本文针对光学与数字技术结合的实现图像高压缩比编码的一种方案——方向滤波方法提出利用补偿滤波技术来保持图像边缘信息,从而利用光学滤波技术实现数字滤波运算,给出高达30:1的高压缩比编码结果. In this paper, a combination of optical and digital technology to achieve high compression ratio image coding scheme - the direction of the proposed filtering method using the compensation filter to maintain the edge of the image information, using optical filtering technology to achieve digital filtering operations, given as high as 30: 1 High compression ratio encoding results.