The edge artifact in the point-spread function-based PET reconstruction at different sphere-to-background ratios of radioactivity

Daisuke Kidera,Ken Kihara,Go Akamatsu,Shohei Mikasa,Takafumi Taniguchi,Yuji Tsutsui,Toshiki Takeshita,Akira Maebatake,Kenta Miwa,Masayuki Sasaki

The edge artifact in the point-spread function-based PET reconstruction at different sphere-to-background ratios of radioactivity

2016

Daisuke Kidera
Ken Kihara
Go Akamatsu
Shohei Mikasa
Takafumi Taniguchi
Yuji Tsutsui
Toshiki Takeshita
Akira Maebatake
Kenta Miwa
Masayuki Sasaki

Objective The aim of this study was to quantitatively evaluate the edge artifacts in PET images reconstructed using the point-spread function (PSF) algorithm at different sphere-to-background ratios of radioactivity (SBRs).

Keywords:

Point spread function
Radiology
Medical physics
Medicine
Positron emission tomography
Signal-to-noise ratio
Nuclear medicine
tomography x ray computed

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