HighlightFeatures.cs

using IdApp.Cv.Arithmetics;
using IdApp.Cv.Basic;
using IdApp.Cv.Transformations.Thresholds;
 
namespace IdApp.Cv.Transformations.Morphological
{
    public static partial class MorphologicalOperations
    {
        public static Matrix<float> HighlightFeatures_3x3(this Matrix<float> M, float Threshold)
        {
            return M.HighlightFeatures_3x3(Threshold, 0f, 1f);
        }
 
        public static Matrix<float> HighlightFeatures_3x3(this Matrix<float> M, float Threshold,
            float MinThreshold, float MaxThreshold)
        {
            Matrix<float> Image1 = M.
                Dilate(Shape.Cross_3x3, MaxThreshold).
                Erode(Shape.Diamond_3x3, MinThreshold);
 
            Matrix<float> Image2 = M.
                Dilate(Shape.X_3x3, MaxThreshold).
                Erode(3, 3, MinThreshold);
 
            Image1.AbsoluteDifference(Image2);
            Image1.Threshold(Threshold);
 
            return Image1;
        }
 
        public static Matrix<float> HighlightFeatures_5x5(this Matrix<float> M, float Threshold)
        {
            return M.HighlightFeatures_5x5(Threshold, 0f, 1f);
        }
 
        public static Matrix<float> HighlightFeatures_5x5(this Matrix<float> M, float Threshold,
            float MinThreshold, float MaxThreshold)
        {
            Matrix<float> Image1 = M.
                Dilate(Shape.Cross_5x5, MaxThreshold).
                Erode(Shape.Diamond_5x5, MinThreshold);
 
            Matrix<float> Image2 = M.
                Dilate(Shape.X_5x5, MaxThreshold).
                Erode(5, 5, MinThreshold);
 
            Image1.AbsoluteDifference(Image2);
            Image1.Threshold(Threshold);
 
            return Image1;
        }
 
        public static Matrix<float> HighlightFeatures_7x7(this Matrix<float> M, float Threshold)
        {
            return M.HighlightFeatures_7x7(Threshold, 0f, 1f);
        }
 
        public static Matrix<float> HighlightFeatures_7x7(this Matrix<float> M, float Threshold,
            float MinThreshold, float MaxThreshold)
        {
            Matrix<float> Image1 = M.
                Dilate(Shape.Cross_7x7, MaxThreshold).
                Erode(Shape.Diamond_7x7, MinThreshold);
 
            Matrix<float> Image2 = M.
                Dilate(Shape.X_7x7, MaxThreshold).
                Erode(7, 7, MinThreshold);
 
            Image1.AbsoluteDifference(Image2);
            Image1.Threshold(Threshold);
 
            return Image1;
        }
 
        public static Matrix<int> HighlightFeatures_3x3(this Matrix<int> M, int Threshold)
        {
            return M.HighlightFeatures_3x3(Threshold, 0, 0x01000000);
        }
 
        public static Matrix<int> HighlightFeatures_3x3(this Matrix<int> M, int Threshold,
            int MinThreshold, int MaxThreshold)
        {
            Matrix<int> Image1 = M.
                Dilate(Shape.Cross_3x3, MaxThreshold).
                Erode(Shape.Diamond_3x3, MinThreshold);
 
            Matrix<int> Image2 = M.
                Dilate(Shape.X_3x3, MaxThreshold).
                Erode(3, 3, MinThreshold);
 
            Image1.AbsoluteDifference(Image2);
            Image1.Threshold(Threshold);
 
            return Image1;
        }
 
        public static Matrix<int> HighlightFeatures_5x5(this Matrix<int> M, int Threshold)
        {
            return M.HighlightFeatures_5x5(Threshold, 0, 0x01000000);
        }
 
        public static Matrix<int> HighlightFeatures_5x5(this Matrix<int> M, int Threshold,
            int MinThreshold, int MaxThreshold)
        {
            Matrix<int> Image1 = M.
                Dilate(Shape.Cross_5x5, MaxThreshold).
                Erode(Shape.Diamond_5x5, MinThreshold);
 
            Matrix<int> Image2 = M.
                Dilate(Shape.X_5x5, MaxThreshold).
                Erode(5, 5, MinThreshold);
 
            Image1.AbsoluteDifference(Image2);
            Image1.Threshold(Threshold);
 
            return Image1;
        }
 
        public static Matrix<int> HighlightFeatures_7x7(this Matrix<int> M, int Threshold)
        {
            return M.HighlightFeatures_7x7(Threshold, 0, 0x01000000);
        }
 
        public static Matrix<int> HighlightFeatures_7x7(this Matrix<int> M, int Threshold,
            int MinThreshold, int MaxThreshold)
        {
            Matrix<int> Image1 = M.
                Dilate(Shape.Cross_7x7, MaxThreshold).
                Erode(Shape.Diamond_7x7, MinThreshold);
 
            Matrix<int> Image2 = M.
                Dilate(Shape.X_7x7, MaxThreshold).
                Erode(7, 7, MinThreshold);
 
            Image1.AbsoluteDifference(Image2);
            Image1.Threshold(Threshold);
 
            return Image1;
        }
    }
}