29 search results - page 4 / 6 » ICA based on a Smooth Estimation of the Differential Entropy |
SIAMNUM
2010
13 years 29 days ago
2010
In this paper we introduce a new class of diffeomorphic smoothers based on general spline smoothing techniques and on the use of some tools that have been recently developed in th...
ICIP
2009
IEEE
14 years 7 months ago
2009
IEEE
In this article we address the issue of denoising photon-limited image data by deriving new and efficient multivariate Bayesian estimators that approximate the conditional expecta...
SMA
2008
ACM
13 years 6 months ago
2008
ACM
Differential quantities, including normals, curvatures, principal directions, and associated matrices, play a fundamental role in geometric processing and physics-based modeling. ...
CSDA
2007
13 years 6 months ago
2007
The log-likelihood function of threshold vector error correction models is neither differentiable, nor smooth with respect to some parameters. Therefore, it is very difficult to ...
AAAI
2010
13 years 7 months ago
2010
One of the main difficulties in facial age estimation is the lack of sufficient training data for many ages. Fortunately, the faces at close ages look similar since aging is a slo...