Objavljen je novi izdanak sustava opti\u010dkog prepoznavanja teksta Tesseract 4.1 koji podr\u017eava prepoznavanje UTF-8 znakova i tekstova na vi\u0161e od 100 jezika, uklju\u010duju\u0107i ruski, kazahstanski, bjeloruski i ukrajinski. Rezultat se mo\u017ee spremati kao obi\u010dan tekst ili u formatima HTML (hOCR), ALTO (XML), PDF i TSV. Sustav je prvotno razvijen u razdoblju od 1985. do 1995. godine u laboratoriju tvrtke Hewlett Packard, a 2005. godine kod je objavljen pod Apache licencom i dalje se razvijao uz sudjelovanje zaposlenika tvrtke Google. Izvorni tekstovi projekta objavljeni su pod licencom Apache 2.0. <\/p>\n
Tesseract uklju\u010duje konzolnu utilitu i biblioteku libtesseract za integraciju funkcija prepoznavanja teksta u druge aplikacije. Od podr\u017eanih Tesseract GUI su\u010delja mogu se istaknuti gImageReader, VietOCR i YAGF. Nudi se dva prepoznava\u010da: klasi\u010dni, koji prepoznaje tekst na razini uzoraka pojedina\u010dnih znakova, i novi, koji se temelji na primjeni sustava strojnog u\u010denja koriste\u0107i rekurentnu neuronsku mre\u017eu LSTM, optimiziranu za prepoznavanje cijelih redaka i omogu\u0107avaju\u0107i zna\u010dajno pove\u0107anje to\u010dnosti. Gotovi trenirani modeli objavljeni su za 123 jezika. Za optimizaciju performansi nude se moduli koji koriste OpenMP i SIMD instrukcije AVX2, AVX, NEON ili SSE4.1. <\/p>\n
Glavna pobolj\u0161anja u Tesseract 5.0: <\/p>\n
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\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 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