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tesseract 5.2.0 Release
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Zdenko Podobny
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Jul 11, 2022, 2:24:34 AM
7/11/22
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Hello all,
I am proud to announce new release of tesseract OCR engine - version 5.2.0:
Improvements and fixes for continuous integration, autoconf and cmake builds.
Set /Os for some 32 bit MS compilers (fixes #3769).
Improve comments and other documentation.
Add initial support for Intel AVX512F.
Fix for very large PDF files on 32 bit hosts (fixes #3805).
Fix NEON detection on FreeBSD.
Fix regression with UZN files (fixes #3837).
Fix calling delete[] for memory allocated by malloc in C API.
Add an API function to init tesseract with traineddata from memory (fixes #3691).
Replace direct access to Leptonica internal data structures by function calls and support latest releases of Leptonica.
Replace std::regex by std::string functions (fixes issue #3830).
Use compiled-in TESSDATA_PREFIX also on Windows (fixes #3767).
Add new parameter 'invert_threshold', change the default threshold from 0.5 to 0.7 and mark parameter 'tessedit_do_invert' as deprecated.
Source code can be downloaded from GitHub [1].
[1]
https://github.com/tesseract-ocr/tesseract/releases/tag/5.2.0
Zdenko
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