Angular dependence of ultrasonic echo from surface with minute roughness

Hideyuki Hasegawa*, Kazuki Kudo, Hiroshi Kanai

*この論文の責任著者

研究成果: 書籍の章/レポート/会議録会議への寄与査読

抄録

Atherosclerosis is the main cause of circulatory diseases, and it is very important to diagnose atherosclerosis in its early stage. In an early stage of atherosclerosis, the luminal surface of an arterial wall becomes rough due to injury of the endothelium. Conventional ultrasonic diagnostic equipments cannot detect such micron-order surface roughness because their spatial resolution is, at most, 100 μm. In this study, for the accurate detection of surface roughness, ultrasonic beams were insonified from various angles relative to the surface of an object that has a micron-order asperity. Then, we focused on the angular dependence of echo amplitude and frequency characteristics. Using this method, it is shown that the angular dependence and frequency characteristics vary when an object has a surface roughness that cannot be detected by conventional B-mode imaging using linear scanning.

本文言語英語
ホスト出版物のタイトル2007 IEEE Ultrasonics Symposium Proceedings, IUS
ページ2511-2514
ページ数4
DOI
出版ステータス出版済み - 2007
イベント2007 IEEE Ultrasonics Symposium, IUS - New York, NY, 米国
継続期間: 2007/10/282007/10/31

出版物シリーズ

名前Proceedings - IEEE Ultrasonics Symposium
ISSN(印刷版)1051-0117

学会

学会2007 IEEE Ultrasonics Symposium, IUS
国/地域米国
CityNew York, NY
Period2007/10/282007/10/31

ASJC Scopus 主題領域

  • 音響学および超音波学

フィンガープリント

「Angular dependence of ultrasonic echo from surface with minute roughness」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル