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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">News of the Kabardino-Balkarian Scientific Center of the Russian Academy of Sciences</journal-id><journal-title-group><journal-title xml:lang="en">News of the Kabardino-Balkarian Scientific Center of the Russian Academy of Sciences</journal-title><trans-title-group xml:lang="ru"><trans-title>Известия Кабардино-Балкарского научного центра РАН</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1991-6639</issn><issn publication-format="electronic">2949-1940</issn></journal-meta><article-meta><article-id pub-id-type="publisher-id">290712</article-id><article-id pub-id-type="doi">10.35330/1991-6639-2025-27-1-171-180</article-id><article-id pub-id-type="edn">ZVKMKN</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>System analysis, management and information processing</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Системный анализ, управление и обработка информации</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">The task of detecting overwater objects in poor visibility conditions</article-title><trans-title-group xml:lang="ru"><trans-title>Задача обнаружения надводных объектов в условиях плохой видимости</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-9719-8731</contrib-id><name-alternatives><name xml:lang="en"><surname>Nguyen</surname><given-names>Thanh Cong</given-names></name><name xml:lang="ru"><surname>Нгуен</surname><given-names>Тхань Конг</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>аспирант кафедры автоматических систем</p></bio><bio xml:lang="en"><p>Post-graduate Student of the Department of System Automatic</p></bio><email>congvietnam@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-7267-1121</contrib-id><contrib-id contrib-id-type="spin">5480-9970</contrib-id><name-alternatives><name xml:lang="en"><surname>Nguyen</surname><given-names>Minh Tuong</given-names></name><name xml:lang="ru"><surname>Нгуен</surname><given-names>Минь Тыонг</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>канд. техн. наук, доцент кафедры информатики</p></bio><bio xml:lang="en"><p>Candidate of Engineering Sciences, Associate Professor of the Department of Informatics</p></bio><email>nguen_m@mirea.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">MIREA – Russian Technological University</institution></aff><aff><institution xml:lang="ru">Российский технологический университет МИРЭА</institution></aff></aff-alternatives><content-language>ru</content-language><pub-date date-type="pub" iso-8601-date="2025-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2025</year></pub-date><pub-date date-type="collection"><year>2025</year></pub-date><volume>27</volume><issue>1</issue><issue-title xml:lang="ru"/><issue-title xml:lang="en"/><fpage>171</fpage><lpage>180</lpage><history><date date-type="received" iso-8601-date="2025-05-07"><day>07</day><month>05</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-05-07"><day>07</day><month>05</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Нгуен Т., Нгуен М.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Нгуен Т., Нгуен М.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Нгуен Т., Нгуен М.</copyright-holder><copyright-holder xml:lang="ru">Нгуен Т., Нгуен М.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rcsi.science/1991-6639/article/view/290712">https://journals.rcsi.science/1991-6639/article/view/290712</self-uri><abstract xml:lang="en"><p>The article is devoted to the problem of detection and recognition of overwater objects from video surveillance data in poor visibility conditions, such as rain, snow, fog, twilight. Along with the problem of visibility degradation there are other factors that complicate the solution of this problem: changes in the shape and size of the image when changing the distance to the object of observation and the angle of view of the video camera. One of the approaches to the problem of video surveillance data processing is discussed – it consists in the joint application of two technologies: YOLO deep learning model and discrete wavelet image transformation. Experimental results show that the proposed algorithm achieves high accuracy and efficiency, which makes it suitable for application in drone video monitoring systems.</p></abstract><trans-abstract xml:lang="ru"><p>Статья посвящена задаче обнаружения и распознавания надводных объектов по данным видеонаблюдения в условиях плохой видимости, таких как дождь, снег, туман, сумерки. Наряду с проблемой ухудшения видимости имеются и другие факторы, затрудняющие решение этой задачи: изменение формы и размера изображения при изменении расстояния до объекта наблюдения и угла обзора видеокамеры. Обсуждается один из подходов к проблематике обработки данных видеонаблюдения – он состоит в совместном применении двух технологий: модели глубокого обучения YOLO и дискретного вейвлет-преобразования изображений. Экспериментальные результаты показывают, что предложенный алгоритм достигает высоких показателей точности, что делает его подходящим для применения в системах видеомониторинга беспилотниками.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>задача обнаружения объектов</kwd><kwd>YOLO</kwd><kwd>вейвлет-преобразование</kwd><kwd>надводные объекты</kwd><kwd>дроны</kwd><kwd>условие плохой видимости</kwd></kwd-group><kwd-group xml:lang="en"><kwd>object detection problem</kwd><kwd>YOLO</kwd><kwd>wavelet transform</kwd><kwd>overwater objects</kwd><kwd>drones</kwd><kwd>poor visibility condition</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Wang Z., Wang G., Yang W. Aircraft detection in remote sensing imagery with lightweight feature pyramid network. MIPPR 2019: Automatic Target Recognition and Navigation. 2020. Vol. 11429. Pp. 365–369. 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