{"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\/hu\/blog\/news\/reliz-sistemy-raspoznavaniya-teksta-tesseract-5-5-0","title":{"rendered":"A Tesseract 5.5.0 sz\u00f6vegfelismer\u0151 rendszer kiad\u00e1sa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent a Tesseract 5.5.0 optikai karakterfelismer\u0151 rendszer, amely t\u00e1mogatja az Unicode-ot \u00e9s a t\u00f6bb mint 100 nyelven t\u00f6rt\u00e9n\u0151 sz\u00f6vegfelismer\u00e9st, bele\u00e9rtve az orosz, kazah, belorusz \u00e9s ukr\u00e1n nyelveket. Az eredm\u00e9ny ny\u00edlt sz\u00f6vegk\u00e9nt \u00e9s HTML (hOCR), ALTO (XML), PDF \u00e9s TSV form\u00e1tumokban is menthet\u0151. A rendszert eredetileg 1985-1995 k\u00f6z\u00f6tt fejlesztett\u00e9k ki a Hewlett Packard laborat\u00f3rium\u00e1ban, majd 2005-ben a k\u00f3dot az Apache licenc alatt nyilv\u00e1noss\u00e1 tett\u00e9k, \u00e9s ezt k\u00f6vet\u0151en a Google munkat\u00e1rsaival k\u00f6z\u00f6sen fejlesztett\u00e9k tov\u00e1bb. A projekt forr\u00e1sk\u00f3dja Apache 2.0 licenc alatt terjeszthet\u0151.    <\/p>\n<p>A Tesseract tartalmaz egy parancssori seg\u00e9dprogramot \u00e9s a libtesseract k\u00f6nyvt\u00e1rat, amely lehet\u0151v\u00e9 teszi a sz\u00f6vegfelismer\u0151 funkci\u00f3k be\u00e9p\u00edt\u00e9s\u00e9t m\u00e1s alkalmaz\u00e1sokba. A Tesseract \u00e1ltal t\u00e1mogatott k\u00fcls\u0151 GUI-interfaces k\u00f6z\u00fcl kiemelhet\u0151 a gImageReader, VietOCR \u00e9s YAGF. K\u00e9t felismer\u00e9si motort k\u00edn\u00e1lnak: a klasszikus, amely a karakterek egyedi mint\u00e1zat\u00e1nak szintj\u00e9n ismeri fel a sz\u00f6veget, \u00e9s az \u00faj, amely a LSTM rekurz\u00edv neur\u00e1lis h\u00e1l\u00f3ra alapozva g\u00e9pi tanul\u00e1si rendszert haszn\u00e1l, optim\u00e1lisan tervezt\u00e9k a teljes sorok felismertet\u00e9s\u00e9re, jelent\u0151s pontoss\u00e1gn\u00f6veked\u00e9st \u00e9rve el. K\u00e9szen \u00e1ll\u00f3, betan\u00edtott modellek jelentek meg 123 nyelven. A teljes\u00edtm\u00e9ny optimaliz\u00e1l\u00e1s\u00e1hoz OpenMP \u00e9s SIMD utas\u00edt\u00e1sok (AVX2, AVX, AVX512F, NEON vagy SSE4.1) haszn\u00e1lat\u00e1val modulok \u00e1llnak rendelkez\u00e9sre.     <\/p>\n<p>F\u0151 fejleszt\u00e9sek:  <\/p>\n<ul>\n<li class=\"l\"> Hozz\u00e1adva a RISC-V V vektort\u00e1g\u00edt\u00e1sok t\u00e1mogat\u00e1sa, amely alapj\u00e1n assembler optimaliz\u00e1ci\u00f3k k\u00e9sz\u00fcltek RISC-V processzorral rendelkez\u0151 rendszerekhez.\n<li class=\"l\"> A hOCR form\u00e1tumban t\u00f6rt\u00e9n\u0151 eredm\u00e9ny\u00edr\u00e1s sor\u00e1n be\u00e1ll\u00edt\u00e1sra ker\u00fclnek az ocrp_dir \u00e9s ocrp_lang param\u00e9terek az elk\u00e9sz\u00edtett f\u00e1jlban.\n<li class=\"l\"> A k\u00f3d korszer\u0171s\u00edtve lett a rendelkez\u00e9sre \u00e1ll\u00f3 nyelvi modellek azonos\u00edt\u00e1s\u00e1ra.\n<li class=\"l\"> Jav\u00edtva lett a hOCR form\u00e1tum\u00fa f\u00e1jlok el\u0151\u00e1ll\u00edt\u00e1s\u00e1ra szolg\u00e1l\u00f3 k\u00f3d, \u00e9s a f\u00e1jlnevek \u00e1tkonvert\u00e1l\u00e1sa elt\u00e1vol\u00edt\u00e1sra ker\u00fclt Windows platformon.\n<li class=\"l\"> A sz\u00f3beli \u00e9rt\u00e9kek megad\u00e1sa enged\u00e9lyezett a &#171;&#8212;oem&#187; \u00e9s a &#171;&#8212;psm&#187; opci\u00f3kban.\n<li class=\"l\"> A k\u00f3dban az access \u00e9s _access funkci\u00f3kat a std::filesystem::exists() m\u00f3dszerrel helyettes\u00edtett\u00e9k. A tprintf funkci\u00f3k helyett tesserr \u00e1ramot haszn\u00e1lnak.\n<li class=\"l\"> Elt\u00e1vol\u00edtva lett a Tensorflow g\u00e9pi tanul\u00e1si platform t\u00e1mogat\u00e1sa, amelyet egy id\u0151ben implement\u00e1ltak, de v\u00e9g\u00fcl nem ker\u00fclt felhaszn\u00e1l\u00e1sra az AI sz\u00f6vegfelismer\u0151 modellekhez.\n<li class=\"l\"> Jav\u00edtva lett a Windows platformra k\u00e9sz\u00fclt telep\u00edt\u0151.\n<li class=\"l\"> A googletest almodul friss\u00edtve lett az 1.15.2 verzi\u00f3ra.        <\/ul>\n<p>Forr\u00e1s: <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 \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 2005 [&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-120548","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 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