{"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\/it\/blog\/news\/reliz-sistemy-raspoznavaniya-teksta-tesseract-4-1","title":{"rendered":"Rilascio del sistema di riconoscimento testo 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\">Preparato<\/a><\/noindex> rilascio del sistema di riconoscimento ottico dei testi <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/\">Tesseract 4.1<\/a><\/noindex>, che supporta il riconoscimento di caratteri UTF-8 e testi in oltre 100 lingue, inclusi russo, kazako, bielorusso e ucraino. I risultati possono essere salvati come testo semplice o nei formati HTML (hOCR), ALTO (XML), PDF e TSV. Il sistema \u00e8 stato originariamente sviluppato tra il 1985 e il 1995 nel laboratorio della Hewlett Packard, e nel 2005 il codice \u00e8 stato reso open source sotto licenza Apache, continuando a svilupparsi con il contributo di Google. I testi sorgente del progetto <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\">sono distribuite<\/a><\/noindex> sotto licenza Apache 2.0.<\/p>\n<p> Tesseract include un'utilit\u00e0 da riga di comando e una libreria libtesseract per integrare le funzionalit\u00e0 di riconoscimento del testo in altre applicazioni. Tra le interfacce GUI di terze parti che supportano Tesseract <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/User-Projects-%E2%80%93-3rdParty\">si annoverano<\/a><\/noindex> gImageReader <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/manisandro\/gImageReader\">VietOCR<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/vietocr.sourceforge.net\/\">YAGF<\/a><\/noindex> e <noindex><a rel=\"nofollow\" href=\"https:\/\/sourceforge.net\/projects\/yagf-ocr\/\">. Sono disponibili due motori di riconoscimento: il motore classico, che riconosce il testo a livello di modello di singoli caratteri, e il nuovo, basato su un sistema di apprendimento automatico con rete neurale ricorrente LSTM, ottimizzato per il riconoscimento di intere righe e capace di aumentare significativamente la precisione. I modelli gi\u00e0 addestrati sono pubblicati per<\/a><\/noindex>. Sono disponibili due motori di riconoscimento: uno classico, che riconosce il testo a livello di modelli di singoli caratteri, e uno nuovo, che si basa su un sistema di apprendimento automatico con rete neurale ricorrente LSTM, ottimizzato per riconoscere intere linee e consentire un significativo aumento della precisione. I modelli addestrati sono pubblicati per <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/Data-Files\">123 lingue<\/a><\/noindex>. Per ottimizzare le prestazioni, sono disponibili moduli che utilizzano OpenMP e istruzioni SIMD AVX2, AVX o SSE4.1. <\/p>\n<p>Principali <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/wiki\/ReleaseNotes\">miglioramenti<\/a><\/noindex> in Tesseract 4.1:<\/p>\n<ul>\n<li class=\"l\"> Aggiunta la possibilit\u00e0 di output in formato XML <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/ALTO_(XML)\">ALTO<\/a><\/noindex> (Analisi del layout e oggetti di testo). Per utilizzare questo formato, \u00e8 necessario avviare l'applicazione come &#171;tessaract nome_immagine catalogo_uscita alto&#187;;\n<li class=\"l\"> Aggiunti nuovi moduli di rendering LSTMBox e WordStrBox che semplificano la formazione del motore;\n<li class=\"l\"> Aggiunta supporto per pseudografica nell'output hOCR (HTML);\n<li class=\"l\"> Aggiunti script alternativi in Python per l'addestramento del motore basato su apprendimento automatico;\n<li class=\"l\"> Ampliate le ottimizzazioni utilizzando istruzioni AVX, AVX2 e SSE;\n<li class=\"l\"> Il supporto per OpenMP \u00e8 disabilitato per impostazione predefinita a causa <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tesseract-ocr\/tesseract\/issues\/1171\">di problemi<\/a><\/noindex> delle prestazioni;\n<li class=\"l\"> Nel motore LSTM \u00e8 stata aggiunta la gestione di liste bianche e nere;\n<li class=\"l\"> Migliorati gli script di compilazione basati su Cmake.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <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 5.0.0.1 - 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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