Development of integrated calibration assistant tool for Pixel-PSPMT type gamma camera

Toshio Modegi*, S. Koyasu, H. Mashino, S. Yamamoto, H. Iida

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

We are developing small animal PET/ SPECT scanner systems and high-definition small pixel-PSPMT type gamma cameras for them. These sensors are causing problems such as two-dimensional spatial nonlinearity, ununiformity and vagueness of pixel areas in scintillated images by unbalanced PMT gains or additional scattered photons’ influences. For overcoming these problems, we are providing look-up table type image correction units in the cameras. In order to determine appropriate image correction LUT data efficiently, we propose an assistant tool, which provides either automatic or interactive functions for designing correction tables. In this paper, we describe several features of our developed tool, and results of comparative experiments among four types of XYdimensional geometric correction methods supported by our tool.

Original languageEnglish
Title of host publicationIFMBE Proceedings
EditorsSun I. Kim, Tae Suk Suh
PublisherSpringer Verlag
Pages1704-1707
Number of pages4
Edition1
ISBN (Print)9783540368397
DOIs
Publication statusPublished - 2007
Externally publishedYes
Event10th World Congress on Medical Physics and Biomedical Engineering, WC 2006 - Seoul, Korea, Republic of
Duration: 2006 Aug 272006 Sep 1

Publication series

NameIFMBE Proceedings
Number1
Volume14
ISSN (Print)1680-0737
ISSN (Electronic)1433-9277

Other

Other10th World Congress on Medical Physics and Biomedical Engineering, WC 2006
Country/TerritoryKorea, Republic of
CitySeoul
Period06/8/2706/9/1

Keywords

  • Calibration
  • Gamma camera
  • Pixel array crystal
  • PSPMT
  • Scintillation

ASJC Scopus subject areas

  • Bioengineering
  • Biomedical Engineering

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