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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">10.17586/0021-3454-2023-66-7-559-567</article-id><article-id custom-type="elpub" pub-id-type="custom">pribor-133</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>СИСТЕМНЫЙ АНАЛИЗ, УПРАВЛЕНИЕ И ОБРАБОТКА ИНФОРМАЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SYSTEM ANALYSIS, MANAGEMENT AND INFORMATION PROCESSING</subject></subj-group></article-categories><title-group><article-title>Новые устойчивые методы восстановления искаженных изображений</article-title><trans-title-group xml:lang="en"><trans-title>New sustainable methods for distorted image recovering</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>Сизиков</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Sizikov</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Валерий Сергеевич Сизиков - д-р техн. наук, профессор; факультет программной инженерии и компьютерной техники</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Valery S. Sizikov - Dr. Sci., Professor; Faculty of Software Engineering and Computer Technique</p><p> </p></bio><email xlink:type="simple">sizikov2000@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рущенко</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Rushchenko</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нина Геннадиевна Рущенко - канд. техн. наук, доцент; факультет программной инженерии и компьютерной техники</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Nina G. Rushchenko - PhD, Associate Professor; Faculty of Software Engineering and Computer Technique</p><p> </p></bio><email xlink:type="simple">rushchenko@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет ИТМО</institution></aff><aff xml:lang="en"><institution>ITMO University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>27</day><month>11</month><year>2024</year></pub-date><volume>66</volume><issue>7</issue><fpage>559</fpage><lpage>567</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Национальный исследовательский университет ИТМО, 2024</copyright-statement><copyright-year>2024</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/133">https://pribor.ifmo.ru/jour/article/view/133</self-uri><abstract><p>Предложены новые устойчивые методы и алгоритмы реставрации поврежденных (искаженных, испорченных) изображений объектов в результате расфокусировки, размазывания, зашумленности. Тип и параметры повреждения оцениваются разработанным „спектральным способом“ на примере поврежденных снимков Черного моря, после чего выполняется элиминация (устранение) повреждения снимка с помощью устойчивого решения интегральных уравнений методом регуляризации Тихонова и преобразования Фурье. Это позволяет повысить разрешающую способность оптических приборов — фотокамер, телескопов, микроскопов и др. </p></abstract><trans-abstract xml:lang="en"><p>New sustainable methods and algorithms are proposed for recovering object images damaged (distorted, corrupted) as a result of defocusing, spreading, and noising. The type and parameters of damage are estimated by the developed “spectral method”, as demonstrated on the example of distorted images of the Black Sea, and then the image damage is eliminated (removed) based on a stable solution of integral equations using the Tikhonov regularization method and the Fourier transform. The approach makes it possible to increase the resolution of optical instruments - cameras, telescopes, microscopes, etc. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>расфокусировка</kwd><kwd>размазывание</kwd><kwd>зашумленность</kwd><kwd>интегральные уравнения</kwd><kwd>„спектральный способ“ оценки типа и параметров повреждений</kwd><kwd>элиминация (устранение)</kwd><kwd>резекция (повреждение)</kwd><kwd>MatLab</kwd></kwd-group><kwd-group xml:lang="en"><kwd>defocusing</kwd><kwd>spreading</kwd><kwd>noising</kwd><kwd>integral equations</kwd><kwd>“spectral method” for damage type and parameters estimating</kwd><kwd>elimination (removal)</kwd><kwd>resection (damage)</kwd><kwd>MatLab</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">работа выполнена в рамках темы НИР № 620164 „Методы искусственного интеллекта для киберфизических систем“.</funding-statement><funding-statement xml:lang="en">the work was carried out within the framework of research project No. 620164 "Artificial intelligence methods for cyber-physical systems".</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">Gonzalez R. 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