NDLI: Modelling image redundancy

Content Provider	IEEE Xplore Digital Library
Author	Volden, E. Giraudon, G. Berthod, M.
Copyright Year	1995
Description	Author affiliation: Inst. Nat. de Recherche en Inf. et Autom., Sophia Antipolis, France (Volden, E.; Giraudon, G.; Berthod, M.)
Abstract	The authors use the information theory concept of rate of information transmission to define different models of image redundancy. First they apply information theory to a simple model considering an image as a set of isolated pixels. Then, in order not to neglect a pixel's spatial context, they consider the grey level vectors of cliques. They introduce a distance in the grey level space to solve the problem of insufficient statistics for small images. Their third model takes into account the neighbourhood of a pixel by introducing a Markov random field. They have to determine some parameters of the MRF in order to obtain sufficient statistics from standard satellite images, and they propose a measure based on a generalized Ising model. Finally, results for the proposed definitions are presented for some synthetic and a large variety of SPOT XS1, XS2 and XS3 image triples.
Starting Page	2148
Ending Page	2150
File Size	375305
Page Count	3
File Format	PDF
ISBN	0780325672
DOI	10.1109/IGARSS.1995.524132
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-07-10
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pixel Information theory Mutual information Stochastic processes Statistics Probability distribution Histograms Measurement standards Satellites Computer vision
Content Type	Text
Resource Type	Article

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