NDLI: Dirichlet Markov Random Field Segmentation of Brain MR Images

Content Provider	IEEE Xplore Digital Library
Author	Wentao Wang Cong Chen
Copyright Year	2010
Abstract	Accurate segmentation of magnetic resonance images according to tissue type is widely studded by many researcher, Recently Markov Random Field (MRF) has been used in this area. However the original MRF is supervised. So we introduce a novel approach called Dirichlet Markov Random Field for Magnetic Resonance Image (MRI) brain tissue classification. The approach uses Dirchilet Process Mixture (DPM) to get local information of MRF's energy function. Instead of finite component, DPM use infinite component, in which the prior distribution is defined on the space of all possible distribution. But efficient implementations of the DP mixture model can be slowly to converge and their convergence can be difficult to diagnose with the Markov Chain Monte Carlo (MCMC) methods for sampling from the posterior distribution of the parameters. So this algorithm uses variational Bayesian (VB) approximations to the DP mixture model. Experiment result proved this algorithm can segment the MRI smoothly and accurately.
Starting Page	1
Ending Page	4
File Size	274869
Page Count	4
File Format	PDF
ISBN	9781424447121
ISSN	21517622
DOI	10.1109/ICBBE.2010.5516041
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer science Image segmentation Brain Magnetic resonance imaging Bayesian methods Magnetic resonance Clustering algorithms Educational institutions Nuclear magnetic resonance Markov random fields
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
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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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