DetectEdges.cs

namespace IdApp.Cv.Transformations.Convolutions
{
    public static partial class ConvolutionOperations
    {
        public static Matrix<float> DetectEdges(this Matrix<float> M)
        {
            return M.Convolute(detectEdgesKernel);
        }
 
        public static Matrix<int> DetectEdges(this Matrix<int> M)
        {
            return M.Convolute(detectEdgesKernel);
        }
 
        public static IMatrix DetectEdges(this IMatrix M)
        {
            return M.Convolute(detectEdgesKernel);
        }
 
        private static readonly Matrix<int> detectEdgesKernel = new Matrix<int>(3, 3, new int[]
        {
            -1, -1, -1,
            -1,  8, -1,
            -1, -1, -1
        });
    }
}