520 search results - page 3 / 104 » Reductions Between Expansion Problems |
IMA
2005
Springer
13 years 11 months ago
2005
Springer
In this paper, a study of a paradigm for domain expansion of MACs is generalized. In particular, a tradeoff between the efficiency of a MAC and the tightness of its security reduc...
NIPS
2008
13 years 7 months ago
2008
Query expansion is a long-studied approach for improving retrieval effectiveness by enhancing the user's original query with additional related words. Current algorithms for ...
CORR
2011
Springer
12 years 9 months ago
2011
Springer
We present an approximation scheme for optimizing certain Quadratic Integer Programming problems with positive semidefinite objective functions and global linear constraints. Thi...
DPHOTO
2010
13 years 7 months ago
2010
Defocus imaging techniques, involving the capture and reconstruction of purposely out-of-focus images, have recently become feasible due to advances in deconvolution methods. This...
IJCV
1998
13 years 5 months ago
1998
Corresponding image points of a rigid object in a discrete sequence of images fulfil the so-called multilinear constraint. In this paper the continuous time analogue of this const...