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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-91</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>***</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>***</subject></subj-group></article-categories><title-group><article-title>УСОВЕРШЕНСТВОВАНИЕ МОДЕЛИ ДЛЯ АНАЛИЗА СОДЕРЖАНИЯ ОРГАНИКИ В ПОЧВЕ МЕТОДОМ СПЕКТРОМЕТРИИ В ВИДИМОМ И БЛИЖНЕМ ИК ДИАПАЗОНАХ ЗА СЧЕТ ПРЕДВАРИТЕЛЬНОЙ ОБРАБОТКИ СПЕКТРОВ, ВЫБОРА ОБРАЗЦОВ И ОПТИМИЗАЦИИ ДЛИН ВОЛН</article-title><trans-title-group xml:lang="en"><trans-title>IMPROVEMENTS OF THE VIS-NIRS MODEL IN THE PREDICTION OF SOIL ORGANIC MATTER CONTENT USING SPECTRAL PRETREATMENTS, SAMPLE SELECTION, AND WAVELENGTH OPTIMIZATION</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>Lin</surname><given-names>Z. D.</given-names></name><name name-style="western" xml:lang="en"><surname>Lin</surname><given-names>Z. D.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Wang</surname><given-names>Y. B.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>Y. B.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Wang</surname><given-names>R. J.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>R. J.</given-names></name></name-alternatives><email xlink:type="simple">ybwang@iim.ac.cn</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Wang</surname><given-names>L. S.</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>L. S.</given-names></name></name-alternatives><email xlink:type="simple">ybwang@iim.ac.cn</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Lu</surname><given-names>C. P.</given-names></name><name name-style="western" xml:lang="en"><surname>Lu</surname><given-names>C. P.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Zhang</surname><given-names>Z. Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhang</surname><given-names>Z. Y.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Song</surname><given-names>L. T.</given-names></name><name name-style="western" xml:lang="en"><surname>Song</surname><given-names>L. T.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Liu</surname><given-names>Y. .</given-names></name><name name-style="western" xml:lang="en"><surname>Liu</surname><given-names>Y. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт интеллектуальных машин, Китайская академия наук; Китайский университет науки и технологии; Институт электронной техники</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Intelligent Machines, Chinese Academy of Sciences; University of Science and Technology of China; Electronic Engineering Institute</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт интеллектуальных машин, Китайская академия наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Intelligent Machines, Chinese Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>84</volume><issue>3</issue><elocation-id>509(1)-509(7)</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Lin Z.D., Wang Y.B., Wang R.J., Wang L.S., Lu C.P., Zhang Z.Y., Song L.T., Liu Y..., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Lin Z.D., Wang Y.B., Wang R.J., Wang L.S., Lu C.P., Zhang Z.Y., Song L.T., Liu Y...</copyright-holder><copyright-holder xml:lang="en">Lin Z.D., Wang Y.B., Wang R.J., Wang L.S., Lu C.P., Zhang Z.Y., Song L.T., Liu Y...</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/91">https://zhps.ejournal.by/jour/article/view/91</self-uri><abstract><p>При создании модели для анализа методом спектрометрии в видимом и ближнем ИК диапазонах содержания органических веществ (OMC) в черноземе с известковыми включениями использованы 130 образцов поверхностного слоя почвы, взятых в графстве Гуоян провинции Аньхой, Китай. Для минимизации несоответствующей и бесполезной информации в полученных из спектров данных и повышения степени их корреляции с измеряемыми величинами проведена предварительная обработка спектров. Для выбора обучающего набора использованы метод Кеннарда-Стоуна (KS) и разбиение набора образцов с совместным учетом расстояний по x-y (SPXY). C помощью алгоритма последовательных проекций (SPA) и генетического алгоритма (GA) осуществлена оптимизация длин волн. В итоге построена модель регрессии на главные компоненты (PCR), в которой оптимальное число главных компонент определено с помощью методики перекрестной проверки с исключением по одному. Показано, что комбинация фильтра Савицкого-Голея (SG) для сглаживания и мультипликативной поправки на рассеяние (MSC) может исключить влияние шума и дрейфа базовой линии; метод SPXY имеет преимущество перед KS при выборе образцов; SPA и GA могут значительно уменьшить число переменных по длинам волн и эффективно повысить точность GA и анализа OMC в почве до коэффициентов корреляции (Rcc), среднеквадратичной ошибки предсказания (RMSEP) и остаточной погрешности прогноза (RPD) 0.9316, 0.2142 и 2.3195 соответственно. </p></abstract><trans-abstract xml:lang="en"><p>A total of 130 topsoil samples collected from Guoyang County, Anhui Province, China, were used to establish a Vis-NIR model for the prediction of organic matter content (OMC) in lime concretion black soils. Different spectral pretreatments were applied for minimizing the irrelevant and useless information of the spectra and increasing the spectra correlation with the measured values. Subsequently, the Kennard-Stone (KS) method and sample set partitioning based on joint x-y distances (SPXY) were used to select the training set. Successive projection algorithm (SPA) and genetic algorithm (GA) were then applied for wavelength optimization. Finally, the principal component regression (PCR) model was constructed, in which the optimal number of principal components was determined using the leave-one-out cross validation technique. The results show that the combination of the Savitzky-Golay (SG) filter for smoothing and multiplicative scatter correction (MSC) can eliminate the effect of noise and baseline drift; the SPXY method is preferable to KS in the sample selection; both the SPA and the GA can significantly reduce the number of wavelength variables and favorably increase the accuracy, especially GA, which greatly improved the prediction accuracy of soil OMC with Rcc, RMSEP, and RPD up to 0.9316, 0.2142, and 2.3195, respectively. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>спектроскопия видимого и ближнего ИК диапазонов</kwd><kwd>содержание органических веществ</kwd><kwd>предварительная обработка спектра</kwd><kwd>выбор образца</kwd><kwd>оптимизация длины волны</kwd><kwd>Vis-NIR spectroscopy</kwd><kwd>organic matter content</kwd><kwd>spectral pretreatment</kwd><kwd>sample selection</kwd><kwd>wavelength optimization</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">E. 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