| Project/Area Number |
06805034
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| Research Category |
Grant-in-Aid for General Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Research Field |
計測・制御工学
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| Research Institution | IWATE UNIVERSITY |
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Principal Investigator |
TAYAMA Norio IWATE UNIVERSITY,FACULTY OF ENGINEERING,PROFESSOR, 工学部, 教授 (40003850)
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| Project Period (FY) |
1994 – 1995
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| Project Status |
Completed (Fiscal Year 1995)
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| Budget Amount *help |
¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 1995: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1994: ¥1,200,000 (Direct Cost: ¥1,200,000)
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| Keywords | Smooth density distribution / Imaging of section / A few projecting directions / Real time pattern measurement / Singular value decomposition |
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| Research Abstract |
The study is concerned with developing a fast reconstruction method for Cyclotron beam section using projection data from a few directions. The point of this method is rapidly to reconstruct a beam section (64*64) from a few projections, using the Singular Value Decompositions and the Sampling Model Object. In the first year, we investigated a new algorithm for reconstructing high resolution image. The result of computer simulation based on the reconstruction algorithm was good. In the second year, we confirmd image reconstructions experimentally by means of the actual X-ray equipment. We used LED element or condenser for the object reconstructed. Projecting directions were 8. The (64*64) image reconstructed was good. The reconstruction time was only 0.2 Sec.Several experiments using the X-ray equipment made it obvious that there is a possibility that the reconstruction method comes into practical use.
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