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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">vestift</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-технических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physical-technical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8358</issn><issn pub-type="epub">2524-244X</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8358-2021-66-4-496-504</article-id><article-id custom-type="elpub" pub-id-type="custom">vestift-706</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>ИНФОРМАЦИОННЫЕ ТЕХНОЛОГИИ И СИСТЕМЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INFORMATION TECHNOLOGIES AND SYSTEMS</subject></subj-group></article-categories><title-group><article-title>Методика и аппаратные средства оценки количественных характеристик ПЭТ-изображений при исследовании динамических объектов</article-title><trans-title-group xml:lang="en"><trans-title>Methodology and hardware for assessing the quantitative characteristics of pet images in the study of dynamic objects</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>Емельяненко</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Emelyanenko</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Емельяненко Евгений Владимирович – аспирант, инженер лаборатории позитронно-эмиссионной томографии</p><p>аг. Лесной, 223040, Минский район, Минская область, Республика Беларусь</p></bio><bio xml:lang="en"><p>Evgeniy V. Emelianenko – Postgraduate Student, Engineer of the Positron Emission Tomography Laboratory</p><p>23/1, Dolgobrodskaya Str., 220070, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">zheka-ava@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>Петкевич</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Piatkevich</surname><given-names>M. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Петкевич Максим Николаевич – аспирант</p><p>ул. Долгобродская, 23/1, 220070, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Maksim N. Piatkevich – Postgraduate Student</p><p>23/1, Dolgobrodskaya Str., 220070, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">MaxPetkevichN@gmail.com</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>Тарутин</surname><given-names>И. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Tarutin</surname><given-names>I. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тарутин Игорь Германович – доктор технических наук, профессор, главный научный сотрудник лаборатории лучевой терапии</p><p>аг. Лесной, 223040, Минский район, Минская область, Республика Беларусь</p></bio><bio xml:lang="en"><p>Igor G. Tarutin – D. Sc. (Engineering), Professor, Chief Researcher of the Department of Radiation Therapy</p><p>agrotownLesnoy, 223040, Minsk Disrtict, Minsk Region, Republic of Belarus</p></bio><email xlink:type="simple">itarutin@tut.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Республиканский научно-практический центр онкологии и медицинской радиологии имени Н. Н. Александрова</institution></aff><aff xml:lang="en"><institution>N. N. Aleksandrov National Cancer Center, agrotown Lesnoy</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Международный государственный экологический институт имени А. Д. Сахарова Белорусского государственного университета</institution></aff><aff xml:lang="en"><institution>International Sakharov Environmental Institute of Belarusian State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>26</day><month>12</month><year>2021</year></pub-date><volume>66</volume><issue>4</issue><fpage>496</fpage><lpage>504</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Емельяненко Е.В., Петкевич М.Н., Тарутин И.Г., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Емельяненко Е.В., Петкевич М.Н., Тарутин И.Г.</copyright-holder><copyright-holder xml:lang="en">Emelyanenko E.V., Piatkevich M.N., Tarutin I.G.</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://vestift.belnauka.by/jour/article/view/706">https://vestift.belnauka.by/jour/article/view/706</self-uri><abstract><p>Приведено описание оригинальной конструкции фантома для оценки количественных характеристик ПЭТ-изображений при исследовании динамических объектов. Движение фантома контролируется системой синхронизации дыхания, которая фиксирует амплитуду движения фантома и длительность цикла движения. Получена кривая, имитирующая дыхание человека, параметры которой (амплитуда и период), соответствуют показателям, получаемым при исследовании грудной клетки. Установлены значения коэффициентов восстановления и контраста с учетом размеров сфер, а также статического и динамического типов движения фантомов. Произведена оценка несоответствия коэффициентов восстановления и значений контраста для сфер, установленных внутрь фантома в статическом и динамическом состояниях. С уменьшением диаметра (соответственно, и объема) сферы наблюдается возрастание разницы значений (между статическим и динамическим положениями фантома) коэффициента восстановления. Определены оптимальные значения коэффициентов восстановления, получаемых при использовании реконструкционного алгоритма QClear. Описаны рекомендации по применению разработанного устройства при исследовании динамических объектов. Представленную в данной работе установку целесообразно использовать для контроля качества качественных и количественных характеристик диагностических изображений, получаемых как на ПЭТ/КТ сканерах, так и при проведении исследований с использованием ОФЭКТ/КТ (однофотонный эмиссионный томограф, совмещенный с компьютерным томографом).</p></abstract><trans-abstract xml:lang="en"><p>The description of the original phantom design for assessing the quantitative characteristics of PET images in the study of dynamic objects is given. The phantom movement is controlled by the breath synchronization system, which records the phantom movement amplitude and the duration of the movement cycle. A curve was obtained that simulates human breathing, the parameters of which (amplitude and period) correspond to those obtained in the study of the chest. The values of the ecovery coefficients and contrast are obtained taking into account the sizes of the spheres, as well as the static and dynamic types of movement of phantoms. An assessment of the discrepancy between the recovery coefficients and the contrast values for the spheres installed inside the phantom in the static and dynamic states has been made. With a decrease in the diameter (respectively, and volume) of the sphere, an increase in the difference in values (between the static and dynamic positions of the phantom) of the recovery coefficient is observed. The optimal values of the recovery coefficients obtained using the QClear reconstruction algorithm have been determined. Recommendations for the use of the developed device in the study of dynamic objects are described. It is advisable to use the installation presented in this work to control the quality of the qualitative and quantitative characteristics of diagnostic images obtained both on PET/CT scanners and during studies using SPECT/CT (single-photon emission tomograph combined with a computed tomograph).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>контраст</kwd><kwd>фантом</kwd><kwd>коэффициент восстановления</kwd><kwd>дыхательные движения</kwd><kwd>реконструкционный алгоритм</kwd><kwd>качество изображения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>contrast</kwd><kwd>phantom</kwd><kwd>recovery factor</kwd><kwd>respiratory movements</kwd><kwd>reconstruction algorithm</kwd><kwd>image quality</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">Dual-modality PET/CT imaging: the effect of respiratory motion on combined image quality in clinical oncology / T. 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