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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32446/0368-1025it.2021-4-28-35</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-1898</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОПТИКО-ФИЗИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OPTICOPHYSICAL MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Оценка эффективности измерений шумов фотосенсоров цифровых камер методами автоматической сегментации неоднородной сцены и стандартным методом EMVA 1288</article-title><trans-title-group xml:lang="en"><trans-title>Estimation of efficiency of measurement of digital camera photosensor noise by automatic segmentation of non-uniform target method and the standard EMVA 1288</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Евтихиев</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Evtikhiev</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николай Николаевич Евтихиев</p><p>Москва</p></bio><bio xml:lang="en"><p>Nickolay N. Evtikhiev</p><p>Moscow</p></bio><email xlink:type="simple">k1121@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6985-9663</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Козлов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozlov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Валерьевич Козлов</p><p>Москва</p></bio><bio xml:lang="en"><p>Alexander V. Kozlov</p><p>Moscow</p><p> </p></bio><email xlink:type="simple">vitaly.krasnov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Краснов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasnov</surname><given-names>V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виталий Вячеславович Краснов</p><p>Москва</p></bio><bio xml:lang="en"><p>V. Krasnov</p><p>Moscow</p></bio><email xlink:type="simple">AlexKozloWV@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3667-8262</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Родин</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Rodin</surname><given-names>V. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владислав Геннадьевич Родин</p><p>Москва</p></bio><bio xml:lang="en"><p>Vladislav G. Rodin</p><p>Moscow</p></bio><email xlink:type="simple">holo_mephi@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стариков</surname><given-names>Р. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Starikov</surname><given-names>R. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ростислав Сергеевич Стариков</p><p>Москва</p></bio><bio xml:lang="en"><p>Rostislav S. Starikov</p><p>Moscow</p></bio><email xlink:type="simple">rstarikov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3556-2663</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черёмхин</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Cheremkhin</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Павел Аркадьевич Черёмхин</p><p>Москва</p></bio><bio xml:lang="en"><p>Pavel A. Cheremkhin</p><p>Moscow</p></bio><email xlink:type="simple">cheremhinpavel@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский ядерный университет «МИФИ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Nuclear University “MEPhI” (Moscow Engineering Physics Institute)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>02</day><month>08</month><year>2023</year></pub-date><volume>0</volume><issue>4</issue><fpage>28</fpage><lpage>35</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/1898">https://www.izmt.ru/jour/article/view/1898</self-uri><abstract><p>Рассмотрена актуальная для современной фототехники задача характеризации используемых цифровых камер – определение их шумовых характеристик. Освещены вопросы ограничения точности данных, получаемых с помощью цифровых камер, связанные с шумом фотосенсоров. Дан сравнительный анализ двух методов характеризации: стандартного метода на основе стандарта Европейской ассоциации машинного зрения EMVA 1288 и оперативного метода на базе автоматической сегментации неоднородной сцены. Исследованы шумовые характеристики фотосенсоров цифровых камер различного назначения: камеры технического зрения PixeLink PL-B781F, камеры для научных исследований Retiga R6 и бытовой камеры Canon EOS M100. Проанализированы полученные значения точности, скорости расчётов и реализации методов. Показано, что при оценке временны́х шумов метод автоматической сегментации неоднородной сцены не уступает по точности стандартному методу и может быть реализован за существенно меньший промежуток времени даже с учётом дополнительных снимков для повышения точности.</p></abstract><trans-abstract xml:lang="en"><p>In this paper important task of estimation of digital camera’s noise parameters is considered. Relation of accuracy of data obtained with digital camera and photosensor noise is discussed. Both standard European machine vision association EMVA 1288 and fast automatic segmentation of non-uniform target (ASNT) noise estimation methods are compared. Noise characteristics of machine vision PixeLink PL-B781F, scientific Retiga R6 and amateur mirrorless Canon EOS M100 cameras have been investigated. Accuracy of measurements, speed of calculation and experimental realization has been analyzed. Accuracy of temporal noise estimation by modifi ed ASNT method is no less than that one for standard EMVA 1288. But the ASNT method can be implemented much faster than the standard EMVA 1288 even with additional frames for accuracy improvement.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>временно́й шум</kwd><kwd>пространственный шум</kwd><kwd>цифровые камеры</kwd><kwd>фотосенсоры</kwd><kwd>дробовый шум</kwd><kwd>цифровая обработка изображений</kwd></kwd-group><kwd-group xml:lang="en"><kwd>noise</kwd><kwd>temporal noise</kwd><kwd>spatial noise</kwd><kwd>digital cameras</kwd><kwd>photosensors</kwd><kwd>shot noise</kwd><kwd>digital image processing</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Handbook of Practical Astronomy, ed. G. 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