{"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\/da\/blog\/news\/reliz-sistemy-raspoznavaniya-teksta-tesseract-4-1","title":{"rendered":"Udgivelse af tekstgenkendelsessystemet 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\">Forberedt<\/a><\/noindex> udgaven af systemet til optisk tegngenkendelse <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/\">Tesseract 4.1<\/a><\/noindex>, der underst\u00f8tter genkendelse af UTF-8-tegn og tekst p\u00e5 mere end 100 sprog, herunder russisk, kasakhisk, hviderussisk og ukrainsk. Resultatet kan gemmes som almindelig tekst eller i formaterne HTML (hOCR), ALTO (XML), PDF og TSV. Systemet blev oprindeligt udviklet i 1985-1995 i laboratoriet hos Hewlett Packard, og i 2005 blev koden gjort open source under Apache-licensen og har siden da v\u00e6ret videreudviklet med inddragelse af medarbejdere fra Google. Projektets source-filer <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\">distribueres<\/a><\/noindex> er under Apache 2.0-licensen.<\/p>\n<p> Tesseract inkluderer et kommandolinjev\u00e6rkt\u00f8j og bibliotektet libtesseract til integrering af tekstgenkendelsesfunktioner i andre applikationer. Blandt de tredjeparts <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/User-Projects-%E2%80%93-3rdParty\">GUI-gr\u00e6nseflader<\/a><\/noindex> kan n\u00e6vnes <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> og <noindex><a rel=\"nofollow\" href=\"https:\/\/sourceforge.net\/projects\/yagf-ocr\/\">YAGF<\/a><\/noindex>. Der tilbydes to genkendelsesmotorer: den klassiske, der genkender tekst p\u00e5 niveau med m\u00f8nstre for enkelte tegn, og den nye, der bygger p\u00e5 anvendelse af en maskinl\u00e6ringssystem baseret p\u00e5 en rekursiv neuralt netv\u00e6rk LSTM, optimeret til at genkende hele linjer og som muligg\u00f8r en betydelig stigning i n\u00f8jagtigheden. De f\u00e6rdige tr\u00e6nede modeller er offentliggjort for <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/Data-Files\">123 sprog<\/a><\/noindex>. For at optimere ydeevnen tilbydes moduler, der bruger OpenMP og SIMD-instruktioner AVX2, AVX eller SSE4.1. <\/p>\n<p>Vigtige <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/ReleaseNotes\">forbedringer<\/a><\/noindex> i Tesseract 4.1:<\/p>\n<ul>\n<li class=\"l\"> Tilf\u00f8jet mulighed for output i XML-format <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/ALTO_(XML)\">ALTO<\/a><\/noindex> (Analyzed Layout and Text Object). For at bruge dette format skal du k\u00f8re applikationen som &#171;tessaract billede_navn output_katalog alto&#187;;\n<li class=\"l\"> Tilf\u00f8jet nye renderingmoduler LSTMBox og WordStrBox, der forenkler tr\u00e6ningen af motoren;\n<li class=\"l\"> Tilf\u00f8jet st\u00f8tte til pseudografik i hOCR-output (HTML);\n<li class=\"l\"> Tilf\u00f8jet alternative scripts til tr\u00e6ning af motoren baseret p\u00e5 maskinl\u00e6ring, skrevet i Python;\n<li class=\"l\"> Udvidet optimering ved brug af instruktioner fra AVX, AVX2 og SSE;\n<li class=\"l\"> Som standard er underst\u00f8ttelsen af OpenMP deaktivert p\u00e5 grund af <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/issues\/1171\">problemer<\/a><\/noindex> ydelsen;\n<li class=\"l\"> I LSTM-motoren er der tilf\u00f8jet st\u00f8tte til hvide og sorte lister;\n<li class=\"l\"> Forbedret build-scripts baseret p\u00e5 Cmake.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <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 5.0.3 - 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\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" 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