private void Convolve(ImageWrapper imageWrapper)
{
ImageWrapper imageCopy = imageWrapper.GetDeepCopy();
int halfSize = _logMatrix[0].Length / 2;
int logMatrixSize = _logMatrix[0].Length;
for (int i = 0; i < imageWrapper.Height; ++i)
{
for (int j = 0; j < imageWrapper.Width; ++j)
{
double value = 0.0;
for (int ii = 0; ii < logMatrixSize; ++ii)
{
int n = i - halfSize + ii;
if (n < 0 || n >= imageWrapper.Height)
{
continue;
}
for (int jj = 0; jj < logMatrixSize; ++jj)
{
int m = j - halfSize + jj;
if (m < 0 || m >= imageWrapper.Width)
{
continue;
}
value += _logMatrix[ii][jj] * imageCopy[n, m];
}
}
imageWrapper[i, j] = value;
}
}
}
public BlobDetector(IFilterBuilder filterBuilder, string path)
{
_filterBuilder = filterBuilder;
_dataInitializer = new DataInitializer(path);
_path = path;
_originalImage = new ImageWrapper(new Bitmap(path));
_scaleSpace = new ScaleLevel[(int)(((FinalT - InitialT) / Step) + 1)];
}
private ImageWrapper(ImageWrapper other)
{
_width = other.Width;
_height = other.Height;
_stride = other._stride;
_imageData = new double[other.Height][];
for (int i = 0; i < this.Height; ++i)
{
_imageData[i] = new double[other.Width];
for (int j = 0; j < this.Width; ++j)
{
_imageData[i][j] = other._imageData[i][j];
}
}
}
public ScaleLevel(IFilter filter, ImageWrapper imageWrapper)
{
_filter = filter;
_imageWrapper = imageWrapper;
_blobs = new List<Blob>();
}
public void Apply(ImageWrapper imageWrapper)
{
_logMatrix = _logMatrixBuilder.Build(this.Sigma);
this.Convolve(imageWrapper);
}