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ICMCS
2005
IEEE
122views Multimedia» more  ICMCS 2005»
14 years 3 months ago
Evaluating Perceptually Prefiltered Video
Perceptual prefiltering is the process of enhancing relevant portions of an image or of a video, and of simplifying contextual information in order to improve the perceived quali...
Olivier Steiger, Touradj Ebrahimi, Andrea Cavallar...
IEEEMSP
2002
IEEE
121views Multimedia» more  IEEEMSP 2002»
14 years 2 months ago
Communication-friendly encryption of multimedia
Abstract— This paper discusses encryption operations that selectively encrypt content-carrying segments of multimedia data stream. We propose and analyze three techniques that wo...
Min Wu, Yinian Mao
ICIP
2000
IEEE
14 years 2 months ago
Constrained and Unconstrained Simplification of Image Partitions Encoded with the Method of Transition Points
The encoding of image partitions plays a key role in the overall efficiency of the so-called region-based image coding techniques. Recently, a method based on the novel concept o...
Armando J. Pinho
ICASSP
2011
IEEE
13 years 1 months ago
Group testing meets traitor tracing
This paper links two a priori different topics, group testing and traitor tracing. Group testing, as an instantiation of a compressed sensing problem over binary data, is indeed e...
Peter Meerwald, Teddy Furon
ICASSP
2008
IEEE
14 years 4 months ago
Model-based sparsity projection pursuit for lattice vector quantization
In this work we present an efficient coding scheme suitable for lossy image compression using a lattice vector quantizer (LVQ) based on statistically independent data projections...
Leonardo H. Fonteles, Marc Antonini, Ronald Phlypo