NDLI: FSM: A new finite sphere method for modeling 3D geometry of the prostate

Content Provider	IEEE Xplore Digital Library
Author	Zaim, A.
Copyright Year	2008
Description	Author affiliation: Intell. & Bioinf. Comput. Sci. Dept., Univ. of Texas at Brownsville, Brownsville, TX (Zaim, A.)
Abstract	Modeling the irregular three dimensional geometry of the prostate in 3D TRUS is an important task useful in a variety of clinical procedures of the prostate such as visualization, prostate volume estimation, treatment planning. Traditionally, the prostate volumetric shape has been often modeled with primitive shapes that oversimplify its complex and deformable structure. In this paper, we present a new model, we call it Finite Sphere Model or FSM, which is composed of variable-size spheres packed inside the prostate volume. This robust method accommodates different prostate shapes and does not need prior knowledge or shape approximation. First, the prostate region is extracted and isolated from the TRUS image. The algorithm applies morphological processing in order to obtain the medial axis of the prostate. Along the medial axis, the prostate space is searched for the optimal number of spheres that can be fitted inside its volume. Finally, small patches left by the algorithm are detected by masking the image with smaller discs until the filling criteria is satisfied. A number of experiments are used to verify the efficiency of the developed model.
Starting Page	2956
Ending Page	2959
File Size	255113
Page Count	4
File Format	PDF
ISBN	9781424417650
ISSN	15224880
DOI	10.1109/ICIP.2008.4712415
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	Solid modeling Shape Ultrasonic imaging Skeleton Image segmentation Cancer Computational geometry Visualization Robustness Filling Finite Sphere Modeling Transrectal Ultrasound Mathematical Morphology
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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