Current Topics in Artificial Intelligence

Volume 4177 of the series Lecture Notes in Computer Science pp 261-268

Image Disorder Characterization Based on Rate Distortion

  • Claudia IancuAffiliated with”Politehnica” University Bucharest
  • , Inge GavatAffiliated with”Politehnica” University Bucharest
  • , Mihai DatcuAffiliated withGerman Aerospace Center DLR

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Rate distortion theory is one of the areas of information transmission theory with important applications in multimodal signal processing, as for example image processing, information bottleneck and steganalysis. This article present an image characterization method based on rate distortion analysis in the feature space. This space is coded using clustering as vector quantization (k-means). Since image information usually cannot be coded by single clusters, because there are image regions corresponding to groups of clusters, the rate and distortion are specifically defined. The rate distortion curve is analyzed, extracting specific features for implementing a database image classification system.