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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">bsuir</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады БГУИР</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady BGUIR</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7648</issn><issn pub-type="epub">2708-0382</issn><publisher><publisher-name>БГУИР</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35596/1729-7648-2021-19-7-13-21</article-id><article-id custom-type="elpub" pub-id-type="custom">bsuir-3203</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>ЭЛЕКТРОНИКА, РАДИОФИЗИКА, РАДИОТЕХНИКА, ИНФОРМАТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ELECTRONICS, RADIOPHYSICS, RADIOENGINEERING, INFORMATICS</subject></subj-group></article-categories><title-group><article-title>Сравнительный численный анализ байесовского решающего правила и вероятностной нейронной сети для распознавания образов</article-title><trans-title-group xml:lang="en"><trans-title>Comparative numerical analysis of Bayesian decision rule and probabilistic neural network for pattern recognition</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>Муха</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukha</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Муха В.С., д.т.н., профессор, профессор кафедры информационных технологий автоматизированных систем</p><p>220013, Минск, ул. П. Бровки, 6</p><p>тел. +375-17-293-88-23</p></bio><bio xml:lang="en"><p>Mukha V.S., D.Sc., Professor, Professor at the Department of Automated Data Processing Systems</p><p>Minsk</p></bio><email xlink:type="simple">mukha@bsuir.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет информатики и радиоэлектроники</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>24</day><month>11</month><year>2021</year></pub-date><volume>19</volume><issue>7</issue><fpage>13</fpage><lpage>21</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Муха В.С., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Муха В.С.</copyright-holder><copyright-holder xml:lang="en">Mukha V.S.</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://doklady.bsuir.by/jour/article/view/3203">https://doklady.bsuir.by/jour/article/view/3203</self-uri><abstract><p>В настоящее время для решения многих задач все чаще используются нейронные сети (НС) вместо традиционных методов их решения. Это предполагает сравнение нейронной сети и традиционного метода на конкретных задачах. В данной работе выполняется компьютерное моделирование Байесовского решающего правила (БРП) и вероятностной нейронной сети с целью сравнения их операционных характеристик по распознаванию гауссовских образов. Моделировалось распознавание четырех и шести образов (классов) с числом признаков от 1 до 6 в случаях, когда образы хорошо и плохо разделены. Размеры обучающей и тестовой выборок выбраны достаточно большими: 500 реализаций для каждого образа. Анализировались такие характеристики, как время обучения решающего правила, время распознавания тестовой выборки, достоверность распознавания тестовой выборки, достоверность распознавания обучающей выборки. В рамках данных условий установлено, что достоверность распознавания тестовой выборки в случае хорошо разделяемых образов с любым числом признаков близка к 100 % для нейронной сети и БРП. Для плохо разделяемых образов нейронная сеть проигрывает Байесовскому решающему правилу по достоверности распознавания тестовой выборки на 0,1–16 %. Время обучения нейронной сети превышает время обучения Байесовского решающего правила в 4–5 раз, а время распознавания – в 4–6 раз. В результате не обнаружено явных преимуществ вероятностной нейронной сети по сравнению с классическим Байесовским решающим правилом в задаче распознавания гауссовских образов. Для негауссовских образов альтернативой нейронной сети может быть существующее обобщение Байесовского решающего правила.</p></abstract><trans-abstract xml:lang="en"><p>At present, neural networks are increasingly used to solve many problems instead of traditional methods for solving them. This involves comparing the neural network and the traditional method for specific tasks. In this paper, computer modeling of the Bayesian decision rule and the probabilistic neural network is carried out in order to compare their operational characteristics for recognizing Gaussian patterns. Recognition of four and six images (classes) with the number of features from 1 to 6 was simulated in cases where the images are well and poorly separated. The sizes of the training and test samples are chosen quiet big: 500 implementations for each image. Such characteristics as training time of the decision rule, recognition time on the test sample, recognition reliability on the test sample, recognition reliability on the training sample were analyzed. In framework of these conditions it was found that the recognition reliability on the test sample in the case of well separated patterns and with any number of the instances is close to 100 percent for both decision rules. The neural network loses 0,1–16 percent to Bayesian decision rule in the recognition reliability on the test sample for poorly separated patterns. The training time of the neural network exceeds the training time of the Bayesian decision rule in 4–5 times and the recognition time – in 4–6 times. As a result, there are no obvious advantages of the probabilistic neural network over the Bayesian decision rule in the problem of Gaussian pattern recognition. The existing generalization of the Bayesian decision rule described in the article is an alternative to the neural network for the case of non-Gaussian patterns.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нейронная сеть</kwd><kwd>распознавание образов</kwd><kwd>Байесовское решающее правило</kwd><kwd>гауссовские образы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>neural network</kwd><kwd>pattern recognition</kwd><kwd>Bayesian decision rule</kwd><kwd>gaussian patterns</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">Головинов А.О., Климова Е.Н. Преимущества нейронных сетей перед традиционными алгоритмами. Экспериментальные и теоретические исследования в современной науке. Сборник статей по материалам V международной научно-практической конференции. Новосибирск: Изд. 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