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Improvement of image quality using interpolated projection data estimation method in SPECT |
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| Authors: | Akihiro Takaki Tsutomu Soma Akihiro Kojima Kimie Asao Shinya Kamada Masanori Matsumoto Kenya Murase |
| Affiliation: | (1) Department of Medical Physics and Engineering, Division of Medical Technology and Science, Course of Health Science, Graduate School of Medicine, Osaka University, Osaka, Japan;(2) Clinical Application Technology Department, FUJIFILM RI Pharma Co., Ltd, 1-17-10 Kyobashi, Chuo-ku, Tokyo 104-0031, Japan;(3) Institute of Resource Development and Analysis, Kumamoto University, Kumamoto, Japan;(4) Department of Radiology, Kyushu Central Hospital of the Mutual Aid Association of Public School Teachers, Fukuoka, Japan;(5) Department of Radiology, Akita City Hospital, Akita, Japan;(6) Course of Radiological Sciences, Kumamoto University School of Health Sciences, Kumamoto, Japan |
| Abstract: | ObjectiveGeneral data acquisition for single photon emission computed tomography (SPECT) is performed in 90 or 60 directions, with a coarse pitch of approximately 4–6° for a rotation of 360° or 180°, using a gamma camera. No data between adjacent projections will be sampled under these circumstances. The aim of the study was to develop a method to improve SPECT image quality by generating lacking projection data through interpolation of data obtained with a coarse pitch such as 6°. |
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