510 search results - page 33 / 102 » Gradient Estimation Revitalized |
DAS
2008
Springer
13 years 11 months ago
2008
Springer
Document skew estimation is an important step in the process of document analysis. In this paper we discuss the properties of the distance transform of binarized documents and der...
NIPS
2008
13 years 11 months ago
2008
In this paper we introduce the MeanNN approach for estimation of main information theoretic measures such as differential entropy, mutual information and divergence. As opposed to...
ICPR
2008
IEEE
14 years 11 months ago
2008
IEEE
The vignette effect (radial fall-off) is commonly encountered in images obtained through certain image acquisition setups and can seriously hinder automatic analysis processes. In...
IJCNN
2007
IEEE
14 years 4 months ago
2007
IEEE
— Optimal component analysis (OCA) uses a stochastic gradient optimization process to find optimal representations for general criteria and shows good performance in object reco...
SCALESPACE
2007
Springer
14 years 4 months ago
2007
Springer
This is a theoretical study on the minimizers of cost-functions composed of an ℓ2 data-fidelity term and a possibly nonsmooth or nonconvex regularization term acting on the di...