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OCR: Difference between revisions
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OCR (optical character recognition), 光學字元辨識 | OCR (optical character recognition), 光學字元辨識 | ||
== OCR tools == | == OCR tools == | ||
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* ''$'' [http://www.newocr.com/ Free Online OCR - Convert JPEG, PNG, GIF, BMP, TIFF, PDF, DjVu to Text] 線上網頁轉換，需要逐頁下載轉換後的檔案。使用 API 免費額度 20 頁<ref>[http://www.newocr.com/api/ Free Online OCR - OCR API]</ref> | * ''$'' [http://www.newocr.com/ Free Online OCR - Convert JPEG, PNG, GIF, BMP, TIFF, PDF, DjVu to Text] 線上網頁轉換，需要逐頁下載轉換後的檔案。使用 API 免費額度 20 頁<ref>[http://www.newocr.com/api/ Free Online OCR - OCR API]</ref> | ||
== 常用文件的解析度設定 == | |||
常用用途的解析度設定 | |||
* 文字辨識 75~150 dpi | |||
* 圖文交雜 100~150 dpi | |||
* 圖檔(螢幕上觀看) 150~250 dpi | |||
* 圖檔(有列印需求) 300 dpi以上 | |||
* 名片 150~200 dpi | |||
出處：PCHome 2005/8 | |||
== References == | == References == | ||