Accord.Math.Vector.Scale C# (CSharp) Method

        public static byte Scale(this byte value, IRange<byte> fromRange, IRange<byte> toRange)
        {
            return Scale(value, fromRange.Min, fromRange.Max, toRange.Min, toRange.Max);
        }

        /// <summary>
        ///   Converts an image from one representation to another.
        /// </summary>
        ///
        /// <param name="input">The input image to be converted.</param>
        /// <param name="output">The converted image.</param>
        ///
        public void Convert(UnmanagedImage input, out float[][] output)
        {
            int width     = input.Width;
            int height    = input.Height;
            int pixelSize = input.PixelSize;
            int offset    = input.Offset;

            output = new float[width * height][];

            float min = (float)Min;
            float max = (float)Max;

            unsafe
            {
                byte *src = (byte *)input.ImageData.ToPointer();
                int   dst = 0;

                for (int y = 0; y < height; y++)
                {
                    for (int x = 0; x < width; x++, dst++)
                    {
                        float[] pixel = output[dst] = new float[pixelSize];
                        for (int i = pixel.Length - 1; i >= 0; i--, src++)
                        {
                            pixel[i] = Vector.Scale(*src, (byte)0, (byte)255, min, max);
                        }
                    }
                    src += offset;
                }
            }
        }