摘要
从数学角度出发,提出了一种方案:对在二值图象中影响WBS编码、块编码效率的黑直线段(铅直或水平),进行编码前的预处理,消除黑直线段。从而提高它们的压缩比。
In this paper, an algorithm based on mathematics for improving the efficiency of WBS coding and block coding of binary image is presented. The basic principle is to eliminate the black straight line sectors (vertical or horizontal) by preprocessing them before encoding, the compression ratio is then increased.
出处
《中国图象图形学报(A辑)》
CSCD
1998年第8期671-674,共4页
Journal of Image and Graphics
关键词
二值图象
压缩比
图象编码
预处理
图象压缩
Binary image, Compression ratio, Twodimensional standard trasformation