对图像锐化，对于不明白的图像进行清晰的处理锐化。-Image sharpening, who do not understand the handling of a clear image sharpening.

彩色图像的预处理，灰度化，直方图均衡化， gaussian低通滤波器锐化，laplacian算子锐化-Color image processing, gray, histogram equalization, gaussian low pass filter, Laplacian operator sharpening