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Non-linear grayscale normalization for layout analyse and/or text recognition #3857

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Non-linear grayscale normalization for layout analyse and/or text recognition #3857

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Commits on Apr 4, 2022

  1. Add: Non-linear grayscale normalization as preprocessing based on nlb… 

    …in (Thomas Breuel).
    @JKamlah
    JKamlah committed Apr 4, 2022
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Commits on Apr 20, 2022

  1. Add three normalization modi: Only for thresholding, only for recogni… 

    …tion and for both tasks.
    @JKamlah
    JKamlah committed Apr 20, 2022
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Commits on Apr 25, 2022

  1. Reformat code.

    @JKamlah
    JKamlah committed Apr 25, 2022
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Commits on Jul 1, 2022

  1. Add preprocessing parameter for grayscale normalization (preprocess_g… 

    …raynorm_mode). There are 4 modes 0 - no normalization, 1 - thresholding+recognition, 2 - thresholding (only), 3 - recognition (only).
    @JKamlah
    JKamlah committed Jul 1, 2022
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  2. Fix write preprocess image with tessedit_write_images.

    @JKamlah
    JKamlah committed Jul 1, 2022
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Commits on Jul 4, 2022

  1. Fix error warning text, delete empty lines and old parameter config.

    @JKamlah
    JKamlah committed Jul 4, 2022
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Commits on Mar 5, 2023

  1. Merge branch 'tesseract-ocr:main' into nlbin

    @JKamlah
    JKamlah authored Mar 5, 2023
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Commits on Dec 6, 2023

  1. Merge branch 'tesseract-ocr:main' into nlbin

    @JKamlah
    JKamlah authored Dec 6, 2023
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