Unverified50% confidenceFactExact time
余弦相似度衡量的是两个向量在高维球面上的角度差异，依赖全局方向信息，忽略嵌入向量各维度之间的局部关系结构
1
Sources
50%
Confidence
Long-term
Relevance
7/10/2026
First Seen
Sources
IMGNet: A New Face Verification Approach Where Sign Pattern Matching Challenges Cosine Similarity
redditr/deeplearning7/9/2026
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