クロマキー

ChromaKey.cs

        public static Mat ChromaKey(Mat srcMat, Mat backMat, int hueMin, int hueMax, int saturationMin, int saturationMax, int valueMin, int valueMax, int morphorogyIterations = 1)
        {
            var mask = ColorExtractionMask(srcMat, ColorConversion.BgrToHsv, hueMin, hueMax, saturationMin, saturationMax, valueMin, valueMax); var element = new Mat();

            var back = new Mat();
            var face = new Mat();
            var result = new Mat();

            Cv2.MorphologyEx(mask, mask, MorphologyOperation.Close, element, null, morphorogyIterations);
            Cv2.MorphologyEx(mask, mask, MorphologyOperation.Open, element, null, morphorogyIterations);

            var reverseMask = ~mask;

            srcMat.CopyTo(face, reverseMask);
            backMat.CopyTo(back, mask);

            Cv2.Add(back, face, result);

            mask.Dispose();
            element.Dispose();
            back.Dispose();
            face.Dispose();
            reverseMask.Dispose();

            return result;
        }