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

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• 作者：Daisuke Kidera ; Ken Kihara ; Go Akamatsu ; Shohei Mikasa…
• 关键词：Edge artifact ; Point ; spread function ; PET
• 刊名：Annals of Nuclear Medicine
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：30
• 期：2
• 页码：97-103
• 全文大小：481 KB
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• 作者单位：Daisuke Kidera (1)
  Ken Kihara (1)
  Go Akamatsu (1)
  Shohei Mikasa (1)
  Takafumi Taniguchi (1)
  Yuji Tsutsui (2)
  Toshiki Takeshita (1)
  Akira Maebatake (1)
  Kenta Miwa (1)
  Masayuki Sasaki (1)
  
  1. Division of Medical Quantum Science, Department of Health Sciences, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
  2. Division of Radiology, Department of Medical Technology, Kyushu University Hospital, Fukuoka, Japan
  
• 刊物主题：Nuclear Medicine; Imaging / Radiology;
• 出版者：Springer Japan
• ISSN：1864-6433

文摘

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).