Unverified50% confidenceFactExact time
传统OCR的工作原理包括图像预处理（二值化、降噪、倾斜校正）、字符分割、特征提取和模式匹配等步骤
1
Sources
50%
Confidence
Long-term
Relevance
8/5/2026
First Seen
Sources
Related Claims
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