材料科学
生物医学工程
斑点图案
微波食品加热
血管内超声
电介质
超声波
微波成像
热的
生物组织
光学
放射科
医学
光电子学
计算机科学
物理
电信
气象学
作者
Yan Shi,Russell S. Witte,S.M. Milas,Jason H. Neiss,X. C. Chen,Charles A. Cain,Matthew O’Donnell
标识
DOI:10.1177/016173460302500203
摘要
A new imaging method, microwave-induced thermal imaging (MITI), was developed to differentiate tissue based on thermal and dielectric properties. Image contrast depends on temporal strain in tissue, which was determined by one-dimensional speckle tracking using a phase-sensitive, correlation-based technique. The underlying mechanisms were analyzed and experimental results on biologic tissue agreed well with theoretical predictions. Because of its strong contrast between water-bearing and lipid-bearing tissue, the technique may enhance existing intravascular ultrasound (IVUS) imaging systems to identify vulnerable arterial plaque.
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