/// <summary>
/// Copies values from source to destination image using mask. Destination values where mask == 0 are not erased!.
/// </summary>
/// <param name="source">Image.</param>
/// <param name="destination">Destination image</param>
/// <param name="mask">Mask. Color locations that need to be copied must be set to !=0 in mask.</param>
public static void CopyTo <TColor>(this TColor[,] source, TColor[,] destination, Gray <byte>[,] mask)
where TColor : struct
{
if (source.Size() != mask.Size() || source.Size() != destination.Size())
{
throw new Exception("Image, mask, destImg size must be the same!");
}
ParallelLauncher.Launch((thread) =>
{
if (mask[thread.Y, thread.X] != 0)
{
destination[thread.Y, thread.X] = source[thread.Y, thread.X];
}
},
source.Width(), source.Height());
}
private static Gray <float>[,] convolve(Gray <float>[,] image, IList <float[, ]> kernels, ConvolutionBorder options)
{
int biggestKernelWidth, biggestKernelHeight;
getTheBiggestSize(kernels, out biggestKernelWidth, out biggestKernelHeight);
int fillX, fillY;
var paddedIm = prepareImage(image, biggestKernelWidth, biggestKernelHeight, options, out fillX, out fillY);
var convolvedIm = paddedIm;
foreach (var kernel in kernels)
{
var preparedKernel = prepareKernel(kernel, convolvedIm.Size());
convolvedIm = convolvedIm.MulComplex(preparedKernel, inPlace: false);
}
return(getConvolutionResult(convolvedIm, fillX, fillY, image.Size()));
}
/// <summary>
/// Creates linear response maps.
/// </summary>
/// <param name="orientationDegImg">Orientation image (in degrees).</param>
/// <param name="neigborhood">Spread neighborhood size.</param>
public LinearizedMaps(Gray<int>[,] orientationDegImg, int neigborhood)
{
this.NeigborhoodSize = neigborhood;
this.ImageSize = orientationDegImg.Size();
this.LinearMapSize = new Size(orientationDegImg.Width() / neigborhood, orientationDegImg.Height() / neigborhood);
this.ImageValidSize = new Size(this.LinearMapSize.Width * neigborhood, this.LinearMapSize.Height * neigborhood);
this.LinearMaps = calculate(orientationDegImg);
}