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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">radioelectronics</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений России. Радиоэлектроника</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of the Russian Universities. Radioelectronics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1993-8985</issn><issn pub-type="epub">2658-4794</issn><publisher><publisher-name>Saint Petersburg Electrotechnical University</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">radioelectronics-150</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>ТЕЛЕВИДЕНИЕ И ОБРАБОТКА ИЗОБРАЖЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TELEVISION AND IMAGE PROCESSING</subject></subj-group></article-categories><title-group><article-title>Адаптивное выделение мелких объектов на цифровых изображениях</article-title><trans-title-group xml:lang="en"><trans-title>Adaptive Extraction of Small Objects in Digital Images</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>Волков</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Volkov</surname><given-names>V. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, профессор кафедры радиосистем и обра­ ботки сигналов</p></bio><bio xml:lang="en"><p>D.Sc.in engineering, Professor of the department of radiosystems and Signal Processing</p></bio><email xlink:type="simple">vladimi-volkov@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный университет телекоммуникаций им. проф. М. А. Бонч-Бруевича</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bonch-Bruevich State Telecommunications University (Saint Petersburg)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>28</day><month>02</month><year>2017</year></pub-date><volume>0</volume><issue>1</issue><fpage>17</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Волков В.Ю., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Волков В.Ю.</copyright-holder><copyright-holder xml:lang="en">Volkov V.Y.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://re.eltech.ru/jour/article/view/150">https://re.eltech.ru/jour/article/view/150</self-uri><abstract><p>Задача обнаружения и локализации протяженных мелких объектов различных размеров и формы встречается в радиотехнических системах наблюдения, которые используют радары с синтезированной апертурой, лидары, инфракрасные и телевизионные камеры. Основной трудностью при обработке является интенсивный и нестационарный фон. Эта задача решается с использованием ориентированной фильтрации, адаптивной пороговой обработки и морфологического анализа. Предложен усовершенствованный метод адаптации порога обнаружения, основанный на анализе изолированных фрагментов, остающихся на изображении после пороговой обработки.</p></abstract><trans-abstract xml:lang="en"><p>The problem of detection and localization of various size and shape small-extended objects in electronic surveillance systems using synthetic aperture radar, lidar, infrared and television cameras is discussed. An intensive and non-stationary background is described as the main difficulty in processing. This problem is solved using oriented filtering, adaptive thresholding and morphological analysis. Improved method is proposed for the adaptation of detection threshold based on the analysis of isolated fragments remaining in the image after thresholding.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Фильтрация</kwd><kwd>локализация объектов на изображениях</kwd><kwd>адаптивная пороговая обработка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Filtering</kwd><kwd>Localization of the Objects in Images</kwd><kwd>Adaptive Thresholding</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">Волков В. Ю. Методы дискретной фильтрации и задачи обработки изображений в радиотехнических системах наблюдения / СПбГУТ. СПб., 2013. 144 с.</mixed-citation><mixed-citation xml:lang="en">Volkov V. Yu. Metody diskretnoi filtratsii I zadachi obrabotki izobrahzenii v radiotekhnicheskikh sistemakh nablyudeniya. 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