Foi lan\u00e7ado o Tesseract 4.1, um sistema de reconhecimento \u00f3ptico de caracteres que suporta reconhecimento de caracteres UTF-8 e textos em mais de 100 idiomas, incluindo russo, cazaque, bielorrusso e ucraniano. Os resultados podem ser salvos tanto como texto simples quanto em formatos HTML (hOCR), ALTO (XML), PDF e TSV. O sistema foi originalmente criado entre 1985 e 1995 no laborat\u00f3rio da Hewlett Packard e, em 2005, o c\u00f3digo foi aberto sob a licen\u00e7a Apache, sendo posteriormente desenvolvido com a participa\u00e7\u00e3o de funcion\u00e1rios do Google. O c\u00f3digo fonte do projeto \u00e9 distribu\u00eddo sob a licen\u00e7a Apache 2.0. <\/p>\n
O Tesseract inclui uma utilidade de console e a biblioteca libtesseract para integrar fun\u00e7\u00f5es de reconhecimento de texto em outros aplicativos. Entre as interfaces gr\u00e1ficas de terceiros que suportam o Tesseract, podem ser destacadas gImageReader, VietOCR e YAGF. Oferece dois motores de reconhecimento: o cl\u00e1ssico, que reconhece texto com base em padr\u00f5es de caracteres individuais, e o novo, baseado em um sistema de aprendizado de m\u00e1quina usando redes neurais recorrentes LSTM, otimizado para reconhecer linhas inteiras e permitindo um aumento significativo da precis\u00e3o. Modelos prontos e treinados foram publicados para 123 idiomas. Para otimizar o desempenho, s\u00e3o oferecidos m\u00f3dulos que utilizam instru\u00e7\u00f5es OpenMP e SIMD AVX2, AVX, NEON ou SSE4.1. <\/p>\n
Principais melhorias no 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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