Use the insert algorithm, embed the watermark message into the , get the new coefficient ;
调用水印嵌入算法,将水印嵌入到变换系数里,得到新的系数;
Triplets of wavelet coefficients are defined, then selected and classified into two classes to embed and extract the watermark according to the relationship of their three wavelet coefficients.
定义了三重小波系数集,根据其元素间相互关系选择系数集并将其分成两类从而嵌入和提取水印。
The robust performance of the embed watermark is enhanced by the information enlarged technique.
采用信息放大技术,加强水印的嵌入强度。
So this scheme is an easy and high efficient method to embed watermark. And the capacity of watermark can be doubled by judging four regions.
由此表明,该算法是一种简单、高效的视频水印隐藏方案,并且细化区域的分类,可以达到使隐藏的水印信息加倍的效果。
Then we choose to embed watermark in the frequency sub-band.
于是选择将水印信息嵌入到中频子带中。
Finally, adjust the parity of the quantization coefficients to embed watermark.
最后,调整均匀谱处理后的量化系数奇偶性,实现水印嵌入。
At the same time it embed Fragile Watermark in image's high frequency part with the use of DCT so that Fragile Watermark can...
同时它利用离散余弦变换,在图像的高频部分嵌入脆弱水印,使脆弱水印在遭受攻击或篡改时更易被损坏。
At the same time it embed Fragile Watermark in image's high frequency part with the use of DCT so that Fragile Watermark can...
同时它利用离散余弦变换,在图像的高频部分嵌入脆弱水印,使脆弱水印在遭受攻击或篡改时更易被损坏。
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