Unverified50% confidenceFactExact time
OpenCV的cornerSubPix函数可将角点定位精度从整数像素级提升到0.01像素级别；跳过该步骤会导致角点定位误差达0.5–1像素
1
Sources
50%
Confidence
Long-term
Relevance
9/2/2026
First Seen
Sources
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