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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">sibsutis</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник СибГУТИ</journal-title><trans-title-group xml:lang="en"><trans-title>The Herald of the Siberian State University of Telecommunications and Information Science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-6920</issn><publisher><publisher-name>СибГУТИ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.55648/1998-6920-2023-17-3-12-22</article-id><article-id custom-type="elpub" pub-id-type="custom">sibsutis-792</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>Разработка метода встраивания информации в растровые изображения с помощью интерполяции Лагранжа и кривых Безье</article-title><trans-title-group xml:lang="en"><trans-title>Development of the method for embedding information into raster images using Lagrange interpolation and Bezier curves</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6847-5588</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мерзлякова</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Merzlyakova</surname><given-names>E. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мерзлякова Екатерина Юрьевна - кандидат технических наук, доцент кафедры прикладной математики и кибернетики.</p><p>630102, Новосибирск, ул. Кирова, д. 86, тел. +7 383 2698 272</p></bio><bio xml:lang="en"><p>Ekaterina Y. Merzlyakova - PhD (Engineering), Docent; Docent of the Department of Applied Mathematics and Cybernetics.</p><p>630102, Novosibirsk, Kirov St. 86, phone: +7 383 2698 272</p></bio><email xlink:type="simple">katerina.artist@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский гос. унив. телекоммуникаций и информатики (СибГУТИ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State University of Telecommunications and Information Science (SibSUTIS)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>28</day><month>09</month><year>2023</year></pub-date><volume>17</volume><issue>3</issue><fpage>12</fpage><lpage>22</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мерзлякова Е.Ю., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Мерзлякова Е.Ю.</copyright-holder><copyright-holder xml:lang="en">Merzlyakova E.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://vestnik.sibsutis.ru/jour/article/view/792">https://vestnik.sibsutis.ru/jour/article/view/792</self-uri><abstract><p>Статья посвящена актуальному направлению – стеганографии цифровых изображений с использованием интерполяции. Проведен обзор методов встраивания сообщений в растровые файлы, разработан стеганографический метод встраивания в растровые изображения с использованием интерполяции Лагранжа и формулы кривой Безье по пяти точкам. В данной работе подробно рассмотрен протокол разработанной стегосистемы BCES, проанализированы частные случаи и ограничения метода, получен результат RS-анализа, который показал стегоустойчивость метода BSEC.</p></abstract><trans-abstract xml:lang="en"><p>The article is devoted to the actual direction – steganography of digital images using interpolation. The review of embedding messages methods in raster files is carried out, the steganographic method of embedding in bitmap images using Lagrange interpolation and the Bezier curve formula for five points is developed. In this paper, the protocol of the developed BCES stegosystem is considered in detail, special cases and limitations of the method are analyzed, the result of RS analysis is obtained showing the stability of the BSEC method.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>стеганография</kwd><kwd>цифровые изображения</kwd><kwd>встраивание информации</kwd><kwd>интерполяция</kwd><kwd>стегоанализ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>steganography</kwd><kwd>digital images</kwd><kwd>information embedding</kwd><kwd>interpolation</kwd><kwd>steganalysis</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания № 071-03-2023-001 от 19.01.2023</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">Cachin C. 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