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DCC
2001
IEEE
14 years 9 months ago
The Coding-Optimal Transform
We propose a new transform coding algorithm that integrates all optimization steps into a coherent and consistent framework. Each iteration of the algorithm is designed to minimiz...
Cynthia Archer, Todd K. Leen
SBACPAD
2009
IEEE
155views Hardware» more  SBACPAD 2009»
14 years 4 months ago
SPARC16: A New Compression Approach for the SPARC Architecture
RISC processors can be used to face the ever increasing demand for performance required by embedded systems. Nevertheless, this solution comes with the cost of poor code density. ...
Leonardo Luiz Ecco, Bruno Cardoso Lopes, Eduardo C...
CORR
2008
Springer
132views Education» more  CORR 2008»
13 years 9 months ago
Lower Bounds on the Rate-Distortion Function of Individual LDGM Codes
Abstract-- We consider lossy compression of a binary symmetric source by means of a low-density generator-matrix code. We derive two lower bounds on the rate distortion function wh...
Shrinivas Kudekar, Rüdiger L. Urbanke
SENSYS
2006
ACM
14 years 4 months ago
Data compression algorithms for energy-constrained devices in delay tolerant networks
Sensor networks are fundamentally constrained by the difficulty and energy expense of delivering information from sensors to sink. Our work has focused on garnering additional si...
Christopher M. Sadler, Margaret Martonosi
TIP
2002
132views more  TIP 2002»
13 years 9 months ago
3-D wavelet compression and progressive inverse wavelet synthesis rendering of concentric mosaic
Using an array of photo shots, the concentric mosaic offers a quick way to capture and model a realistic three-dimensional (3-D) environment. In this work, we compress the concentr...
Lin Luo, Yunnan Wu, Jin Li, Ya-Qin Zhang