185 search results - page 3 / 37 » The Statistical Properties of Local Log-Contrast in Natural ... |
NIPS
2003
13 years 6 months ago
2003
This paper compares the ability of human observers to detect target image curves with that of an ideal observer. The target curves are sampled from a generative model which speci...
NIPS
2007
13 years 6 months ago
2007
It has been shown that adapting a dictionary of basis functions to the statistics of natural images so as to maximize sparsity in the coefficients results in a set of dictionary ...
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
—In this paper we investigate the local probability density function (pdf) of natural signals in sparse domains. The statistical properties of natural signals are characterized m...
ICA
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. In this paper we examine how the activation of one independent component analysis (ICA) feature changes first and second order statistics of other independent components...
ICIP
2003
IEEE
13 years 10 months ago
2003
IEEE
Regularization constraints are necessary in inverse problems such as image restoration, optical flow computation or shape from shading to avoid the singularities in the solution....