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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">pribor</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Приборостроение</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of Instrument Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3454</issn><issn pub-type="epub">2500-0381</issn><publisher><publisher-name>Национальный исследовательский университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/0021-3454-2026-69-9-800-811</article-id><article-id custom-type="elpub" pub-id-type="custom">pribor-603</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>МЕТОДЫ И ПРИБОРЫ ДЛЯ АНАЛИЗА И КОНТРОЛЯ МАТЕРИАЛОВ, ИЗДЕЛИЙ, ВЕЩЕСТВ И ПРИРОДНОЙ СРЕДЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODS AND DEVICES FOR MONITORING AND DIAGNOSTICS OF MATERIALS, PRODUCTS, SUBSTANCES AND THE NATURAL ENVIRONMENT</subject></subj-group></article-categories><title-group><article-title>Особенности технической и программной реализации метода определения скорости течения воды в малых реках на основе кросскорреляционного анализа изображений</article-title><trans-title-group xml:lang="en"><trans-title>Features of the technical and software implementation of the method for determining small rivers flow velocity based on cross-correlation image analysis</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>Антоненков</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Antonenkov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дмитрий Александрович Антоненков — канд. техн. наук; отдел гидрофизики шельфа; ст. научный сотрудник</p><p>Севастополь</p></bio><bio xml:lang="en"><p>Dmitry A. Antonenkov — PhD; Department of Shelf Hydrophysics; Senior Researcher</p><p>Sevastopol</p></bio><email xlink:type="simple">dmitry_science@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Морской гидрофизический институт РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Marine Hydrophysical Institute of the RAN</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>16</day><month>10</month><year>2026</year></pub-date><volume>69</volume><issue>9</issue><fpage>800</fpage><lpage>811</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Национальный исследовательский университет ИТМО, 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Национальный исследовательский университет ИТМО</copyright-holder><copyright-holder xml:lang="en">Национальный исследовательский университет ИТМО</copyright-holder><license xlink:href="https://pribor.ifmo.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://pribor.ifmo.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://pribor.ifmo.ru/jour/article/view/603">https://pribor.ifmo.ru/jour/article/view/603</self-uri><abstract><p>Основная цель работы — показать особенности технической и программной реализации метода определения скорости течения воды в реках и каналах с помощью регистрации и обработки видеоизображений водной поверхности, а также проанализировать эффективность метода по сравнению со стандартными измерениями гидрометрической вертушкой и поплавковым методом. Приведен краткий обзор наиболее часто используемых способов определения скорости течения. Рассмотрены этапы программной обработки получаемых видеоданных и методика определения средней скорости потока на основе кросскорреляционного анализа изображений. Приведены результаты апробации метода, подтвердившие его работоспособность; расхождения с результатами, полученными с помощью аттестованной гидрометрической вертушки, в целом не превысили 11 %. Данный метод позволяет оперативно получать данные о скорости потока в реках и каналах без использования дорогостоящего оборудования. Отличительная особенность метода — возможность определения поля скоростей течения по всему поперечному створу исследуемого водного объекта, что позволяет получить более точные данные. </p></abstract><trans-abstract xml:lang="en"><p>The main goal of the work is to demonstrate the features of the technical and software implementation of the method for determining the water flow velocity in rivers and channels by recording and processing video images of the water surface, as well as to analyze the effectiveness of the method in comparison with standard measurements using a hydrometric turbine and the float method. A brief overview of the most commonly used methods for determining flow velocity is provided. The stages of software processing of the obtained video data and the methodology for determining the average flow velocity based on cross correlation analysis of images are considered. The results of the method’s testing are presented, confirming its effectiveness; the discrepancies with the results obtained using a certified hydrometric vane generally do not exceed 11 %. This method allows for the rapid acquisition of data on flow velocity in rivers and canals without the use of expensive equipment. A distinctive feature of the method is the ability to determine the flow velocity field across the entire cross section of the water body under study, which makes it possible to obtain more accurate data compared to standard measuring tools.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>кросскорреляционный анализ изображений</kwd><kwd>скорость течения</kwd><kwd>обработка видеоизображений</kwd><kwd>расход воды</kwd><kwd>расчет стока</kwd><kwd>PIV метод</kwd><kwd>методы визуализации</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cross-correlation image analysis</kwd><kwd>flow velocity</kwd><kwd>video image processing</kwd><kwd>water flow</kwd><kwd>runoff calculation</kwd><kwd>PIV method</kwd><kwd>visualization methods</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">работа выполнена в рамках государственного задания по теме FNNN-2024-0016 „Исследование пространственно-временной изменчивости океанологических процессов в береговой, прибрежной и шельфовых зонах Черного моря под воздействием природных и антропогенных факторов на основе контактных измерений и математического моделирования“ (шифр „Прибрежные исследования“).</funding-statement><funding-statement xml:lang="en">the work was carried out within the framework of the state assignment for the project FNNN-20240016, “Investigation of the spatiotemporal variability of oceanographic processes in the coastal, nearshore, and shelf zones of the Black Sea under the influence of natural and anthropogenic factors, based on in situ measurements and mathematical modeling” (code “Coastal Studies”).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Клименко Д. 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