{"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\/sv\/blog\/news\/reliz-sistemy-raspoznavaniya-teksta-tesseract-4-1","title":{"rendered":"Utgivning av textigenk\u00e4nningssystemet 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\">F\u00f6rberedd<\/a><\/noindex> utg\u00e5van av systemet f\u00f6r optisk teckenigenk\u00e4nning <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/\">Tesseract 4.1<\/a><\/noindex>, som st\u00f6der teckenigenk\u00e4nning i UTF-8 och texter p\u00e5 mer \u00e4n 100 spr\u00e5k, inklusive ryska, kazakiska, vitryska och ukrainska. Resultatet kan sparas som ren text samt i format som HTML (hOCR), ALTO (XML), PDF och TSV. Systemet utvecklades ursprungligen mellan 1985 och 1995 i labbet hos f\u00f6retaget Hewlett Packard, koden \u00f6ppnades 2005 under Apache-licensen och har sedan dess utvecklats med deltagande fr\u00e5n anst\u00e4llda p\u00e5 Google. K\u00e4lltexterna till projektet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\">sprids<\/a><\/noindex> \u00e4r licensierad under Apache 2.0.<\/p>\n<p> Tesseract inkluderar ett konsolverktyg och biblioteket libtesseract f\u00f6r att integrera teckenigenk\u00e4nning i andra applikationer. Fr\u00e5n tredje part som st\u00f6der Tesseract <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/User-Projects-%E2%80%93-3rdParty\">GUI-gr\u00e4nssnitt<\/a><\/noindex> kan man n\u00e4mna <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> och <noindex><a rel=\"nofollow\" href=\"https:\/\/sourceforge.net\/projects\/yagf-ocr\/\">YAGF<\/a><\/noindex>. Det erbjuds tv\u00e5 igenk\u00e4nningstekniker: en klassisk som k\u00e4nner igen text p\u00e5 teckenniv\u00e5 och en ny som baseras p\u00e5 en maskininl\u00e4rningssystem med rekursiva neurala n\u00e4tverk (LSTM), som \u00e4r optimerad f\u00f6r att k\u00e4nna igen hela rader och m\u00f6jligg\u00f6r en betydande \u00f6kning av noggrannheten. F\u00e4rdiga tr\u00e4nade modeller publiceras f\u00f6r <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/Data-Files\">123 spr\u00e5k<\/a><\/noindex>. F\u00f6r att optimera prestanda erbjuds moduler som anv\u00e4nder OpenMP och SIMD-instruktioner AVX2, AVX eller SSE4.1. <\/p>\n<p>Huvud <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/ReleaseNotes\">f\u00f6rb\u00e4ttringar<\/a><\/noindex> i Tesseract 4.1:<\/p>\n<ul>\n<li class=\"l\"> M\u00f6jlighet att exportera i XML-format <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/ALTO_(XML)\">ALTO<\/a><\/noindex> (Analyzed Layout and Text Object). F\u00f6r att anv\u00e4nda detta format m\u00e5ste du k\u00f6ra programmet som &#171;tessaract bildnamn utdata_katalog alto&#187;;\n<li class=\"l\"> Nya renderingsmoduler LSTMBox och WordStrBox har lagts till, vilket f\u00f6renklar tr\u00e4ning av motorn;\n<li class=\"l\"> St\u00f6d f\u00f6r pseudografik har lagts till i hOCR-utmatningen (HTML);\n<li class=\"l\"> Alternativa skript f\u00f6r tr\u00e4ning av maskininl\u00e4rningsmotorn skriven i Python har lagts till;\n<li class=\"l\"> Optimeringarna med hj\u00e4lp av AVX, AVX2 och SSE-instruktioner har utvidgats;\n<li class=\"l\"> St\u00f6det f\u00f6r OpenMP \u00e4r som standard avst\u00e4ngt p\u00e5 grund av <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/issues\/1171\">av problem<\/a><\/noindex> prestanda;\n<li class=\"l\"> I LSTM-motorn har st\u00f6d f\u00f6r vita och svarta listor lagts till;\n<li class=\"l\"> Byggskripten baserade p\u00e5 Cmake har f\u00f6rb\u00e4ttrats.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>K\u00e4lla: <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 5.0.4 - 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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