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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Pediatric Surgery</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Pediatric Surgery</journal-title><trans-title-group xml:lang="ru"><trans-title>Детская хирургия</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1560-9510</issn><issn publication-format="electronic">2412-0677</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">803</article-id><article-id pub-id-type="doi">10.17816/ps803</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original Study Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Standardization of color measurement in the medical photography in clinical practice</article-title><trans-title-group xml:lang="ru"><trans-title>Стандартизация колориметрии медицинской фотографии в клинической практике</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-6832-3318</contrib-id><name-alternatives><name xml:lang="en"><surname>Savelyev</surname><given-names>Dmitry S.</given-names></name><name xml:lang="ru"><surname>Савельев</surname><given-names>Дмитрий Сергеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>saveljevds@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9281-6872</contrib-id><contrib-id contrib-id-type="spin">2458-6382</contrib-id><name-alternatives><name xml:lang="en"><surname>Gorodkov</surname><given-names>Sergey Yu.</given-names></name><name xml:lang="ru"><surname>Городков</surname><given-names>Сергей Юрьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine), Assoc. Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доц.</p></bio><email>gorodcov@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6074-9780</contrib-id><contrib-id contrib-id-type="spin">4172-3482</contrib-id><name-alternatives><name xml:lang="en"><surname>Goremykin</surname><given-names>Igor V.</given-names></name><name xml:lang="ru"><surname>Горемыкин</surname><given-names>Игорь Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, проф.</p></bio><email>goremykine@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Saratov State Medical University named after V.I. Razumovsky</institution></aff><aff><institution xml:lang="ru">Саратовский государственный медицинский университет имени В.И. Разумовского</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-10-29" publication-format="electronic"><day>29</day><month>10</month><year>2024</year></pub-date><pub-date date-type="pub" iso-8601-date="2024-11-11" publication-format="electronic"><day>11</day><month>11</month><year>2024</year></pub-date><volume>28</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>460</fpage><lpage>471</lpage><history><date date-type="received" iso-8601-date="2024-05-02"><day>02</day><month>05</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-10-11"><day>11</day><month>10</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Savelyev D.S., Gorodkov S.Y., Goremykin I.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Савельев Д.С., Городков С.Ю., Горемыкин И.В.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Savelyev D.S., Gorodkov S.Y., Goremykin I.V.</copyright-holder><copyright-holder xml:lang="ru">Савельев Д.С., Городков С.Ю., Горемыкин И.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2025-11-11"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://eco-vector.com/for_authors.php#07</ali:license_ref></license></permissions><self-uri xlink:href="https://jps-nmp.ru/jour/article/view/803">https://jps-nmp.ru/jour/article/view/803</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:</bold> For many medical specialties, photography is a routine element of work. Environmental factors equally and significantly influence the interpretation of colour light perception and the quality of photographic recording. Standardization of conditions in medical photography is necessary for subsequent quantitative assessment of the postoperative skin scar by analysing colour coordinates in the RGB system.</p> <p><bold>AIM:</bold> To determine the impact of illumination and shooting distance at colour coordinates when studying unaltered skin.</p> <p><bold>METHODS:</bold> Five volunteers without any skin diseases and no make-up on their facial skin were taken in the study. Skin type by the Fitzpatrick scale was II–III. Digital photography was made with a mobile device camera at distance 30 cm from the subject. For each participant, a series of digital photographs was taken at a distance of 20, 30, 40, 50, 60, 70 cm from the light source. Colour coordinates in the RGB system were measured in the digital graphics editor Adobe Photoshop CS6. Statistical analysis of the obtained data was carried out using Microsoft Office Excel 2019, Phyton 3.11.</p> <p><bold>RESULTS:</bold> The analysis of variance by the ANOVA method was used as a statistical analysis. In order to determine a statistically significant difference between the sets, Tukey HSD test was performed. A total of 1764 coordinates of three colours were subjected to statistical analysis (R=588, G=588, B=588). When constructing a heat map of the cross-correlation of the absolute values of each colour at each distance, taking into account the type of light source among themselves, the data had a strong direct correlation, regardless of the study area. When constructing a linear graph, coordinates of any of the zones were located on the same straight line.</p> <p><bold>CONCLUSION:</bold> Photography conditions were experimentally determined under which the color interpretation of light is constant. Results of the study should be taken into account during medical photography and subsequent color assessment of postoperative skin scars.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Для многих медицинских специальностей фотография — рутинный элемент работы. Факторы внешней среды равнозначно и значимо влияют на интерпретацию цветовосприятия и качество фотофиксации. Стандартизация условий проведения медицинской фотосъёмки необходима для последующей количественной оценки послеоперационного кожного рубца посредством анализа цветовых координат в системе RGB.</p> <p><bold>Цель.</bold> Определить влияние условий освещённости и расстояния съёмки на цветовые координаты при исследовании неизменённой кожи.</p> <p><bold>Методы.</bold> В исследовании приняли участие пять студенток без кожных заболеваний, а также без косметики на коже лица. Тип кожи по Фицпатрику II–III. Цифровая фотосъёмка осуществлялась при помощи камеры мобильного устройства с расстояния 30 см. Для каждой участницы была выполнена серия цифровых фотографий на расстоянии 20, 30, 40, 50, 60, 70 см от источника света. Цветовые координаты в системе RGB измеряли в цифровом графическом редакторе Adobe Photoshop CS6. Статистический анализ полученных данных осуществлялся в программах Microsoft Office Excel 2019 и Phyton 3.11.</p> <p><bold>Результаты.</bold> В качестве метода статистического анализа применялся дисперсионный анализ по методике ANOVA. С целью определения статистически значимого различия между множествами был проведён тест Тьюки. Всего статистическому анализу подверглось 1764 координаты трёх цветов (R=588, G=588, B=588). При построении тепловой карты взаимной корреляции абсолютных значений каждого цвета на каждом из расстояний с учётом типа источника света между собой, данные имели сильную прямую корреляцию вне зависимости от зоны исследования. При построении линейного графика, координаты любой из зон располагались на одной прямой.</p> <p><bold>Заключение.</bold> Экспериментально были определены условия фотосъёмки, при которых цветовая интерпретация света постоянна. Результаты проведённого исследования следует учитывать при медицинской съёмке и последующей цветовой оценке послеоперационных кожных рубцов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>medical photography</kwd><kwd>color coordinates</kwd><kwd>color constancy</kwd><kwd>skin scar assessment</kwd><kwd>colorimetry</kwd><kwd>surgery</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>медицинская фотография</kwd><kwd>цветовые координаты</kwd><kwd>постоянство цвета</kwd><kwd>оценка кожного рубца</kwd><kwd>колориметрия</kwd><kwd>хирургия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Balmanno Squire AJ. Atlas of the diseases of the skin. J.&amp;.A. 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