NDLI: A Markov random fields model for describing unhomogeneous textures: generalized random stereograms

Content Provider	IEEE Xplore Digital Library
Author	Jovovic, M.
Copyright Year	1994
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Miami Univ., Coral Gables, FL, USA (Jovovic, M.)
Abstract	The authors consider a stochastic interpretation of textures composed of textural elements that may not obey any particular ordering relation between them. A two-dimensional Markov random fields (MRF) model is proposed to describe the stochastic character of texture patterns. For a fixed lattice the authors show how unhomogeneous textures can be described. They discuss the evidence of phase transitions in generating such textures. A distance relation based on joint entropy is proposed to measure the statistical interdependence between random variables assigned to the nodes of the two-dimensional network. The form of this function is shown to be suitable as an objective measure of phase transitions when distinct texture regions evolve while cooling "temperature". The examples of unhomogeneous (figure-ground) type of textures which the authors call generalized random stereograms are used to illustrate the model. They discuss the relevance of the model for generating texture patterns for neurophysiological experiments, psychophysical experiments and pattern recognition.<>
Starting Page	269
Ending Page	276
File Size	590746
Page Count	8
File Format	PDF
ISBN	0818658029
DOI	10.1109/BIA.1994.315844
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-06-24
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Markov random fields Stochastic processes Psychology Entropy Phase measurement Cooling Image sequence analysis Image texture analysis Temperature distribution Lattices
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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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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