Image analysis – Image enhancement or restoration – Object boundary expansion or contraction
Patent
1996-11-27
1998-11-03
Rogers, Scott
Image analysis
Image enhancement or restoration
Object boundary expansion or contraction
382262, 382274, 382300, 382131, G06T 530, G06K 946, G06K 954, G06K 956
Patent
active
058321349
ABSTRACT:
The present invention provides a system for performing fast segmentation and image processing for enhanced three dimensional (3-D) visualization of a subject. The present invention automatically extracts unwanted dominant features from images while preserving the desired information. The present invention works especially well with Computed Tomography Angiograms (CTA) for viewing vasculature of a subject's head. Segmenting and removing dominant structures from image data permits visualization techniques such as maximum intensity projection (MIP), surface rendering and volume rendering, to provide enhanced vessel visualization.
REFERENCES:
patent: 5528703 (1996-06-01), Lee
"Three Dimensional Segmentation of MR Images of the Head Using Probability and Connectivity" by H.E. Cline, W.E. Lorensen, R. Kikinis, F. Jolesz, Journal of Computer Assisted Tomography, vol. 14, No. 6, 1037-1045 (1990).
"Semi-Automated Editing of Computed Tomography Sections for Visualization of Vasculature" by S. Shiffman, G. Rubin, and S. Napel, SPIE 2707: 140-151, (1996).
"Warped Matching for Digital Subtraction of CT-Angiography Studies" by A. Bani-Hashemi, A. Krishnan, and S. Samaddar, SPIE 2710: 428-437, (1996).
Alyassin Abdalmajeid Musa
Avinash Gopal Biligeri
General Electric Company
Rogers Scott
Snyder Marvin
Zale Lawrence P.
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