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ICPP
2008
IEEE
16 years 25 days ago
Improving the Performance of Multithreaded Sparse Matrix-Vector Multiplication Using Index and Value Compression
Abstract—The Sparse Matrix-Vector Multiplication kernel exhibits limited potential for taking advantage of modern shared memory architectures due to its large memory bandwidth re...
Kornilios Kourtis, Georgios I. Goumas, Nectarios K...
CP
2007
Springer
16 years 17 days ago
A Compression Algorithm for Large Arity Extensional Constraints
We present an algorithm for compressing table constraints representing allowed or disallowed tuples. This type of constraint is used for example in configuration problems, where t...
George Katsirelos, Toby Walsh
IEEEMSP
2002
IEEE
113views Multimedia» more  IEEEMSP 2002»
15 years 11 months ago
A minimum distortion data hiding technique for compressed images
We present a blind data hiding method for JPEG compressedimageswhichminimizesthe perceptualdistortion due to data embedding.The proposed systempresentsa number of op. tions to the ...
Cagatay Candan, Nikil Jayant
SAMOS
2009
Springer
15 years 11 months ago
CABAC Accelerator Architectures for Video Compression in Future Multimedia: A Survey
The demands for high quality, real-time performance and multi-format video support in consumer multimedia products are ever increasing. In particular, the future multimedia systems...
Yahya Jan, Lech Józwiak
DASFAA
2009
IEEE
122views Database» more  DASFAA 2009»
15 years 10 months ago
Optimization on Data Object Compression and Replication in Wireless Multimedia Sensor Networks
Wireless Multimedia Sensor Networks (WMSNs) have brought unprecedented potentials for applications requiring ubiquitous access to multimedia contents such as still images. However,...
MingJian Tang, Jinli Cao, Xiaohua Jia, Ke-Yan Liu