NDLI: Incorporation of derivative priors in adaptive Bayesian color image segmentation

Content Provider	IEEE Xplore Digital Library
Author	Jiebo Luo Gray, R.T. Hsien-Che Lee
Copyright Year	1998
Description	Author affiliation: Imaging Res. & Adv. Dev., Eastman Kodak Co., Rochester, NY, USA (Jiebo Luo)
Abstract	In this study, we attempt to incorporate derivative measures into the scheme of adaptive Bayesian color image segmentation, and provide a unified perspective of region-based and edge-based statistical forces in segmentation. The standard Gibbs random field (GRF) is extended from being determined only by intensity (color) values, i.e., the zero-order derivatives, to also incorporating the first- and second-order derivatives. In particular, a significant first-order derivative accounts for discontinuities to help (1) obtain precise definition of region boundaries, and (2) overcome undesirable under-segmentation caused by the over-smoothing effect often introduced by a standard GRF; an insignificant second-order derivative necessitates stronger homogeneity constraints to help (1) further eliminate small segments caused by noise variations in statistically coherent regions, and (2) overcome undesirable over-segmentation of statistically ramp-like regions. Through balancing the three statistical forces derived from the zero-, first- and second-order derivatives, one can achieve physically and psychophysically more coherent image segmentation.
Starting Page	780
Ending Page	784
File Size	1043701
Page Count	5
File Format	PDF
ISBN	0818688211
DOI	10.1109/ICIP.1998.727372
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-10-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bayesian methods Color Image segmentation Force measurement Psychology
Content Type	Text
Resource Type	Article

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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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