224 search results - page 21 / 45 » A Derivative-Free Algorithm for Computing Zeros of Analytic ... |
CVPR
2005
IEEE
15 years 4 months ago
2005
IEEE
"In this paper, we present a new variational formulation for geometric active contours that forces the level set function to be close to a signed distance function, and theref...
ICCV
2001
IEEE
14 years 9 months ago
2001
IEEE
We prove that the set of all Lambertian reflectance functions (the mapping from surface normals to intensities) obtained with arbitrary distant light sources lies close to a 9D lin...
WINE
2005
Springer
14 years 1 months ago
2005
Springer
This paper studies the equilibrium property and algorithmic complexity of the exchange market equilibrium problem with concave piece-wise linear functions, which include linear an...
SIGMOD
1997
ACM
13 years 12 months ago
1997
ACM
Computing multiple related group-bys and aggregates is one of the core operations of On-Line Analytical Processing (OLAP) applications. Recently, Gray et al. [GBLP95] proposed the...
STOC
2009
ACM
14 years 8 months ago
2009
ACM
We consider the following question: given a two-argument boolean function f, represented as an N ? N binary matrix, how hard is to determine the (deterministic) communication comp...