更新时间:2022-09-27 14:22:28
[函数名称]
对数增强 WriteableBitmap LogenhanceProcess(WriteableBitmap src)
/// <summary> /// Logarithm enhancement process. /// </summary> /// <param name="src">The source image.</param> /// <returns></returns> public static WriteableBitmap LogenhanceProcess(WriteableBitmap src)////对数增强 { if (src != null) { int w = src.PixelWidth; int h = src.PixelHeight; WriteableBitmap srcImage = new WriteableBitmap(w, h); byte[] temp = src.PixelBuffer.ToArray(); byte[] tempMask = (byte[])temp.Clone(); for (int i = 0; i < tempMask.Length; i++) { temp[i] = (byte)(255.0 / Math.Log(256) * Math.Log(tempMask[i] + 1)); } Stream sTemp = srcImage.PixelBuffer.AsStream(); sTemp.Seek(0, SeekOrigin.Begin); sTemp.Write(temp, 0, w * 4 * h); return srcImage; } else { return null; } }