About PDF OCR recognition

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  • #63475
    CCNU公司
    Participant

    Chinese is not recognized.

    #63216
    gogopdf24
    Participant

    OCR can not recognize Chinese, English can be recognized.

    My version is PDF24 Creator 11.12.1

    #63476
    Stefan Ziegler
    Keymaster

    I think it's not the detection itself. Please right-Click the line, it there an menu entry to show the error message? You can also send me a test file to forum@pdf24.org so that I can have a look to see what happens internally.

    #65591
    PDF24 Support
    Moderator

    Hello,

    sorry for the late reply. Chinese text is only recognized if Chinese is selected as the language. In the PDF24 OCR tool, select "Chinese-Simpl." or "Chinese-Trad." under "Language"; with "English" alone, Chinese characters are not recognized. The language file is downloaded once, the first time you use the language.

    Please also update to the current version. If "Type of models" is set to "BEST", the recognition of Chinese currently stops with an error about a missing file chi_sim_vert.traineddata or chi_tra_vert.traineddata. The fix will come with the next version; until then, please keep "Default" there.

    If Chinese is selected and the text is still not recognized, so that we can reproduce this, please send us a file where it happens with this button:

    Text recognition is also available online: https://tools.pdf24.org/en/ocr-pdf

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