自己写的yuv422转jpeg图像库，体积小，使用AA&N算法，转换速度快。-himself wrote to the yuv422 jpeg image library, small size, the use of AA

傅里叶变换处理图像，滤波器处理图像，设计滤波窗口对图像进行滤波，消除噪声-Fourier transform processing on the image, the image filter processing, filter design window image is filtered to eliminate noise