{"id":54815,"date":"2020-01-05T00:00:00","date_gmt":"2020-01-04T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-biblioteki-kompyuternogo-zreniya-opencv-4-2"},"modified":"2020-02-18T14:02:52","modified_gmt":"2020-02-18T11:02:52","slug":"vypusk-biblioteki-kompyuternogo-zreniya-opencv-4-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/vypusk-biblioteki-kompyuternogo-zreniya-opencv-4-2","title":{"rendered":"Wydanie biblioteki komputerowego widzenia OpenCV 4.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/opencv.org\/opencv-4-2-0\/\">Zdarzy\u0142o si\u0119<\/a><\/noindex> wydanie otwartej biblioteki <noindex><a rel=\"nofollow\" href=\"http:\/\/opencv.org\/\">OpenCV 4.2<\/a><\/noindex> (Open Source Computer Vision Library), kt\u00f3ra oferuje narz\u0119dzia do przetwarzania i analizy tre\u015bci obraz\u00f3w. OpenCV zapewnia ponad 2500 algorytm\u00f3w, zar\u00f3wno klasycznych, jak i odzwierciedlaj\u0105cych najnowsze osi\u0105gni\u0119cia w dziedzinie wizji komputerowej i system\u00f3w uczenia maszynowego. Kod biblioteki jest napisany w C++ i <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/opencv\/opencv\/\">rozpowszechniany<\/a><\/noindex> na licencji BSD. Przygotowano powi\u0105zania dla r\u00f3\u017cnych j\u0119zyk\u00f3w programowania, w tym Python, MATLAB i Java.<\/p>\n<p>Biblioteka mo\u017ce by\u0107 stosowana do rozpoznawania obiekt\u00f3w na zdj\u0119ciach i filmach (na przyk\u0142ad rozpoznawanie twarzy i sylwetek ludzi, tekstu itp.), \u015bledzenia ruchu obiekt\u00f3w i kamery, klasyfikacji dzia\u0142a\u0144 na filmach, przekszta\u0142cania obraz\u00f3w, ekstrakcji modeli 3D, tworzenia przestrzeni 3D z obraz\u00f3w z kamer stereoskopowych, tworzenia wysokiej jako\u015bci obraz\u00f3w poprzez \u0142\u0105czenie obraz\u00f3w o ni\u017cszej jako\u015bci, wyszukiwania na obrazach obiekt\u00f3w podobnych do przedstawionego zestawu element\u00f3w, stosowania metod uczenia maszynowego, umieszczania znacznik\u00f3w, wykrywania wsp\u00f3lnych element\u00f3w na r\u00f3\u017cnych obrazach, automatycznego usuwania defekt\u00f3w, takich jak efekt czerwonych oczu.<\/p>\n<p>W <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/opencv\/opencv\/wiki\/ChangeLog#version420\">nowej<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/opencv\/opencv\/releases\/tag\/4.2.0\">wersji<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Do modu\u0142u DNN (Deep Neural Network) z wdro\u017ceniem algorytm\u00f3w uczenia maszynowego opartych na sieciach neuronowych dodano backend do wykorzystania CUDA oraz wprowadzono eksperymentalne wsparcie API <noindex><a rel=\"nofollow\" href=\"http:\/\/docs.openvinotoolkit.org\/\">nGraph OpenVINO<\/a><\/noindex>;\n<li class=\"l\"> Z u\u017cyciem instrukcji SIMD przeprowadzono optymalizacj\u0119 wydajno\u015bci kodu dla wyj\u015bcia stereoskopowego (StereoBM\/StereoSGBM), zmiany rozmiaru, nak\u0142adania maski, rotacji, obliczania brakuj\u0105cych sk\u0142adnik\u00f3w koloru i wielu innych operacji;\n<li class=\"l\"> Dodano wielow\u0105tkow\u0105 realizacj\u0119 funkcji <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.opencv.org\/3.4\/d4\/d86\/group__imgproc__filter.html#gaf9bba239dfca11654cb7f50f889fc2ff\">pyrDown<\/a><\/noindex>;\n<li class=\"l\"> Dodano mo\u017cliwo\u015b\u0107 wyodr\u0119bniania strumieni wideo z kontener\u00f3w multimedialnych (demuxing) przy u\u017cyciu backendu videoio opartego na FFmpeg;\n<li class=\"l\"> Dodano algorytm do szybkiej rekonstrukcji uszkodzonych obraz\u00f3w <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.opencv.org\/4.2.0\/dc\/d2f\/tutorial_xphoto_inpainting.html\">FSR<\/a><\/noindex> (Frequency Selective Reconstruction);\n<li class=\"l\"> Dodano metod\u0119 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/opencv\/opencv_contrib\/pull\/2367\">RIC<\/a><\/noindex> do interpolacji typowych niezape\u0142nionych obszar\u00f3w;\n<li class=\"l\"> Dodano metod\u0119 normalizacji odchyle\u0144 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/short-circuitt\/LOGOS\">LOGOS<\/a><\/noindex>;\n<li class=\"l\"> W module G-API (opencv_gapi), pe\u0142ni\u0105cym funkcj\u0119 silnika do efektywnego przetwarzania obraz\u00f3w przy u\u017cyciu algorytm\u00f3w opartych na grafach, zrealizowano wsparcie dla bardziej z\u0142o\u017conych hybrydowych algorytm\u00f3w wizji komputerowej i g\u0142\u0119bokiego uczenia maszynowego. Zapewniono wsparcie dla backendu Intel Inference Engine. Do modelu wykonania dodano wsparcie dla przetwarzania strumieni wideo;\n<li class=\"l\"> Usuni\u0119to <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.talosintelligence.com\/2020\/01\/opencv-buffer-overflow-jan-2020.html\">vulnerablista<\/a><\/noindex>  (<noindex><a rel=\"nofollow\" href=\"https:\/\/www.talosintelligence.com\/vulnerability_reports\/TALOS-2019-0852\">CVE-2019-5063<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.talosintelligence.com\/vulnerability_reports\/TALOS-2019-0853\">CVE-2019-5064<\/a><\/noindex>), kt\u00f3re potencjalnie mog\u0105 prowadzi\u0107 do wykonania kodu atakuj\u0105cego podczas przetwarzania niezaufanych danych w formatach XML, YAML i JSON. Je\u015bli w czasie analizy JSON napotkano symbol o zerowym kodzie, warto\u015b\u0107 jest ca\u0142kowicie kopiowana do bufora, ale bez odpowiedniej kontroli wyj\u015bcia poza przypisan\u0105 pami\u0119\u0107.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52134\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 OpenCV 4.2 (Open Source Computer Vision Library), \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439. OpenCV \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0431\u043e\u043b\u0435\u0435 2500 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u0432, \u043a\u0430\u043a \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0445, \u0442\u0430\u043a \u0438 \u043e\u0442\u0440\u0430\u0436\u0430\u044e\u0449\u0438\u0445 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u0434\u043e\u0441\u0442\u0438\u0436\u0435\u043d\u0438\u044f \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043d\u043e\u0433\u043e \u0437\u0440\u0435\u043d\u0438\u044f \u0438 \u0441\u0438\u0441\u0442\u0435\u043c \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f. \u041a\u043e\u0434 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421++ \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. \u0411\u0438\u043d\u0434\u0438\u043d\u0433\u0438 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u044f\u0437\u044b\u043a\u043e\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-54815","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 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