Ultrasonic imaging system and method for generating and displayi

Details Ultrasonic imaging system and method for generating and displayi Ultrasonic imaging system and method for generating and displayi

1996-12-30

1999-01-05

Jaworski, Francis J.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600453, A61B 800

Patent

active

058555579

ABSTRACT:
A system interrogates a region with ultrasound and then generates a vector field of values representing the velocity sensed at a plurality of image element positions. Spatial changes in the velocity vector field are then determined and displayed to the user, preferably in real time. The spatial changes include divergence and/or the rotation (also known as "curl") of the velocity vector field. In order to enable display of the vector spatial change information, either magnitude values, projected values, or color-coded vector information may be computed and displayed. In order to reduce the effect of noise on differentiation operations, the system preferably smooths the velocity vector field before, after or at the same time as it determines divergence or rotation.

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Parker, et al.: "A Review of Imaging Techniques for Assessing the Elastic Properties of Tissue," Dept. of Electrical Engineering, Univ. of Rochester, Rochester, NY 14627, 4 Jun. 1996, pp. 1-20.

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