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117
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ICIP
2008
IEEE
16 years 2 months ago
Lossy to lossless image compression based on reversible integer DCT
A progressive image compression scheme is investigated using reversible integer discrete cosine transform (RDCT) which is derived from the matrix factorization theory. Previous te...
Lei Wang, Jiaji Wu, Licheng Jiao, Li Zhang, Guangm...
120
Voted
SDM
2011
SIAM
223views Data Mining» more  SDM 2011»
14 years 3 months ago
Characterizing Uncertain Data using Compression
Motivated by sensor networks, mobility data, biology and life sciences, the area of mining uncertain data has recently received a great deal of attention. While various papers hav...
Francesco Bonchi, Matthijs van Leeuwen, Antti Ukko...
87
Voted
DCC
2009
IEEE
16 years 29 days ago
Source Coding Scheme for Multiple Sequence Alignments
Rapid development of DNA sequencing technologies exponentially increases the amount of publicly available genomic data. Whole genome multiple sequence alignments represent a parti...
Pavol Hanus, Janis Dingel, Georg Chalkidis, Joachi...
CPM
1999
Springer
93views Combinatorics» more  CPM 1999»
15 years 4 months ago
Pattern Matching in Text Compressed by Using Antidictionaries
In this paper we focus on the problem of compressed pattern matching for the text compression using antidictionaries, which is a new compression scheme proposed recently by Crochem...
Yusuke Shibata, Masayuki Takeda, Ayumi Shinohara, ...
ICDE
2010
IEEE
183views Database» more  ICDE 2010»
15 years 7 months ago
Estimating the compression fraction of an index using sampling
—Data compression techniques such as null suppression and dictionary compression are commonly used in today’s database systems. In order to effectively leverage compression, it...
Stratos Idreos, Raghav Kaushik, Vivek R. Narasayya...