One approach for copyright protection is to introduce an invisible signal, known as a digital watermark, into an image or video sequence.
如今一个有效的途径就是在图象或者视频序列中嵌入一个不可见的信号——称为数字水印，来进行版权保护。
Digital watermark is invisible mark embedded in digital image, video or audio documents, by detecting the information of watermarking to protect copyright of multimedia data.
数字水印是一种嵌入到图像、视频或者音频数据中的不可见标志，通过对水印信息的检测可以达到保护多媒体数据版权的目的。
Digital watermark is invisible mark embedded in digital image, video or audio documents, by detecting the information of watermarking to protect copyright of multimedia data.
数字水印是一种嵌入到图像、视频或者音频数据中的不可见标志，通过对水印信息的检测可以达到保护多媒体数据版权的目的。
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