| Presentation | 1993/5/26 Image Quality Improvement of Ultrasonic Diffraction Tomography by Optimizing the Surrounding Medium Velocity Akira Yamada, Tatsuhiko Hirai, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | A method is proposed for reducing the artifacts in the ultrasonic diffraction tomography by adjusting the surrounding medium velocity.Thus,contrary requirements are satisfied for minimizing the errors caused by the Rytov′s weak scattering approx imation and the measurement data noise.Both simulative and experimental verifications are given by using a single cylinder and concentric double cylinders as test objects.As a result,fairly good images are obtained by choosing the surrounding medium velocity with optimum value.Furthermore,simulations assuming a human breast object are made to show the applicability of the method to the actual medical diagnosis. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | ultrasonic CT / diffraction tomography / inverse scattering / medical diagnosis |
| Paper # | US93-11 |
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| Conference Information | |
| Committee | US |
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| Conference Date | 1993/5/26(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Vice Chair | |
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| Paper Information | |
| Registration To | Ultrasonics (US) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Image Quality Improvement of Ultrasonic Diffraction Tomography by Optimizing the Surrounding Medium Velocity |
| Sub Title (in English) | |
| Keyword(1) | ultrasonic CT |
| Keyword(2) | diffraction tomography |
| Keyword(3) | inverse scattering |
| Keyword(4) | medical diagnosis |
| 1st Author's Name | Akira Yamada |
| 1st Author's Affiliation | Faculty of Technology,Tokyo University of Agriculture and Technology() |
| 2nd Author's Name | Tatsuhiko Hirai |
| 2nd Author's Affiliation | Faculty of Technology,Tokyo University of Agriculture and Technology |
| Date | 1993/5/26 |
| Paper # | US93-11 |
| Volume (vol) | vol.93 |
| Number (no) | 65 |
| Page | pp.pp.- |
| #Pages | 8 |
| Date of Issue | |