CVPR
2012
IEEE
12 years 1 months ago
2012
IEEE
Modeling representations of image patches that are quasi-invariant to spatial deformations is an important problem in computer vision. In this paper, we propose a novel concept, t...
BMVC
2010
13 years 9 months ago
2010
The paper proposes a new method to perform foreground detection by means of background modeling using the tensor concept. Sometimes, statistical modelling directly on image values...
JMIV
2002
13 years 10 months ago
2002
Motivated by operators simplifying the topographic map of a function, we study the theoretical properties of two kinds of "grain" filters. The first category, discovered ...
CSC
2009
13 years 12 months ago
2009
In this paper, we study the theoretical properties of sparse approximate inverse (SAI) preconditioners. Particularly, we show that for Mmatrices, nonnegativeness is the key to com...