On the point of statistics,the 8*8 image blocks are classed according to their diagonal,vertical,horizontal or generic characters. Then the SAR image data is compressed in fixed value with reference to corresponding quantifying lists.

• 从统计分析的角度出发,将8*8图像块按照对角、垂直、水平和一般特征进行分类,再对照相应的量化表进行定值压缩。