public FastBitmap GetImageWithDisplacement(FastBitmap currFrame, FastBitmap nextFrame, List<Point> edgePoints)
{
_nBytesPerPixel = currFrame.CCount;
currFrame.LockBits();
nextFrame.LockBits();
byte[] currRgbValues = currFrame.Pixels;
byte[] nextRgbValues = nextFrame.Pixels;
Dictionary<Point, Point> displacements = new Dictionary<Point, Point>();
foreach (Point edgePoint in edgePoints)
{
int edgePointPos;
List<Color> pointVicinity = GetPointVicinity(edgePoint, currRgbValues, currFrame.Width, currFrame.Height, currFrame.Stride, out edgePointPos);
_brief = new BRIEF((POINT_WINDOW_SIDE + 1) * (POINT_WINDOW_SIDE + 1),edgePointPos);
string vicinityDescriptor = _brief.GetImageDescriptor(pointVicinity);
if (pointVicinity[edgePointPos] != Color.Black)
{
Point nextFramePoint = FindPointDiscplacement(edgePoint, nextRgbValues, nextFrame.Width, nextFrame.Height, vicinityDescriptor, nextFrame.Stride, pointVicinity[edgePointPos]);
displacements.Add(edgePoint, nextFramePoint);
}
else
displacements.Add(edgePoint,edgePoint);
}
currFrame.UnlockBits();
nextFrame.UnlockBits();
DrawDisplacement(currFrame, displacements);
return currFrame;
}
public void Initialize(FastBitmap img)
{
_r = new Random();
img.LockBits();
_height = img.Height;
_width = img.Width;
int capacity = _width * _height;
_pixels = new Pixel[capacity];
int n = 0;
for (int j = 0; j < _height; j++)
{
for (int i = 0 ; i < _width; i++)
{
List<byte> samples = new List<byte>();
samples.Add(img[i,j]);
byte[] randomPixels = GetRandomGreyPixels(img, i, j);
samples.AddRange(randomPixels);
_pixels[n] = new Pixel(samples.ToArray());
n++;
}
}
img.UnlockBits();
}
public ReturnImage GetImageWithDisplacement(FastBitmap currFrame, FastBitmap nextFrame, List<Point> edgePoints)
{
_nBytesPerPixel = currFrame.CCount;
currFrame.LockBits();
nextFrame.LockBits();
byte[] currRgbValues = currFrame.Pixels;
byte[] nextRgbValues = nextFrame.Pixels;
ConcurrentDictionary<Point, Point> displacements = new ConcurrentDictionary<Point, Point>();
Parallel.ForEach(edgePoints, (edgePoint) =>
{
int edgePointPos;
List<Color> pointVicinity = GetPointVicinity(edgePoint, currRgbValues, currFrame.Width, currFrame.Height, currFrame.Stride, out edgePointPos);
_brief = new BRIEF((POINT_WINDOW_SIDE + 1) * (POINT_WINDOW_SIDE + 1), edgePointPos);
string vicinityDescriptor = _brief.GetImageDescriptor(pointVicinity);
if (pointVicinity[edgePointPos] != Color.Black)
{
Point nextFramePoint = FindPointDiscplacement(edgePoint, nextRgbValues, nextFrame.Width, nextFrame.Height, vicinityDescriptor, nextFrame.Stride, pointVicinity[edgePointPos]);
displacements.TryAdd(edgePoint, nextFramePoint);
}
else
displacements.TryAdd(edgePoint, edgePoint);
});
currFrame.UnlockBits();
nextFrame.UnlockBits();
Frame frame = GetFrameByChanell(currFrame, displacements);
//frames.Add();
ReturnImage image = new ReturnImage(frame, currFrame);
return image;
}
public Bitmap SubtracteBackground(FastBitmap source, double range, FastBitmap background)
{
source.LockBits();
var arr = Subtraction(source, range, background);
source.UnlockBits();
arr = Closing(arr);
return ConvertIntsToBitmap(arr, source);
}
private FastBitmap ApplyMask(byte[] mask, FastBitmap img)
{
Bitmap result = new Bitmap(img.Width, img.Height);
FastBitmap fb = new FastBitmap(result);
fb.LockBits();
img.LockBits();
int n = 0;
for (int j = 0; j < img.Height; j++)
{
for (int i = 0; i < img.Width; i++)
{
if (mask[n] > VibeModel.BackgroundByte)
{
fb.SetPixel(i, j, img.GetPixel(i, j));
}
n++;
}
}
img.UnlockBits();
fb.UnlockBits();
return fb;
}