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STACS
2009
Springer
15 years 4 months ago
Compressed Representations of Permutations, and Applications
We explore various techniques to compress a permutation π over n integers, taking advantage of ordered subsequences in π, while supporting its application π(i) and the applicat...
Jérémy Barbay, Gonzalo Navarro
DATE
2005
IEEE
172views Hardware» more  DATE 2005»
15 years 3 months ago
Evolutionary Optimization in Code-Based Test Compression
We provide a general formulation for the code-based test compression problem with fixed-length input blocks and propose a solution approach based on Evolutionary Algorithms. In c...
Ilia Polian, Alejandro Czutro, Bernd Becker
CRYPTO
2004
Springer
139views Cryptology» more  CRYPTO 2004»
15 years 3 months ago
How to Compress Rabin Ciphertexts and Signatures (and More)
Ordinarily, RSA and Rabin ciphertexts and signatures are log N bits, where N is a composite modulus; here, we describe how to “compress” Rabin ciphertexts and signatures (among...
Craig Gentry
CIARP
2003
Springer
15 years 3 months ago
Multi-channel Reconstruction of Video Sequences from Low-Resolution and Compressed Observations
A framework for recovering high-resolution video sequences from sub-sampled and compressed observations is presented. Compression schemes that describe a video sequence through a c...
Luis D. Alvarez, Rafael Molina, Aggelos K. Katsagg...
ICMCS
2000
IEEE
88views Multimedia» more  ICMCS 2000»
15 years 2 months ago
Selective Requantization for Transcoding of MPEG Compressed Video
This paper addresses the problem of bit-rate conversion of MPEG compressed video. We present selective requantization, a method for reducing the requantization errors in transcodi...
Hani Sorial, William E. Lynch, André Vincen...