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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">firesmi</journal-id><journal-title-group><journal-title xml:lang="ru">Пожаровзрывобезопасность/Fire and Explosion Safety</journal-title><trans-title-group xml:lang="en"><trans-title>Pozharovzryvobezopasnost/Fire and Explosion Safety</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-7493</issn><issn pub-type="epub">2587-6201</issn><publisher><publisher-name>ФГБОУ ВО «Национальный исследовательский Московский государственный строительный университет»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22227/0869-7493.2023.32.05.40-48</article-id><article-id custom-type="elpub" pub-id-type="custom">firesmi-1270</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>МАТЕМАТИЧЕСКОЕ МОДЕЛИРОВАНИЕ, ЧИСЛЕННЫЕ МЕТОДЫ И КОМПЛЕКСЫ ПРОГРАММ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATHEMATICAL MODELING, NUMERICAL METHODS AND PROGRAM COMPLEXES</subject></subj-group></article-categories><title-group><article-title>Обнаружение очагов возгорания на технологических объектах с использованием сверточной нейронной сети</article-title><trans-title-group xml:lang="en"><trans-title>Detection of fires at technological facilities using convolutional neural network</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-4974-7948</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Евсиков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Evsikov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ЕВСИКОВ Андрей Александрович, аспирант</p><p>119991, г. Москва, Ленинский пр-т, 65, корп. 1</p></bio><bio xml:lang="en"><p>Andrey A. EVSIKOV, Postgraduate Student</p><p>Leninskiy Avenue, 65, Bldg. 1, Moscow, 119991</p></bio><email xlink:type="simple">andreyev4@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2430-5311</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самарин</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Samarin</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>САМАРИН Илья Вадимович, д-р техн. наук, доцент, заведующий кафедрой автоматизации технологических процессов</p><p>119991, г. Москва, Ленинский пр-т, 65, корп. 1</p><p>РИНЦ ID: 867674</p></bio><bio xml:lang="en"><p>Ilya V. SAMARIN, Dr. Sci. (Eng.), Docent, Head of Department of Automation of Technological Processes</p><p>Leninskiy Avenue, 65, Bldg. 1, Moscow, 119991</p><p>ID RISC: 867674</p></bio><email xlink:type="simple">ivs@gubkin.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский государственный университет нефти и газа (национальный исследовательский университет) имени И.М. Губкина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Gubkin Russian State University of Oil and Gas (National Research University)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>25</day><month>10</month><year>2023</year></pub-date><volume>32</volume><issue>5</issue><fpage>40</fpage><lpage>48</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Евсиков А.А., Самарин И.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Евсиков А.А., Самарин И.В.</copyright-holder><copyright-holder xml:lang="en">Evsikov A.A., Samarin I.V.</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://www.fire-smi.ru/jour/article/view/1270">https://www.fire-smi.ru/jour/article/view/1270</self-uri><abstract><sec><title>Введение</title><p>Введение. Рассматривается решение задачи обнаружения очагов возгорания на технологических объектах в автоматическом режиме. Для этого выбран подход по созданию сверточной нейронной сети, способной работать на видеопотоке в реальном времени.</p></sec><sec><title>Цели и задачи</title><p>Цели и задачи. Целью данной работы является создание нейронной сети, способной обнаруживать пламя и дым на изображении с камер видеонаблюдения. Задачи исследования: выбор оптимальной архитектуры нейронной сети в соответствии с последними исследованиями в этой области; ускорение работы выбранной архитектуры с помощью методов квантования и прореживания фильтров</p></sec><sec><title>Методы</title><p>Методы. Рассматриваются различные архитектуры сверточных нейронных сетей, выполняющих задачу обнаружения объектов на изображении. Сравниваются их быстродействие и качество работы. Изучается архитектура YOLOv5, ее целевая функция, методы обучения и способы ускорения работы.</p><p>Результаты и их обсуждение. Показаны результаты обучения сверточной нейронной сети архитектуры YOLOv5 для задачи обнаружения пламени и дыма, а изменение результатов при применении методов ускоре­ния нейронной сети. Определено, что использование таких методов ускорения, как квантование и фильт­рация фильтров, позволяет значительно увеличить скорость работы нейронной сети, почти не потеряв в точности работы.</p></sec><sec><title>Выводы</title><p>Выводы. Определена архитектура нейронной сети для обнаружения очага возгорания. На основе выбранной архитектуры обучена нейронная сеть, способная обнаруживать пламя и дым на изображении. Скорость ее работы дает возможность обрабатывать видеопоток в реальном времени без использования графического ускорителя.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The article considers the solution of the problem of detecting fires at technological facilities in automatic mode. To solve this problem, an approach was chosen to create a convolutional neural network capable of operating on a real-time video stream.</p></sec><sec><title>Aims and Purposes</title><p>Aims and Purposes. The aim of this work is to create a neural network capable of detecting flames and smoke in the image from CCTV cameras. The purposes of the work include: selection of the optimal architecture of the neural network in accordance with the latest research in this field; speeding up the chosen architecture using quantization and filter thinning techniques.</p></sec><sec><title>Methods</title><p>Methods. Different architectures of convolutional neural networks performing the task of detecting objects in an image are considered. Their performance and quality of work are compared. The YOLOv5 architecture, its target function, training methods and ways of speeding up work are considered.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. The paper shows the results of training a convolutional neural network of the YOLOv5 architecture for the task of flame and smoke detection, as well as how the results change when applying neural network acceleration methods. It was determined that the use of such acceleration methods such as quantization and filter cleaning can significantly increase up the speed of the neural network, while almost no loss in accuracy of operation.</p></sec><sec><title>Conclusions</title><p>Conclusions. As a result of the conducted work, the architecture of the neural network was determined for performing the task of detecting a fire source. Based on the chosen architecture, a neural network was trained to detect flames and smoke in the image. The speed of its work allows to process video stream in real-time without using graphic accelerator.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>компьютерное зрение</kwd><kwd>обнаружение пожаров</kwd><kwd>машинное обучение</kwd><kwd>обнаружение объектов в реальном времени</kwd><kwd>методы квантования и прореживания фильтров</kwd></kwd-group><kwd-group xml:lang="en"><kwd>computer vision</kwd><kwd>fire detection</kwd><kwd>machine learning</kwd><kwd>real-time object detection</kwd><kwd>quantization and filter thinning methods</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">Mazur-Milecka M., Glowacka N., Kaczmarek M., Bujnowski A., Kaszynski M., RuminskiSmart J. City and fire detection using thermal imaging // 14th International Conference on Human System Interaction (HSI). 2021. Pp. 1–7. 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