{"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\/it\/blog\/novosti-interneta\/reliz-sistemy-raspoznavaniya-teksta-tesseract-5-5-0","title":{"rendered":"Rilascio del sistema di riconoscimento testi Tesseract 5.5.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stata pubblicata la versione 5.5.0 del sistema di riconoscimento ottico dei caratteri Tesseract, che supporta Unicode e il riconoscimento di testi in oltre 100 lingue, tra cui russo, kazako, bielorusso e ucraino. I risultati possono essere salvati sia come testo semplice sia in formati HTML (hOCR), ALTO (XML), PDF e TSV. Il sistema \u00e8 stato originariamente creato tra il 1985 e il 1995 nel laboratorio dell'azienda Hewlett Packard, e nel 2005 il codice \u00e8 stato reso pubblico sotto licenza Apache, continuando a essere sviluppato con la partecipazione dei dipendenti di Google. I testi sorgente del progetto sono distribuiti sotto licenza Apache 2.0.    <\/p>\n<p>Tesseract include un'utilit\u00e0 da console e una libreria libtesseract per integrare funzioni di riconoscimento del testo in altre applicazioni. Tra le interfacce GUI di terze parti che supportano Tesseract, si possono notare gImageReader, VietOCR e YAGF. Sono offerti due motori di riconoscimento: il classico, che riconosce il testo a livello di modelli di singoli caratteri, e il nuovo, basato su un sistema di machine learning con rete neurale ricorrente LSTM, ottimizzato per il riconoscimento di intere righe e che consente un notevole aumento della precisione. Modelli pre-addestrati sono disponibili per 123 lingue. Per ottimizzare le performance, vengono forniti moduli che utilizzano OpenMP e istruzioni SIMD AVX2, AVX, AVX512F, NEON o SSE4.1.     <\/p>\n<p>Miglioramenti principali:  <\/p>\n<ul>\n<li class=\"l\"> Aggiunta la compatibilit\u00e0 per le estensioni vettoriali RISC-V V, su cui sono state preparate ottimizzazioni in assembler per sistemi con processori RISC-V.\n<li class=\"l\"> Durante la registrazione del risultato in formato hOCR, viene garantita l'impostazione nei file creati dei parametri ocrp_dir e ocrp_lang.\n<li class=\"l\"> Il codice \u00e8 stato modernizzato per determinare i modelli linguistici disponibili.\n<li class=\"l\"> Il codice per la generazione di file in formato hOCR \u00e8 stato migliorato e la conversione dei nomi dei file sulla piattaforma Windows \u00e8 stata rimossa.\n<li class=\"l\"> \u00c8 consentito specificare valori simbolici nelle opzioni &#171;&#8212;oem&#187; e &#171;&#8212;psm&#187;.\n<li class=\"l\"> Nel codice, le funzioni access e _access sono state sostituite con il metodo std::filesystem::exists(). Le funzioni tprintf sono state sostituite con l'uso dello stream tesserr.\n<li class=\"l\"> \u00c8 stata rimossa il supporto per la piattaforma di machine learning Tensorflow, che era stata implementata, ma non \u00e8 mai stata utilizzata per eseguire modelli AI di riconoscimento.\n<li class=\"l\"> Installer per la piattaforma Windows migliorato.\n<li class=\"l\"> Il sottogruppo googletest \u00e8 stato aggiornato alla versione 1.15.2.        <\/ul>\n<p>Fonte: <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 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