详细的matlab图像处理，有DCT变换图像压缩，对比度增强，直方图均衡化，规定化，平滑滤波，锐化，频域滤波等-Detailed matlab image processing, image compression with DCT transform, contrast enhancement, histogram equalization, the provisions of, smoothing, sharpening, frequency domain filtering

批量对文件夹中的图片进行灰度处理（包括同态滤波+直方图规定化）-Bulk folder pictures gradation processing (including homomorphic+ histogram specification)

灰度图象的直方图均衡化；梯度；直方图规定化；灰度图象的直方图数据(Gray image histogram equalization;)