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ICIP
2003
IEEE
16 years 3 months ago
Dither-based secure image hashing using distributed coding
We propose an image hashing algorithm that is based on distributed compression principles. The algorithm assumes the availability of a robust feature vector extracted from the ima...
Mark Johnson, Kannan Ramchandran
DATE
2008
IEEE
139views Hardware» more  DATE 2008»
15 years 8 months ago
Instruction Re-encoding Facilitating Dense Embedded Code
Reducing the code size of embedded applications is one of the important constraint in embedded system design. Code compression can provide substantial savings in terms of size. In...
Talal Bonny, Jörg Henkel
DCC
2007
IEEE
16 years 1 months ago
Spectral Predictors
Many scientific, imaging, and geospatial applications produce large high-precision scalar fields sampled on a regular grid. Lossless compression of such data is commonly done usin...
Lorenzo Ibarria, Peter Lindstrom, Jarek Rossignac
CORR
2006
Springer
131views Education» more  CORR 2006»
15 years 2 months ago
Analysis of LDGM and compound codes for lossy compression and binning
Abstract-- Recent work has suggested that low-density generator matrix (LDGM) codes are likely to be effective for lossy source coding problems. We derive rigorous upper bounds on ...
Emin Martinian, Martin J. Wainwright
CORR
2010
Springer
93views Education» more  CORR 2010»
15 years 2 months ago
Linear Size Optimal q-ary Constant-Weight Codes and Constant-Composition Codes
An optimal constant-composition or constant-weight code of weight w has linear size if and only if its distance d is at
Yeow Meng Chee, Son Hoang Dau, Alan C. H. Ling, Sa...