[KongchangAI]
Unverified50% confidenceFactExact time

Video compression (such as H.264/H.265) encodes in blocks and leaves faint "halos" or blocky artifacts around high-contrast edges (for example, white digits on a dark background), and these artifacts get framed into the cleanup region along with the digits.

1
Sources
50%
Confidence
Long-term
Relevance
10/16/2026
First Seen

Sources

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https://kongchang.com/claim/1042263
API
curl https://kongchang.com/api/v1/knowledge/claims/1042263
MCP
get_claim(id=1042263)