect.Width, rect.Height);
g.SmoothingMode = SmoothingMode.AntiAlias;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawString(Convert.ToString(blobArrayIndex), new Font("Arial", 5), System.Drawing.Brushes.White, rectf);
lblBlobHeight.Content = rect.Height;
lblBlobWidth.Content = rect.Width;
blobArrayIndex++;
}
BitmapImage indexMap_temp = ToBitmapImage(indexMap);
g.Flush();
// conver to managed image if it is required to display it at some point of time
Bitmap managedImage = unmanagedImage1.ToManagedImage();
// create filter
Add filter = new Add(indexMap);
// apply the filter
Bitmap resultImage = filter.Apply(managedImage);
BitmapImage GrayImage_temp = ToBitmapImage(resultImage);
imgGray.Source = GrayImage_temp;
stopwatch.Stop();
lblTime.Content = stopwatch.ElapsedMilliseconds;
lbl9var_1.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S1);
lbl9var_2.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S2);
lbl9var_3.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S3);
lbl9var_4.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S4);
lbl9var_5.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S5);
lbl9var_6.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S6);
lbl9var_7.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S7);
lbl9var_8.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S8);
lbl9var_9.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.S9);
lbl9var_avg.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Savg);
lblLib.Content = "AForge";
lblVariance.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.All);
lblX.Content = breadBlob1[blobPt].X;
lblY.Content = breadBlob1[blobPt].Y;
lblQ1Variance.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q1);
lblQ2Variance.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q2);
lblQ3Variance.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q3);
lblQ4Variance.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q4);
lblQAverage.Content = breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.QAverage);
lblAllMuffinStat.Content = MuffinStatistics.StandardDeviation;
// System.IO.File.WriteAllLines(@"C:\Users\Public\TestFolder\Histogram.txt", GrayImage1Histogram_str);
// E:\Brian\Project 3 - English Muffin Onsite Data Gathering\Data Analysis
//System.IO.File.WriteAllLines(@"E:\Brian\Project 3 - English Muffin Onsite Data Gathering\Data Analysis\Histogram.txt", GrayImage1Histogram_str);
bool fileExist = File.Exists("C:\\Users\\kai23\\Projects\\ABI\\EnglishMuffinVision_AForge\\Data Analysis\\Data.csv");
using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\kai23\Projects\ABI\EnglishMuffinVision_AForge\Data AnalysisData.csv", true))
{
if (!fileExist)
{
file.WriteLine("File Info" +
"Variance All," +
"Vari Q1:," +
"Vari Q2:," +
"Vari Q3:," +
"Vari Q4:," +
"Variance Average:");
}
file.WriteLine(Convert.ToString(lblFolder.Content) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.All)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q1)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q2)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q3)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.Q4)) + "," +
Convert.ToString(breadBlob1[blobPt].GetVariance(BreadBlob.VarianceType.QAverage)));
}
}
}
/// <summary>
/// Copy unmanaged image.
/// </summary>
///
/// <param name="destImage">Destination image to copy this image to.</param>
///
/// <remarks><para>The method copies current unmanaged image to the specified image.
/// Size and pixel format of the destination image must be exactly the same.</para></remarks>
///
/// <exception cref="InvalidImagePropertiesException">Destination image has different size or pixel format.</exception>
///
public void Copy( UnmanagedImage destImage )
{
if (
( width != destImage.width ) || ( height != destImage.height ) ||
( pixelFormat != destImage.pixelFormat ) )
{
throw new InvalidImagePropertiesException( "Destination image has different size or pixel format." );
}
if ( stride == destImage.stride )
{
// copy entire image
AForge.SystemTools.CopyUnmanagedMemory( destImage.imageData, imageData, stride * height );
}
else
{
unsafe
{
int dstStride = destImage.stride;
int copyLength = ( stride < dstStride ) ? stride : dstStride;
byte* src = (byte*) imageData.ToPointer( );
byte* dst = (byte*) destImage.imageData.ToPointer( );
// copy line by line
for ( int i = 0; i < height; i++ )
{
AForge.SystemTools.CopyUnmanagedMemory( dst, src, copyLength );
dst += dstStride;
src += stride;
}
}
}
}
/// <summary>
/// Allocate new image in unmanaged memory.
/// </summary>
///
/// <param name="width">Image width.</param>
/// <param name="height">Image height.</param>
/// <param name="pixelFormat">Image pixel format.</param>
///
/// <returns>Return image allocated in unmanaged memory.</returns>
///
/// <remarks><para>Allocate new image with specified attributes in unmanaged memory.</para>
///
/// <para><note>The method supports only
/// <see cref="System.Drawing.Imaging.PixelFormat">Format8bppIndexed</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format16bppGrayScale</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format24bppRgb</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format32bppRgb</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format32bppArgb</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format32bppPArgb</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format48bppRgb</see>,
/// <see cref="System.Drawing.Imaging.PixelFormat">Format64bppArgb</see> and
/// <see cref="System.Drawing.Imaging.PixelFormat">Format64bppPArgb</see> pixel formats.
/// In the case if <see cref="System.Drawing.Imaging.PixelFormat">Format8bppIndexed</see>
/// format is specified, pallete is not not created for the image (supposed that it is
/// 8 bpp grayscale image).
/// </note></para>
/// </remarks>
///
/// <exception cref="UnsupportedImageFormatException">Unsupported pixel format was specified.</exception>
/// <exception cref="InvalidImagePropertiesException">Invalid image size was specified.</exception>
///
public static UnmanagedImage Create(int width, int height, PixelFormat pixelFormat)
{
int bytesPerPixel = 0;
// calculate bytes per pixel
switch (pixelFormat)
{
case PixelFormat.Format8bppIndexed:
bytesPerPixel = 1;
break;
case PixelFormat.Format16bppGrayScale:
bytesPerPixel = 2;
break;
case PixelFormat.Format24bppRgb:
bytesPerPixel = 3;
break;
case PixelFormat.Format32bppRgb:
case PixelFormat.Format32bppArgb:
case PixelFormat.Format32bppPArgb:
bytesPerPixel = 4;
break;
case PixelFormat.Format48bppRgb:
bytesPerPixel = 6;
break;
case PixelFormat.Format64bppArgb:
case PixelFormat.Format64bppPArgb:
bytesPerPixel = 8;
break;
default:
throw new UnsupportedImageFormatException("Can not create image with specified pixel format.");
}
// check image size
if ((width <= 0) || (height <= 0))
{
throw new InvalidImagePropertiesException("Invalid image size specified.");
}
// calculate stride
int stride = width * bytesPerPixel;
if (stride % 4 != 0)
{
stride += (4 - (stride % 4));
}
// allocate memory for the image
IntPtr imageData = System.Runtime.InteropServices.Marshal.AllocHGlobal(stride * height);
AForge.SystemTools.SetUnmanagedMemory(imageData, 0, stride * height);
UnmanagedImage image = new UnmanagedImage(imageData, width, height, stride, pixelFormat);
image.mustBeDisposed = true;
return(image);
}