Unverified50% confidenceFactExact time
梯形校正通过逆向透视变换预补偿投影畸变，数学上等价于计算3×3的单应矩阵
1
Sources
50%
Confidence
Long-term
Relevance
7/13/2026
First Seen
Sources
CutWire Prism：免费开源节点式实时视频混合器详解
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