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Proceedings Paper

A study on improvement of lateral resolution in synthetic aperture super-resolution ultrasound imaging
Author(s): Ryoya Kozai; Jing Zhu; Norio Tagawa
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Paper Abstract

Ultrasound imaging is applied to various fields because it is noninvasive and real-time imaging is possible. However, in the field of diagnosis imaging, ultrasound imaging is inferior in resolution to other modalities, so researches to improve resolution are actively conducted. We proposed a method called the SCM (Super resolution FM-Chirp correlation Method) that improves the range resolution based on frequency sweep. In order to improve the frame rate, the SCM was extended to the SA-SCM (Synthetic Aperture-SCM) by incorporating synthetic aperture beamforming using divergent waves in the SCM. However, these methods improve only the range resolution. Therefore, in this study, we aim at high lateral resolution by using F-DMAS (Filtered-Delay Multiply and Sum) of analytic signal representation as the beamforming method.

Paper Details

Date Published: 22 March 2019
PDF: 6 pages
Proc. SPIE 11049, International Workshop on Advanced Image Technology (IWAIT) 2019, 1104939 (22 March 2019); doi: 10.1117/12.2521619
Show Author Affiliations
Ryoya Kozai, Tokyo Metropolitan Univ. (Japan)
Jing Zhu, Tokyo Metropolitan Univ. (Japan)
Norio Tagawa, Tokyo Metropolitan Univ. (Japan)

Published in SPIE Proceedings Vol. 11049:
International Workshop on Advanced Image Technology (IWAIT) 2019
Qian Kemao; Kazuya Hayase; Phooi Yee Lau; Wen-Nung Lie; Yung-Lyul Lee; Sanun Srisuk; Lu Yu, Editor(s)

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