Unverified85% confidenceDecision RuleTime unknown
文档OCR文字识别用途下,300dpi已足够清晰且文件体积小;盲目追求600dpi以上只会让扫描变慢、文件暴涨,对文字识别精度提升甚微
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85%
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Long-term
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Unverified文档扫描300DPI已满足OCR识别与清晰归档需求,600DPI仅在需放大打印或存档细小印章文字时必要;盲目追求1200DPI会使单张文件体积膨胀4倍且拖慢扫描速度90% similarUnverifiedOCR对印刷体识别率尚可,但对手写体和小字号文本识别准确率明显下降,依赖手写场景的慎选74% similarUnverified打印分辨率影响小字和条码清晰度:180dpi够日常文字,需要打印二维码/一维码或极小字号建议选203dpi及以上,否则扫码识别率下降74% similarUnverifiedOCR扫描对标准印刷体识别率高,但对手写体、艺术字体、过小字号的识别准确率会明显下降,使用时需注意扫描角度和速度的稳定性73% similarUnverified多数扫描笔OCR识别在良好光线下印刷体准确率可达98%以上,但对反光纸、彩色底纹、下划线穿过文字的场景识别率明显下降73% similar
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