Unverified50% confidenceFactExact time
FreqMark的频域分布式嵌入方式使水印信息全局分布，局部改写只引入少量噪声而不会彻底消除目标频率信号，从而带来抗干扰能力
1
Sources
50%
Confidence
Long-term
Relevance
8/14/2026
First Seen
Sources
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