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DCC
1992
IEEE
13 years 9 months ago
Error Modeling for Hierarchical Lossless Image Compression
Paul G. Howard, Jeffrey Scott Vitter
DCC
2007
IEEE
14 years 4 months ago
There are no Barker arrays having more than two dimensions
Davis, Jedwab and Smith recently proved that there are no 2-dimensional Barker arrays except of size 2?2. We show that the existence of a (d+1)-dimensional Barker array implies th...
Jonathan Jedwab, Matthew G. Parker
DCC
1999
IEEE
13 years 4 months ago
A General Polynomial Sieve
An important component of the index calculus methods for finding discrete logarithms is the acquisition of smooth polynomial relations. Gordon and McCurley (1992) developed a sieve...
Shuhong Gao, Jason Howell
DCC
1992
IEEE
13 years 9 months ago
Constructing Word-Based Text Compression Algorithms
Text compression algorithms are normally defined in terms of a source alphabet of 8-bit ASCII codes. We consider choosing to be an alphabet whose symbols are the words of Englis...
R. Nigel Horspool, Gordon V. Cormack