Accord.Tests.Imaging.IntegralImage2Test.tiltedIntegral2 C# (CSharp) Метод

        private static int[,] tiltedIntegral2(byte[,] img)
        {
            int val = 0;
            int[,] expected = new int[img.GetLength(0) + 1, img.GetLength(0) + 1];
            for (int x = 0; x < img.GetLength(0) + 1; x++)
            {
                for (int y = 0; y < img.GetLength(1) + 1; y++)
                {
                    int sum = val;

                    for (int xl = 0; xl < img.GetLength(0); xl++)
                    {
                        for (int yl = 0; yl < img.GetLength(1); yl++)
                        {
                            if (xl <= x &&
                                xl <= x - System.Math.Abs(y - yl))
                                sum += img[yl, xl];
                        }
                    }

                    expected[y, x] = sum;
                }
            }
            return expected;
        }