{"id":102437,"date":"2021-12-01T15:37:06","date_gmt":"2021-12-01T13:37:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-sistemy-raspoznavaniya-teksta-tesseract-5-0"},"modified":"2021-12-01T15:37:06","modified_gmt":"2021-12-01T13:37:06","slug":"reliz-sistemy-raspoznavaniya-teksta-tesseract-5-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/en\/blog\/news\/reliz-sistemy-raspoznavaniya-teksta-tesseract-5-0","title":{"rendered":"Release of the Tesseract 5.0 text recognition system.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>The release of the optical character recognition system Tesseract 4.1 has been published, supporting UTF-8 character recognition and text in over 100 languages, including Russian, Kazakh, Belarusian, and Ukrainian. The results can be saved as plain text or in HTML formats (hOCR), ALTO (XML), PDF, and TSV. The system was originally created in 1985-1995 in the laboratory of Hewlett Packard, and in 2005, the code was released under the Apache license and further developed with the participation of Google employees. The project's source texts are distributed under the Apache 2.0 license.      <\/p>\n<p> Tesseract includes a console utility and the libtesseract library for embedding text recognition features in other applications. Among the third-party GUI interfaces supporting Tesseract are gImageReader, VietOCR, and YAGF. It offers two recognition engines: a classic one that recognizes text at the character template level, and a new one based on a recurrent neural network (RNN) machine learning system optimized for recognizing entire lines, allowing for a significant increase in accuracy. Pre-trained models are published for 123 languages. Performance optimization modules use OpenMP and SIMD instructions AVX2, AVX, NEON, or SSE4.1.     <\/p>\n<p>The main improvements in Tesseract 5.0:  <\/p>\n<ul>\n<li class=\"l\"> The significant version change is due to updates in the API that break compatibility. Specifically, the publicly accessible libtesseract API is no longer tied to proprietary data types GenericVector and STRING, which have been replaced in the code by std::string and std::vector.\n<li class=\"l\"> The structure of the source texts has been reorganized. Public header files have been moved to the include\/tesseract directory.\n<li class=\"l\"> Memory management has been revamped, replacing all malloc and free calls with C++ code. A general code modernization has been carried out.\n<li class=\"l\"> Optimizations for ARM and ARM64 architectures have been added, utilizing ARM NEON instructions to speed up computations. A general performance optimization for all architectures has been conducted.\n<li class=\"l\"> New modes for model training and text recognition have been implemented, based on the use of floating-point computations. These new modes feature higher performance and reduced memory consumption. In the LSTM engine, the fast float32 mode is enabled by default.\n<li class=\"l\"> The transition to using Unicode normalization employing the NFC (Normalization Form Canonical) has been accomplished.\n<li class=\"l\"> The option to adjust log detail level (--loglevel) has been added.\n<li class=\"l\"> The build system has been redesigned based on Autotools, which has been transitioned to build in a non-recursive mode.\n<li class=\"l\"> The 'master' branch in Git has been renamed to 'main'.\n<li class=\"l\"> Support for new releases of macOS and Apple systems based on the M1 chip has been added.<br \/>\n<br \/>Source: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56259\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043e\u043f\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u044f \u0442\u0435\u043a\u0441\u0442\u0430 Tesseract 4.1, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0435\u0439 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 UTF-8 \u0438 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 \u043d\u0430 \u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c 100 \u044f\u0437\u044b\u043a\u0430\u0445, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0440\u0443\u0441\u0441\u043a\u0438\u0439, \u043a\u0430\u0437\u0430\u0445\u0441\u043a\u0438\u0439, \u0431\u0435\u043b\u043e\u0440\u0443\u0441\u0441\u043a\u0438\u0439 \u0438 \u0443\u043a\u0440\u0430\u0438\u043d\u0441\u043a\u0438\u0439. \u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043c\u043e\u0436\u0435\u0442 \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u043c \u0442\u0435\u043a\u0441\u0442\u043e\u043c, \u0442\u0430\u043a \u0438 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0430\u0445 HTML (hOCR), ALTO (XML), PDF \u0438 TSV. \u0418\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0431\u044b\u043b\u0430 \u0441\u043e\u0437\u0434\u0430\u043d\u0430 \u0432 1985-1995 \u0433\u043e\u0434\u0430\u0445 \u0432 \u043b\u0430\u0431\u043e\u0440\u0430\u0442\u043e\u0440\u0438\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Hewlett Packard, \u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102437","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043e\u043f\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u044f \u0442\u0435\u043a\u0441\u0442\u0430 Tesseract 4.1, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0435\u0439 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