\u00c8 stata pubblicata la versione del sistema di riconoscimento ottico dei caratteri Tesseract 4.1, 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 sia come testo semplice che nei formati HTML (hOCR), ALTO (XML), PDF e TSV. Inizialmente, il sistema \u00e8 stato creato tra il 1985 e il 1995 nel laboratorio della Hewlett Packard, nel 2005 il codice \u00e8 stato reso pubblico sotto licenza Apache e successivamente sviluppato con la partecipazione di Google. I testi sorgente del progetto sono distribuiti sotto la licenza Apache 2.0. <\/p>\n
Tesseract include un'utilit\u00e0 da console e la libreria libtesseract per integrare le funzionalit\u00e0 di riconoscimento del testo in altre applicazioni. Tra le interfacce GUI di terze parti che supportano Tesseract, si possono notare gImageReader, VietOCR e YAGF. Vengono offerti due motori di riconoscimento: uno classico, che riconosce il testo a livello di modelli di singoli caratteri, e uno nuovo, basato sull'applicazione di un sistema di apprendimento automatico basato su reti neurali ricorrenti LSTM, ottimizzato per il riconoscimento dell'intera riga e che consente di ottenere un notevole aumento della precisione. Modelli pre-addestrati sono stati pubblicati per 123 lingue. Per ottimizzare le prestazioni, sono disponibili moduli che utilizzano OpenMP e istruzioni SIMD AVX2, AVX, NEON o SSE4.1. <\/p>\n
Miglioramenti principali in Tesseract 5.0: <\/p>\n
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