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DCC
1992
IEEE
15 years 2 months ago
Error Modeling for Hierarchical Lossless Image Compression
Paul G. Howard, Jeffrey Scott Vitter
DCC
2007
IEEE
15 years 10 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
14 years 10 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
110
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DCC
1992
IEEE
15 years 2 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