256色转灰度图、Hough变换、Walsh变换、对比度拉伸、二值化变换、反色、方块编码、付立叶变换、高斯平滑、灰度均衡、均值滤波、拉普拉斯锐化、离散余弦变换、亮度增减、逆滤波处理、取对数、取指数、梯度锐化、图像镜像、图像平移、图像缩放、图像细化、图像旋转、维纳滤波处理、用Candy算子提取边缘、阈值变换、直方图均衡、中值滤波。-256 colors to grayscale, Hough transform, Walsh transform, contrast stretching, binarization transformation, anti-color, box encoding, Fourier Transform, Gaussian smoothing, gray balance, mean filtering, Laplace sharp , and discrete cosine transform, the brightness increases and decreases in inverse filtering processing, check on the number of check index, the gradient sharpening, image mirroring, image translation, image scaling, image thinning, image rotation, Wiener filter processing, operator with Candy Extraction of edge, threshold transform, histogram equalization, median filtering.