The matching algorithm chosen for calculating the degree of match is a normalizedcorrelation algorithm accelerated by pyramid algorithm.
匹配程度的算法选择的是归一化自相关匹配算法,并采用金字塔搜索算法进行加速。
2
The availability of the extracted watermark ise-valuated by comparing the normalizedcorrelation coefficient of the extracted watermark with the true one.
最后与嵌入的水印进行相关性检测来检测提取出的水印是否有效。
3
In the research of mixed excitation linear prediction speech coding, a new real-time normalizedcorrelation function pitch detection algorithm is proposed.