title: ÐÐµÑÐ¾Ð´Ñ ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ ÐºÐ°ÑÐµÑÑÐ²Ð° Ð² ÐÐ­Ð¢, Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð½ÑÐµ Ð½Ð° Ð¾Ð±ÑÐµÐºÑÐ¸Ð²Ð½Ð¾Ð¹ Ð¸ ÑÑÐ±ÑÐµÐºÑÐ¸Ð²Ð½Ð¾Ð¹ Ð¾ÑÐµÐ½ÐºÐµ ÐºÐ°ÑÐµÑÑÐ²Ð° Ð¸Ð·Ð¾Ð±ÑÐ°Ð¶ÐµÐ½Ð¸Ñ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: PET quality control methods based on objective and subjective image quality assessment
Creators: name: ÐÐµÑÑÑÐºÐ¾Ð²Ð°, ÐÐ½Ð°ÑÑÐ°ÑÐ¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: Ð¨ÑÐ¼
ÐÐ·Ð¾Ð±ÑÐ°Ð¶ÐµÐ½Ð¸Ñ
ÐÐ¸Ð¾ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ñ
Ð¿Ð¾Ð·Ð¸ÑÑÐ¾Ð½Ð½Ð°Ñ ÑÐ¼Ð¸ÑÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ¾Ð¼Ð¾Ð³ÑÐ°ÑÐ¸Ñ
ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ ÐºÐ°ÑÐµÑÑÐ²Ð°
ÑÑÐ±ÑÐµÐºÑÐ¸Ð²Ð½Ð°Ñ Ð¾ÑÐµÐ½ÐºÐ° ÐºÐ°ÑÐµÑÑÐ²Ð°
positron emission tomography
quality control
subjective image quality assurance

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description: The subject of the graduate qualification work is âPET quality control methods based on objective and subjective image quality assessmentâ. The work is devoted to research of image quality control methods in PET. Objective and subjective methods of image quality assessment were explored. Objective image quality assessment is based on analysis of objective quantitative parameters of image quality. Subjective image quality assessment is based on expertsâ opinion about image quality. The study included data of PET images of patients who underwent clinical PET/CT with 18F-FDG, which was received on 12 PET/CT scanners in 9 PET departments. Objective quantitative parameters: noise, SNR, CNR were determined and analyzed within objective image quality assessment. All PET images were visually assessed independently by 28 experts from 8 PET departments within subjective image quality assessment. Each expert graded image quality on 3 criteria (clarity, artifacts, general image quality). As a result, subjective image quality assessment has more opportunities for assessment and comparison quality of images from different PET scanners in comparison with objective quality assessment, but expert quality assessment has some limitations for independently using. Noise is the most promising parameter for PET image quality control. However, image with better parameters value is not always good for clinical application by expertsâ opinion.