public static void AForgeImToImage()
{
var bmp = new Bitmap(640, 480, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
UnmanagedImage uIm = UnmanagedImage.FromManagedImage(bmp);
var img = uIm.AsImage();
Console.WriteLine("UnmanagedImage to Image<,> automatically: Bitmap pixel format {0} is transformed into: {1}.", uIm.PixelFormat, img.ColorInfo);
var img2 = uIm.ToImage <Bgr, byte>();
Console.WriteLine("UnmanagedImage to Image<,> forced: Bitmap pixel format {0} is transformed into: {1}.", uIm.PixelFormat, img.ColorInfo);
}
static void Main(string[] args)
{
var img = new Bgr <byte> [480, 640];
//***********************************************************************************************************************************************************************
Console.ForegroundColor = ConsoleColor.Red; Console.WriteLine("********* TColor[,] <=> Image<> conversions (built-in) ****************"); Console.ResetColor();
//to Image<>
Image <Bgr <byte> > lockedImg = img.Lock();
//from Image<>
var arr = lockedImg.Clone();
//***********************************************************************************************************************************************************************
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Red; Console.WriteLine("********* Image<,> <=> OpenCV conversions (built-in) ****************"); Console.ResetColor();
//to IplImage
IplImage iplImage;
using (var uImg = img.Lock())
{
iplImage = uImg.AsOpenCvImage(); //data is shared
}
//from IplImage
var imgFromIpl = iplImage.AsImage();
//***********************************************************************************************************************************************************************
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Red; Console.WriteLine("*********** Image<,> <=> Bitmap conversions (BitmapInterop) ****************"); Console.ResetColor();
//to Bitmap
var bmp = img.ToBitmap();
//from Bitmap
var imgFromBmp = bmp.ToArray();
//***********************************************************************************************************************************************************************
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Red; Console.WriteLine("****** TColor[,] <=> AForge UnmanagedImage conversions (AForgeInterop) *******"); Console.ResetColor();
//to AForge image
using (var uImg = img.Lock())
{
UnmanagedImage uIm = uImg.AsAForgeImage(); //data is shared
}
//from AForge image
UnmanagedImage aforgeIm = UnmanagedImage.Create(640, 480, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
var imgFromAForge = aforgeIm.AsImage(); //TODO: extensions directly to array
}
unsafe static void Main()
{
Test test = new Test();
test.TestRunningWeightedVariance();
return;
var resourceDir = Path.Combine(Directory.GetParent(Directory.GetCurrentDirectory()).FullName, "Resources");
var imgColor = Bitmap.FromFile(Path.Combine(resourceDir, "testColorBig.jpg")).ToImage <Bgr, byte>();
imgColor = imgColor.CorrectContrast(105);
/*var bmp1 = (System.Drawing.Bitmap)System.Drawing.Bitmap.FromFile("nature-spring.jpg");
* var image1 = bmp1.ToImage<Gray, float>();
*
* var res1 = ResizeNearsetNeighbur.Resize(image1, new Size(640, 480));
* ImageBox.Show("Interpolated image", res1.ToBitmap());
*
* var res = new Image<Bgr, float>(320, 200);
* image1.GetRectSubPix(new PointF(1.9f, 1.9f), res);
* ImageBox.Show("Interpolated image", res.ToBitmap());*/
test.TestLKFlow();
return; //uncomment if you want execute functions below
var bmp = (System.Drawing.Bitmap)System.Drawing.Bitmap.FromFile("nature-spring.jpg");
var image = bmp.ToImage <Bgr, byte>();
UnmanagedImage uIm = UnmanagedImage.FromManagedImage(bmp);
/********************** Bitmap <-> Image<,> *************************/
//from Bitmap...
IImage bmpImg1 = bmp.ToImage(); //generic image (dest format depends on bmp pixel format) (this case: <Color3, byte>)
Image <Bgr, byte> bmpImg2 = bmp.ToImage <Bgr, byte>(); //in this case additional cast is performed (<Color3, byte> => <Bgr, byte>) (no data convert)
//to Bitmap...
Bitmap bmpFromImg = bmpImg2.ToBitmap(copyAlways: false /*do not copy if you do not have to*/); //<Bgr, byte> can be casted to <Color3, byte> therefore data is shared between Bitmap and bmPimg2
/********************** UnmanagedImage <-> Image<,> *************************/
//from UnmanagedImage...
var im1FromUIm = uIm.AsImage(); //generic image (dest format depends on bmp pixel format)
var im2FromUIm = uIm.ToImage <Bgr, byte>(); //in this case additional cast is performed (<Color3, byte> => <Bgr, byte>) (no data convert)
//to UnmanagedImage...
var uIm2 = im1FromUIm.ToAForgeImage(copyAlways: false, failIfCannotCast: false);
/******************* some AForge filter recreation... ***********************/
/********************** Array <-> Image<,> (also eliminates need for Matrix, UnmanagedImage converters) ********************************/
int[,] arr = new int[480, 640];
//from Array...
var image1FromArray = arr.ToImage(); //supported for all 2D/3D arrays
var castedImageFromArray = arr.AsImage(); //supported only on 2D arrays (data is shared)
//to Array ...
var arrFromIm = image1FromArray.ToArray(); //output is 2D or 3D array (see function overloads)
/**************** channel rotate *******************/
//Image<,> => flexible
var channels = image.SplitChannels();
var dest = new Image <Bgr, byte>(new Image <Gray, byte>[] { channels[1], channels[0], channels[2] });
//AForge
AForge.Imaging.Filters.RotateChannels rc = new AForge.Imaging.Filters.RotateChannels();
rc.Apply(uIm);
/**************** channel extract *******************/
//Image<,> => simple
var ch = image[0];
//AForge
AForge.Imaging.Filters.ExtractChannel ec = new AForge.Imaging.Filters.ExtractChannel(0);
ec.Apply(uIm);
/**************** Max (see Min also) *******************/
//Image<,>
image.Max(image, inPlace: true);
//AForge
AForge.Imaging.Filters.Merge m = new AForge.Imaging.Filters.Merge(uIm);
m.Apply(uIm);
/**************** Sobel *******************/
var bmpSquareGray = (System.Drawing.Bitmap)System.Drawing.Bitmap.FromFile("square.bmp");
var grayIm = bmpSquareGray.ToImage <Gray, float>(); //currently there are no overloads for magnitude for <byte>, will be fixed later
//Image<,> => flexible
var sobelX = grayIm.Sobel(1, 0, 3);
var sobelY = grayIm.Sobel(0, 1, 3);
var mag = sobelX.Magnitude(sobelY); //should use Threshold for values > 255 (not implemented yet)
//mag.ToBitmap().Save("bla.bmp"); //img.Save(..) is available for <IColor3, byte> and <Gray, byte> (Bitmap compatible formats) should change ?
//var mag = sobelX.Abs().Add(sobelY.Abs()).Scale(0, 255).Convert<Gray, byte>(); //should work later (it is not implemented)
//AForge
AForge.Imaging.Filters.SobelEdgeDetector sobel = new AForge.Imaging.Filters.SobelEdgeDetector();
var destSobel = sobel.Apply(grayIm.ToAForgeImage());
//destSobel.ToManagedImage().Save("sobelAForge.bmp");
return;
}