Unverified50% confidenceFactExact time
规则周期性纹理（如棋盘格）在DCT或傅里叶变换中会产生集中的高频分量，CNN中层卷积核对这类高频周期结构高度敏感，可能导致误判
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
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