块校验 meaning in Chinese

block check

Block check procedure
块校验规程
When the watermarking bit is destroyed , which position can be judged exactly , and then block checkout and hamming checkout are used to recover it . meanwhile , watermarking can be extracted without the original document and original watermarking information , which is significative copyright information , so it is a public watermarking technology
抗攻击时,能准确判断水印比特位受破坏的具体位置,并能通过块校验和海明校验将破坏的水印比特位进行适当恢复;同时,提取水印时既不需要原始文本,也不需要原始水印,且提取的水印信息是有意义的版权信息,是一种公开水印。