{"id":120548,"date":"2024-11-11T07:09:08","date_gmt":"2024-11-11T05:09:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-sistemy-raspoznavaniya-teksta-tesseract-5-5-0"},"modified":"2024-11-11T07:09:08","modified_gmt":"2024-11-11T05:09:08","slug":"reliz-sistemy-raspoznavaniya-teksta-tesseract-5-5-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/reliz-sistemy-raspoznavaniya-teksta-tesseract-5-5-0","title":{"rendered":"De release van het tekstherkenningssysteem Tesseract 5.5.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>De release van het optische tekenherkenningssysteem Tesseract 5.5.0 is gepubliceerd, dat Unicode ondersteunt en teksten in meer dan 100 talen kan herkennen, waaronder Russisch, Kazachs, Wit-Russisch en Oekra\u00efens. Het resultaat kan worden opgeslagen als platte tekst, evenals in HTML-indelingen (hOCR), ALTO (XML), PDF en TSV. Het systeem werd oorspronkelijk ontwikkeld in de jaren 1985-1995 in het laboratorium van Hewlett Packard. In 2005 werd de code open source onder de Apache-licentie en werd het verder ontwikkeld met de medewerking van medewerkers van Google. De originele projectbestanden worden verspreid onder de Apache 2.0-licentie.    <\/p>\n<p>Tesseract bevat een consoleprogramma en de bibliotheek libtesseract om tekstherkenningsfuncties in andere toepassingen in te voegen. Enkele van de ondersteunende Tesseract GUI-interfaces zijn gImageReader, VietOCR en YAGF. Er worden twee herkenningsmotoren aangeboden: de klassieke, die teksten herkent op basis van sjablonen van afzonderlijke tekens, en de nieuwe, die is gebaseerd op een machine learning-systeem met een recurrent neuraal netwerk (LSTM), geoptimaliseerd voor het herkennen van hele regels en die aanzienlijke verbeteringen in nauwkeurigheid oplevert. Voor 123 talen zijn kant-en-klare getrainde modellen gepubliceerd. Voor prestatie-optimalisatie zijn modules beschikbaar die OpenMP en SIMD-instructies AVX2, AVX, AVX512F, NEON of SSE4.1 gebruiken.     <\/p>\n<p>Hoofdverbeteringen:  <\/p>\n<ul>\n<li class=\"l\"> Ondersteuning voor de RISC-V V vectoruitbreidingen is toegevoegd, waarvoor assembleroptimalisaties zijn voorbereid voor systemen met RISC-V-processoren.\n<li class=\"l\"> Bij het opslaan van het resultaat in hOCR-indeling is het mogelijk om de parameters ocrp_dir en ocrp_lang in het gemaakte bestand aan te geven.\n<li class=\"l\"> De code is gemoderniseerd om beschikbare taalmiddelen te identificeren.\n<li class=\"l\"> De code voor het genereren van bestanden in hOCR-indeling is verbeterd en de naamsconversie van bestanden op Windows is verwijderd.\n<li class=\"l\"> Het is toegestaan om tekenwaarden op te geven in de opties &#171;&#8212;oem&#187; en &#171;&#8212;psm&#187;.\n<li class=\"l\"> In de code zijn de functies access en _access vervangen door de methode std::filesystem::exists(). De functies tprintf zijn vervangen door het gebruik van de tesserr-stroom.\n<li class=\"l\"> De ondersteuning voor het machine learning-platform Tensorflow is verwijderd, dat eerder was ge\u00efmplementeerd, maar nooit was ingezet voor het uitvoeren van AI-modellen voor herkenning.\n<li class=\"l\"> De installer voor het Windows-platform is verbeterd.\n<li class=\"l\"> De submodule googletest is bijgewerkt naar versie 1.15.2.        <\/ul>\n<p>Bron: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62216\">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 5.5.0, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0435\u0439 Unicode \u0438 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u0435 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 \u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c \u043d\u0430 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 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