[KongchangAI]
Unverified50% confidenceFactExact time

感知哈希的核心思路是将视频帧缩放到固定尺寸(如8×8像素),转换为灰度图后计算DCT(离散余弦变换)系数,生成一个64位的二进制指纹

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026

Sources

Related Claims

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Stable URI
https://kongchang.com/claim/41734
API
curl https://kongchang.com/api/v1/knowledge/claims/41734
MCP
get_claim(id=41734)