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Paper Abstract and Keywords
Presentation 0000-00-00 00:00
Effects of PSF correction and TOF on image quality and quantification in brain PET images
Yohei Kamikawa, Yasuhiro Kawahara (OUJ)
Abstract (in Japanese) (See Japanese page) 
(in English) It is known that point spread function (PSF) correction and time of flight (TOF) contribute to improve the image quality of PET images. The purpose of this study is to investigate the effects of PSF correction and TOF on the image quality of brain PET images and the measured radioactivity of each pixel. The effect on image quality was evaluated as the sum of the edge intensities, and the sum of the edge intensities increased for PSF correction, TOF, and PSF+TOF. The effects on the pixel value were evaluated by using pixel value curves and by applying the images to the standard brain and dividing it into 11 categories. In the evaluation of the pixel value curve, the peak of the curve increased by more than 16% in all conditions. In contrast, the maximum increase was about 3.8% when applied to the standard brain.
Keyword (in Japanese) (See Japanese page) 
(in English) positoron emission tomography / point spread function correction / time of flight / / / / /  
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Conference Information
Committee HCGSYMPO  
Conference Date 2020-12-15 - 2020-12-17 
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Place (in English) Online 
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Paper Information
Registration To HCGSYMPO 
Conference Code 2020-12-HCGSYMPO 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effects of PSF correction and TOF on image quality and quantification in brain PET images 
Sub Title (in English)  
Keyword(1) positoron emission tomography  
Keyword(2) point spread function correction  
Keyword(3) time of flight  
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1st Author's Name Yohei Kamikawa  
1st Author's Affiliation The Open University of Japan (OUJ)
2nd Author's Name Yasuhiro Kawahara  
2nd Author's Affiliation The Open University of Japan (OUJ)
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