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Content Provider | IEEE Xplore Digital Library |
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Author | Dongqing Chen Farag, A.A. Falk, R.L. Dryden, G.W. |
Copyright Year | 2008 |
Description | Author affiliation: Jewish Hosp., Louisville, KY (Falk, R.L.) || Dept. of Electr. & Comput. Eng., Univ. of Louisville, Louisville, KY (Dongqing Chen; Farag, A.A.) || Div. of Gastroenterology/Hepatology, Univ. of Louisville, Louisville, KY (Dryden, G.W.) |
Abstract | In this paper, we propose a novel anisotropic 3D surface evolution model for detecting protrusion shape based colonic polyp on the curved surface. The important feature of the proposed model is that it can detect protrusions with both convex and concave shapes. Protrusion shapes are defined as the extension beyond the usual limits or above a plane surface. Based on Gaussian and mean curvature flows, the approach works by locally deforming the convex or concave surface until the second principal curvature goes to zero. The diffusion directions are changed to prevent convex surfaces from converting into concave shapes, and vice versa. The deformation field quantitatively measures the amount of protrudeness. The proposed method has been evaluated by using synthetic phantoms and real colon datasets. |
Starting Page | 2988 |
Ending Page | 2991 |
File Size | 605587 |
Page Count | 4 |
File Format | |
ISBN | 9781424417650 |
ISSN | 15224880 |
DOI | 10.1109/ICIP.2008.4712423 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2008-10-12 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Colonic polyps Virtual colonoscopy 3D Shape Representation Colorectal Cancer CT Colonography Curvature Flow |
Content Type | Text |
Resource Type | Article |
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