Automatic analysis system for three-dimensional angiograms

William E. Higgins; Wolfgang J. T. Spyra; Ronald A. Karwoski; Erik Leo Ritman M.D.

doi:10.1117/12.45225

1 June 1991 Automatic analysis system for three-dimensional angiograms

William E. Higgins, Wolfgang J. T. Spyra, Ronald A. Karwoski, Erik Leo Ritman M.D.

Proceedings Volume 1445, Medical Imaging V: Image Processing; (1991) https://doi.org/10.1117/12.45225
Event: Medical Imaging '91, 1991, San Jose, CA, United States

Abstract

The fast high-resolution X-ray CT scanner known as the Dynamic Spatial Reconstructor (DSR) has the facility for generating three-dimensional (3-D) coronary angiograms from a single-scan sequence during a nonselective injection of a single bolus of contrast medium. Such angiograms offer a method for visualizing the entire coronary arterial tree from any angle of view and give a possible means for detecting and quantitating coronary arterial stenoses. Previously, a skilled operator had to interact with a tedious workstation-based package to manually delineate the vascular tree and measure vessel cross-sectional areas. We have devised an automatic display-driven system for analyzing a 3-D DSR angiogram. The system consists of two separate menu-driven modules: (1) the Artery Extractor and (2) the Artery Display. The Artery Extractor performs automatic image-processing operations to extract the skeleton of the arterial tree. The Artery Display provides a graphical interface for interacting with the analyzed angiogram; using this interface, the operator can visualize structures in the angiogram and provide cues for making various measurements on the arterial tree.

Citation Download Citation

William E. Higgins, Wolfgang J. T. Spyra, Ronald A. Karwoski, and Erik Leo Ritman M.D. "Automatic analysis system for three-dimensional angiograms", Proc. SPIE 1445, Medical Imaging V: Image Processing, (1 June 1991); https://doi.org/10.1117/12.45225

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