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ICIP
2008
IEEE
14 years 10 months ago
Sparse orthonormal transforms for image compression
We propose a block-based transform optimization and associated image compression technique that exploits regularity along directional image singularities. Unlike established work,...
Osman Gokhan Sezer, Oztan Harmanci, Onur G. Gulery...
ACMICEC
2006
ACM
89views ECommerce» more  ACMICEC 2006»
14 years 2 months ago
A semantic web approach to handling soft constraints in virtual organisations
In this paper we present a proposal for representing soft constraint satisfaction problems (CSPs) within the Semantic Web architecture. The proposal is motivated by the need for a...
Alun D. Preece, Stuart Chalmers, Craig McKenzie, J...
SACMAT
2003
ACM
14 years 2 months ago
Dependencies and separation of duty constraints in GTRBAC
A Generalized Temporal Role Based Access Control (GTRBAC) model that captures an exhaustive set of temporal constraint needs for access control has recently been proposed. GTRBACā...
James Joshi, Basit Shafiq, Arif Ghafoor, Elisa Ber...
CP
2007
Springer
14 years 3 months ago
A Compression Algorithm for Large Arity Extensional Constraints
We present an algorithm for compressing table constraints representing allowed or disallowed tuples. This type of constraint is used for example in conļ¬guration problems, where t...
George Katsirelos, Toby Walsh
ECCV
1996
Springer
14 years 10 months ago
Imposing Hard Constraints on Soft Snakes
An approach is presented for imposing generic hard constraints on deformable models at a low computational cost, while preserving the good convergence properties of snake-like mod...
Pascal Fua, Christian Brechbühler