Unverified50% confidenceTradeoffExact time
频域水印低频分量抗局部扰动能力强但易与自然文本统计特征混淆，高频分量定位精确但易被局部编辑破坏
1
Sources
50%
Confidence
Long-term
Relevance
8/14/2026
First Seen
Sources
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