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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-722</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Метод точного распознавания образов космических целей с помощью нечетко-приблизительного алгоритма ближайшего соседа по информационной энтропии</article-title><trans-title-group xml:lang="en"><trans-title>Method for fine pattern recognition of space targets using the entropy weight fuzzy-rough nearest neighbor algorithm</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>Li</surname><given-names>Q.-B.</given-names></name><name name-style="western" xml:lang="en"><surname>Li</surname><given-names>Q.-B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пекин 100191.</p></bio><bio xml:lang="en"><p>Qing-bo Li.Beijing 100191.</p></bio><email xlink:type="simple">qbleebuaa@buaa.edu.cn</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>Wei</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Wei</surname><given-names>Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пекин 100191.</p></bio><bio xml:lang="en"><p>Yuan Wei.Beijing 100191.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Li</surname><given-names>W.-J.</given-names></name><name name-style="western" xml:lang="en"><surname>Li</surname><given-names>W.-J.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пекин 100191.</p></bio><bio xml:lang="en"><p>Wen-jie Li.Beijing 100191.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Школа приборостроения и оптоэлектронной инженерии Бейханского университета</institution></aff><aff xml:lang="en"><institution>School of Instrumentation and Optoelectronic Engineering at Precision Opto-Mechatronics Technology Key Laboratory of Education Ministry at Beihang University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>27</day><month>11</month><year>2020</year></pub-date><volume>87</volume><issue>6</issue><fpage>886</fpage><lpage>890</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Li Q., Wei Y., Li W., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Li Q., Wei Y., Li W.</copyright-holder><copyright-holder xml:lang="en">Li Q., Wei Y., Li W.</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://zhps.ejournal.by/jour/article/view/722">https://zhps.ejournal.by/jour/article/view/722</self-uri><abstract><p>Предлагается нечетко-приблизительный алгоритм ближайшего соседа по информационной энтропии (EFRNN) для повышения точности распознавания похожих космических целей, который является улучшением алгоритма нечеткого ближайшего соседа. Путем введения веса признака, определенного с использованием информационной энтропии, рассматриваются и количественно оцениваются характеристики всех обучающих выборок. Предложенный алгоритм в сочетании с теорией нечетких множеств может в определенной степени преодолеть нечеткую неопределенность, вызванную перекрытием классов, и грубую неопределенность, вызванную недостаточными функциями. Результаты моделирования показывают, что классификатор EFRNN дает общую точность классификации 95.83%. Предлагаемый алгоритм прост и эффективен для распознавания похожих космических целей, не требует предустановленных параметров и сложной предварительной обработки.</p><p> </p></abstract><trans-abstract xml:lang="en"><p>In space target recognition using spectral analysis technology, there is the problem that the composition or chemical properties of surface materials of the space target are similar. This problem leads to the high similarity of spectral curves and low accuracy of space target recognition. Similar object recognition is important in the study of actual space target observation. In this paper, an entropy weight fuzzy-rough nearest neighbor (EFRNN) algorithm is proposed to enhance the recognition accuracy of similar space targets, which is an improvement of the fuzzy-rough nearest neighbor algorithm. By introducing the feature weight determined using information entropy, the features of all the training samples are considered and quantified. Moreover, the proposed algorithm combined with fuzzy-rough set theory can overcome the fuzzy uncertainty caused by overlapping classes and the rough uncertainty caused by insufficient features, to a certain extent. The simulation results show that the proposed algorithm achieves very promising performance compared with existing algorithms. The EFRNN classifier yields an overall classification accuracy of 95.83%. The proposed algorithm is simple and efficient for similar space target recognition. Furthermore, the EFRNN algorithm does not require preset parameters and complex preprocessing.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>точное распознавание образов</kwd><kwd>энтропийный вес</kwd><kwd>нечеткое множество</kwd><kwd>космические цели</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fine pattern recognition</kwd><kwd>entropy weight</kwd><kwd>fuzzy-rough set</kwd><kwd>space targets</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The work is supported by the National Natural Science Foundation of China (Grant No. 61575015).</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">Y. Han, H. Sun, J. Feng, L. Li, Meas. Sci. Technol., 25, No. 7, 075203 (2014).</mixed-citation><mixed-citation xml:lang="en">Y. Han, H. Sun, J. Feng, L. Li, Meas. Sci. 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