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A Study on the Stiffness Estimation in Soft Tissue Using Speckle Brightness Variance Tracking  

안동기 (대진대학교 전자 및 통신공학과)
박정만 (대진대학교 물리학과)
권성재 (대진대학교 전자 및 통신공학과)
정목근 (대진대학교 전자 및 통신공학과)
Publication Information
Journal of Biomedical Engineering Research / v.24, no.3, 2003 , pp. 141-149 More about this Journal
Abstract
This paper proposes a method of measuring and imaging the stiffness of human soft tissue to diagnose cancers or tumors which have been difficult to detect in ultrasound B-mode imaging systems. To measure the soft tissue stiffness, sinusoidal vibrations are applied to it, and the magnitude of its mechanical vibration is determined by estimating the temporal variation of speckle pattern brightness in ultrasound B-mode images. It is verified by simulation and experiment that the proposed method can estimate the relative tissue stiffness from B-mode images with a relatively small amount of computation.
Keywords
Ultrasonic imaging; Stiffness; Elasticity; Harmonic vibration;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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