{"id":36102,"date":"2019-10-31T22:09:38","date_gmt":"2019-10-31T19:09:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/reliz-sistemy-raspoznavaniya-teksta-tesseract-4-1\/"},"modified":"2019-10-31T22:09:38","modified_gmt":"2019-10-31T19:09:38","slug":"reliz-sistemy-raspoznavaniya-teksta-tesseract-4-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/reliz-sistemy-raspoznavaniya-teksta-tesseract-4-1","title":{"rendered":"Sortie du syst\u00e8me de reconnaissance de texte Tesseract 4.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/groups.google.com\/forum\/#!topic\/tesseract-ocr\/oKtTOIGIMaM\">Pr\u00e9par\u00e9<\/a><\/noindex> publication du syst\u00e8me de reconnaissance optique de caract\u00e8res <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/\">Tesseract 4.1<\/a><\/noindex>, prenant en charge la reconnaissance de caract\u00e8res UTF-8 et de textes en plus de 100 langues, y compris le russe, le kazakh, le bi\u00e9lorusse et l'ukrainien. Le r\u00e9sultat peut \u00eatre enregistr\u00e9 en texte brut ou dans des formats HTML (hOCR), ALTO (XML), PDF et TSV. Le syst\u00e8me a \u00e9t\u00e9 initialement cr\u00e9\u00e9 entre 1985 et 1995 dans un laboratoire de la soci\u00e9t\u00e9 Hewlett Packard, le code a \u00e9t\u00e9 ouvert en 2005 sous licence Apache et a depuis \u00e9t\u00e9 d\u00e9velopp\u00e9 avec la participation d'employ\u00e9s de Google. Les textes sources du projet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\">sont distribu\u00e9s<\/a><\/noindex> sous licence Apache 2.0.<\/p>\n<p> Tesseract comprend un utilitaire en ligne de commande et la biblioth\u00e8que libtesseract pour int\u00e9grer des fonctionnalit\u00e9s de reconnaissance de texte dans d'autres applications. Parmi les interfaces <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/User-Projects-%E2%80%93-3rdParty\">GUI prises en charge par Tesseract<\/a><\/noindex> about:support <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/manisandro\/gImageReader\">gImageReader<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/vietocr.sourceforge.net\/\">VietOCR<\/a><\/noindex> et <noindex><a rel=\"nofollow\" href=\"https:\/\/sourceforge.net\/projects\/yagf-ocr\/\">YAGF<\/a><\/noindex>. Deux moteurs de reconnaissance sont propos\u00e9s : le classique, qui reconna\u00eet le texte au niveau des mod\u00e8les de caract\u00e8res individuels, et le nouveau, bas\u00e9 sur l'application d'un syst\u00e8me d'apprentissage automatique utilisant un r\u00e9seau de neurones r\u00e9current LSTM, optimis\u00e9 pour la reconnaissance de lignes enti\u00e8res et permettant d'obtenir une pr\u00e9cision consid\u00e9rablement accrue. Des mod\u00e8les pr\u00e9-entra\u00een\u00e9s sont publi\u00e9s pour <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/Data-Files\">123 langues<\/a><\/noindex>. Pour optimiser les performances, des modules utilisant OpenMP et des instructions SIMD AVX2, AVX ou SSE4.1 sont propos\u00e9s. <\/p>\n<p>Principales <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/ReleaseNotes\">am\u00e9liorations<\/a><\/noindex> dans Tesseract 4.1 :<\/p>\n<ul>\n<li class=\"l\"> Ajout de la possibilit\u00e9 d'exporter au format XML <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/ALTO_(XML)\">ALTO<\/a><\/noindex> (Analyzed Layout and Text Object). Pour utiliser ce format, il faut lancer l'application avec &#171;tessaract nom_image dossier_sortie alto&#187;;\n<li class=\"l\"> Ajout de nouveaux modules de rendu LSTMBox et WordStrBox, simplifiant l'apprentissage du moteur ;\n<li class=\"l\"> Ajout de la prise en charge des graphiques ASCII dans la sortie hOCR (HTML) ;\n<li class=\"l\"> Ajout de scripts alternatifs \u00e9crits en Python pour entra\u00eener le moteur bas\u00e9 sur l'apprentissage automatique ;\n<li class=\"l\"> Optimisations \u00e9tendues utilisant les instructions AVX, AVX2 et SSE ;\n<li class=\"l\"> Le support OpenMP est d\u00e9sactiv\u00e9 par d\u00e9faut en raison de <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/issues\/1171\">des probl\u00e8mes<\/a><\/noindex> probl\u00e8mes de performance ;\n<li class=\"l\"> Dans le moteur LSTM, ajout de la prise en charge des listes blanches et noires ;\n<li class=\"l\"> Am\u00e9lioration des scripts de construction bas\u00e9s sur Cmake.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source : <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51081\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\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-36102","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=\"\u041f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\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\" \/>\n\t<meta name=\"robots\" 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