{"id":116403,"date":"2024-06-07T03:39:51","date_gmt":"2024-06-07T01:39:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-sistemy-raspoznavaniya-teksta-tesseract-5-4-0"},"modified":"2024-06-07T03:39:51","modified_gmt":"2024-06-07T01:39:51","slug":"reliz-sistemy-raspoznavaniya-teksta-tesseract-5-4-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/reliz-sistemy-raspoznavaniya-teksta-tesseract-5-4-0","title":{"rendered":"Udgivelsen af tekstgenkendelsessystemet Tesseract 5.4.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Udgivet er version 5.4.0 af Tesseract, et system til optisk tegngenkendelse, som underst\u00f8tter genkendelse af UTF-8 tegn og tekster p\u00e5 over 100 sprog, herunder russisk, kasakhisk, hviderussisk og ukrainsk. Resultatet kan gemmes som ren tekst samt i HTML (hOCR), ALTO (XML), PDF og TSV formater. Systemet blev oprindeligt udviklet mellem 1985 og 1995 i Hewlett Packards laboratorium, og i 2005 blev koden frigivet under Apache-licensen, hvorefter det blev videreudviklet med hj\u00e6lp fra medarbejdere hos Google. Kildekoderne til projektet distribueres under Apache 2.0 licensen.    <\/p>\n<p>Tesseract inkluderer et kommandolinjev\u00e6rkt\u00f8j og biblioteket libtesseract til indbygning af tekstgenkendelsesfunktioner i andre applikationer. Blandt de eksterne GUI-gr\u00e6nseflader, der underst\u00f8tter Tesseract, kan n\u00e6vnes gImageReader, VietOCR og YAGF. Der tilbydes to genkendelsesmotorer: en klassisk, der genkender tekst p\u00e5 niveau med mallene for individuelle tegn, og en ny, der er baseret p\u00e5 anvendelsen af et maskinl\u00e6ringssystem med en rekurrent neural netv\u00e6rk (LSTM), optimeret til at genkende hele linjer og derved opn\u00e5 betydelig forbedring af n\u00f8jagtigheden. F\u00e6rdigtr\u00e6nede modeller er offentliggjort til 123 sprog. For at optimere ydeevnen tilbydes moduler, der bruger OpenMP og AVX2, AVX, AVX512F, NEON eller SSE4.1 SIMD-instruktioner.     <\/p>\n<p>Hovedforbedringer:  <\/p>\n<ul>\n<li class=\"l\"> Tilf\u00f8jet support til tegning og eksport i PAGE-XML format.\n<li class=\"l\"> Mulighed for at tr\u00e6ne modellen ved hj\u00e6lp af filer i PNG format i stedet for LSTMF filer er implementeret.\n<li class=\"l\"> Tegning i PDF format er forbedret.\n<li class=\"l\"> API'et er udvidet til bestemmelse af tekstens h\u00e6ldning.\n<li class=\"l\"> Problemer med ydeevnen, der blev identificeret under scanning i Coverity-systemet, er blevet l\u00f8st.          <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61329\">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 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