FDTD Parallel Computational Analysis of Grid-Type Scattering Filter Characteristics for Medical X-ray Image Diagnosis
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- Takahashi Koichi
- Aichi University of Technology
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- Miyazaki Yasumitsu
- Aichi University of Technology
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- Goto Nobuo
- Toyohashi University of Technology
Bibliographic Information
- Other Title
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- 医用X線画像診断に関するグリッド型散乱フィルタ特性のFDTD法による並列計算解析
- イヨウ Xセン ガゾウ シンダン ニ カンスル グリッドガタ サンラン フィルタ トクセイ ノ FDTDホウ ニ ヨル ヘイレツ ケイサン カイセキ
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Abstract
X-ray diagnosis depends on the intensity of transmitted and scattered waves in X-ray propagation in biomedical media. X-ray is scattered and absorbed by tissues, such as fat, bone and internal organs. However, image processing for medical diagnosis, based on the scattering and absorption characteristics of these tissues in X-ray spectrum is not so much studied. To obtain precise information of tissues in a living body, the accurate characteristics of scattering and absorption are required. In this paper, X-ray scattering and absorption in biomedical media are studied using 2-dimensional FDTD method. In FDTD method, the size of analysis space is very limited by the performance of available computers. To overcome this limitation, parallel and successive FDTD method is introduced. As a result of computer simulation, the amplitude of transmitted and scattered waves are presented numerically. The fundamental filtering characteristics of grid-type filter are also shown numerically.
Journal
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- IEEJ Transactions on Electronics, Information and Systems
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IEEJ Transactions on Electronics, Information and Systems 127 (12), 1973-1981, 2007
The Institute of Electrical Engineers of Japan
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Details 詳細情報について
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- CRID
- 1390282679582005376
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- NII Article ID
- 10019977926
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- NII Book ID
- AN10065950
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- ISSN
- 13488155
- 03854221
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- NDL BIB ID
- 9287714
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed