Bone suppression in CT angiography data by region-based multiresolution segmentation

Thomas Blaffert; Rafael Wiemker; Zhong Min Lin

doi:10.1117/12.481309

15 May 2003 Bone suppression in CT angiography data by region-based multiresolution segmentation

Thomas Blaffert, Rafael Wiemker, Zhong Min Lin

Author Affiliations +

Proceedings Volume 5032, Medical Imaging 2003: Image Processing; (2003) https://doi.org/10.1117/12.481309
Event: Medical Imaging 2003, 2003, San Diego, California, United States

Abstract

Multi slice CT (MSCT) scanners have the advantage of high and isotropic image resolution, which broadens the range of examinations for CT angiography (CTA). A very important method to present the large amount of high-resolution 3D data is the visualization by maximum intensity projections (MIP). A problem with MIP projections in angiography is that bones often hide the vessels of interest, especially the scull and vertebral column. Software tools for a manual selection of bone regions and their suppression in the MIP are available, but processing is time-consuming and tedious. A highly computer-assisted of even fully automated suppression of bones would considerably speed up the examination and probably increase the number of examined cases. In this paper we investigate the suppression (or removal) of bone regions in 3D CT data sets for vascular examinations of the head with a visualization of the carotids and the circle of Willis.

Citation Download Citation

Thomas Blaffert, Rafael Wiemker, and Zhong Min Lin "Bone suppression in CT angiography data by region-based multiresolution segmentation", Proc. SPIE 5032, Medical Imaging 2003: Image Processing, (15 May 2003); https://doi.org/10.1117/12.481309

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