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Proceedings Paper

Transducer elements position calibration in a ring array USCT system
Author(s): Satoshi Tamano; Takashi Azuma; Haruka Imoto; Shu Takagi; Shin-ichiro Umemura; Yoichiro Matsumoto
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Paper Abstract

Development of Ultrasound Computed Tomography (USCT) transducer elements position calibration method was described. USCT experimental system having 1024 ring array transducer elements, diameter of 104mm, electronic High Voltage multiplexer circuits and commercially available ultrasound research platform was used. The result of applying the transducer elements position calibration to the received data, -6dB Tx / Rx beam width was 0.68mm for uncorrected, 0.20mm for corrected. Corrected value was almost same as simulated value. As a result, when reconstructing crosssectional images in the present experimental system, expected a precise image, not only reflection black-and-white images but also sound-of-speed transmission image would be reconstructed.

Paper Details

Date Published: 17 March 2015
PDF: 10 pages
Proc. SPIE 9419, Medical Imaging 2015: Ultrasonic Imaging and Tomography, 94190P (17 March 2015); doi: 10.1117/12.2082323
Show Author Affiliations
Satoshi Tamano, Tohoku Univ. (Japan)
Takashi Azuma, The Univ. of Tokyo (Japan)
Haruka Imoto, The Univ. of Tokyo (Japan)
Shu Takagi, The Univ. of Tokyo (Japan)
Shin-ichiro Umemura, Tohoku Univ. (Japan)
Yoichiro Matsumoto, The Univ. of Tokyo (Japan)

Published in SPIE Proceedings Vol. 9419:
Medical Imaging 2015: Ultrasonic Imaging and Tomography
Johan G. Bosch; Neb Duric, Editor(s)

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