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Emerging Trends in Image Processing, Computer Vision and Pattern Recognition by Hamid R Arabnia, Leonidas Deligiannidis

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Chapter 7

XSET

Image coder based on contrast band-pass filtering

Jaime Moreno1,2; Oswaldo Morales1; Ricardo Tejeida1    1 Superior School of Mechanical and Electrical Engineers, National Polytechnic Institute of Mexico, IPN Avenue, Lindavista, Mexico City, Mexico2 Signal, Image and Communications Department, University of Poitiers, Poitiers, France

Abstract

Noise is fatal to image compression performance because it can be both annoying for the observer and consumes excessive bandwidth when the imagery is transmitted. Some noise, in addition to some numerical redundancy, is removed during the quantization process, but in some circumstances the removed information is easily perceived by the observer, leading to annoying visual artifacts. Perceptual ...

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