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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">sibvest</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский вестник сельскохозяйственной науки</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian Herald of Agricultural Science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0370-8799</issn><issn pub-type="epub">2658-462X</issn><publisher><publisher-name>Siberian Federal Scientific Centre of Agro-BioTechnologies of the Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26898/0370-8799-2021-2-13</article-id><article-id custom-type="elpub" pub-id-type="custom">sibvest-797</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>ИЗ ДИССЕРТАЦИОННЫХ РАБОТ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>FROM DISSERTATIONS</subject></subj-group></article-categories><title-group><article-title>Оценка степени поражения растений болезнями методами компьютерного зрения</article-title><trans-title-group xml:lang="en"><trans-title>Plant disease severity estimation by computer vision methods</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>Алтухов</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Altukhov</surname><given-names>V. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Младший научный сотрудник, аспирант.</p><p>630501, Новосибирская область, р.п. Краснообск; СФНЦА РАН, а/я 463.</p></bio><bio xml:lang="en"><p>Viktor G. Altukhov - Junior Researcher, Postgraduate Student.</p><p>PO Box 463, SFSCA RAS, Krasnoobsk, Novosibirsk Region, 630501.</p></bio><email xlink:type="simple">vgaltukhov@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский федеральный научный центр агробиотехнологий Российской академии наук; Новосибирский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian Federal Scientific Centre of Agro-BioTechnologies of the Russian Academy of Sciences; Novosibirsk State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>06</day><month>06</month><year>2021</year></pub-date><volume>51</volume><issue>2</issue><fpage>107</fpage><lpage>112</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Алтухов В.Г., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Алтухов В.Г.</copyright-holder><copyright-holder xml:lang="en">Altukhov V.G.</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://sibvest.elpub.ru/jour/article/view/797">https://sibvest.elpub.ru/jour/article/view/797</self-uri><abstract><p>Представлены результаты первого этапа исследования в рамках диссертационной работы «Исследование методов и алгоритмов компьютерного зрения в области выявления болезней растений». Проведен анализ работ, связанных с автоматической оценкой степени поражения растений болезнями. Установлено, что для решения задач в данной области перспективными методами являются сверточные нейронные сети, которые в настоящее время по точности превосходят классические методы компьютерного зрения. Для оценки степени поражения используются классификационные и сегментационные архитектуры сверточных нейронных сетей. При этом, классификационные архитектуры способны учитывать визуальные особенности признаков болезней на разных стадиях заболевания, но с их помощью нельзя получить информацию о фактической площади поражения. Решения, основанные на сегментационных архитектурах, позволяют получить информацию о площади поражения, но не проводят градацию степени поражения по видимым признакам болезни. На основании проведенного анализа существующих работ, основанных на применении сверточных нейронных сетей и вариантов их использования, определена цель настоящего исследования: разработать автоматическую систему, способную определять площадь поражения, а также учитывать визуальные особенности признаков заболевания и тип иммунологической реакции растения на разных стадиях развития. Планируется построить систему на основе сегментационной архитектуры сверточной нейронной сети, которая будет производить мультиклассовую сегментацию изображений. Такая сеть способна разделять пиксели изображения на несколько классов: фон, здоровая область листа, пораженная область листа. В свою очередь класс «пораженная область» будет включать в себя несколько подклассов, соответствующих визуальным особенностям заболевания на разных стадиях развития.</p></abstract><trans-abstract xml:lang="en"><p>The first stage results within the framework of the thesis “Investigation of computer vision methods and algorithms in the field of plant diseases detection” are presented. The analysis of the work related to the automatic assessment of plant disease severity was carried out. It was established that for solving problems in this field, convolution neural networks are promising methods, which are currently superior to classical methods of computer vision in terms of accuracy. To assess the severity degree, classification and segmentation architectures of convolutional neural networks are used. Classification architectures are able to take into account disease visual features at different stages of the disease development, but information about the actual affected area is unavailable. On the other hand, solutions based on segmentation architectures provide actual data on the lesion area, but do not grade severity levels according to disease visual features. Based on the result of the research into the application of convolutional neural networks and options for their use, the goal of this study was determined, which is to develop an automatic system capable of determining the lesion area, as well as to take into account disease visual features and the type of immunological reaction of the plant at different stages of disease progress. It is planned to build a system based on the segmentation architecture of a convolutional neural network, which will produce multi-class image segmentation. Such a network is able to divide image pixels into several classes: background, healthy leaf area, affected leaf area. In turn, the class "affected leaf area" will include several subclasses corresponding to the disease visual features at different stages of disease progress.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>болезни растений</kwd><kwd>степень поражения растений</kwd><kwd>компьютерное зрение</kwd><kwd>сверточные нейронные сети</kwd><kwd>классификация</kwd><kwd>сегментация</kwd><kwd>разметка датасета</kwd></kwd-group><kwd-group xml:lang="en"><kwd>plants diseases</kwd><kwd>plant disease severity</kwd><kwd>computer vision</kwd><kwd>convolutional neural networks</kwd><kwd>classification</kwd><kwd>segmentation</kwd><kwd>dataset markup</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">Zhang N., Yang G., Pan Y., Yang X., Chen L., Zhao C. 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