Method and apparatus for adaptive cross-sectional area computati

Details Method and apparatus for adaptive cross-sectional area computati Method and apparatus for adaptive cross-sectional area computati

1998-10-02

2000-09-19

Kamm, William E.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

A61B 800

Patent

active

061204455

ABSTRACT:
According to the invention, an object in an ultrasound image is characterized by considering various in-vivo object parameters and their variability within the ultrasonic imaging data. Specifically, it is assumed that the object may be defined in terms of statistical properties (or object identifying parameters), which are consistently different from properties of the environment. Such properties are referred to as the object's signature. The statistical properties are calculated at selected locations within the image to determine if they fall within a predetermined range of values which represents the object. If within the range, the locations are marked to indicate they are positioned within the object. A border may then be drawn around the object and the area calculated.

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patent: 5417215 (1995-05-01), Evans et al.
T. Spencer, M.P. Ramo et al., "Characterisation of Atherosclerotic Plaque by Spectral Analysis of 30 MHZ Intravascular Ultrasound Radio Frequency Data", 1996 IEEE Ultrasonics Symposium.
Athina P. Petropulu, Ray Wang and Katherine Piccoli, "Modeling the Ultrasound Backscattered Signal Using .alpha.-Stable Distributions", 1996 IEEE Ultrasonics Symposium.
Frederic L. Lizzi, "New Developments in Ultrasonic Tissue Characterization" Acoustical Imaging, vol. 19, H. Ermert & H. P. Harjes, Ed., Plenum Press, New York, 1992.

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