NDLI: Simulated annealing and iterated conditional modes with selective and confidence enhanced update schemes

Content Provider	IEEE Xplore Digital Library
Author	Hu, Y. Dennis, T.J.
Copyright Year	1992
Description	Author affiliation: Essex Univ., Colchester, UK (Hu, Y.; Dennis, T.J.)
Abstract	Proposes a selective update scheme for both SA (simulated annealing) and ICMs (iterated conditional modes) which only visits sites within inhomogeneous neighborhoods. A second scheme is proposed to enhance the update confidence at each site by incorporating contextual information in terms of neighbor label class probability distributions, instead of their current realizations. The two update schemes reduce the computation demand and improve estimation accuracy. Both schemes are tested on a noise-contaminated Markov random field test image. The results show that ICM and SA with selective update achieve a computational savings of five times on average, without introducing noticeable degradation. The confidence enhanced update scheme, working with SA and ICM, much improves the final estimation accuracy. In particular for ICM, it produces similar results to those of SA, but uses only a fraction of the iterations needed by the latter.<>
Starting Page	257
Ending Page	264
File Size	454213
Page Count	8
File Format	PDF
ISBN	0818627425
DOI	10.1109/CBMS.1992.244940
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-06-14
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Simulated annealing Image segmentation Stochastic processes Probability distribution Markov random fields Maximum a posteriori estimation Computational modeling Computer vision Image processing Strontium
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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