309 search results - page 13 / 62 » Smooth Optimization with Approximate Gradient |
FGR
2011
IEEE
12 years 11 months ago
2011
IEEE
— In this work, we present novel warping algorithms for full 2D pixel-grid deformations for face recognition. Due to high variation in face appearance, face recognition is consid...
CVPR
2001
IEEE
14 years 9 months ago
2001
IEEE
The problem of binarization of gray level images acquired under nonuniform illumination is reconsidered. Yanowitz and Bruckstein proposed to use for image binarization an adaptive...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
We investigate flow rate optimization on a wireless link with randomly varying channel gain using techniques from adaptive modulation and network utility maximization. We consider ...
ICDM
2009
IEEE
14 years 2 months ago
2009
IEEE
—Many real world learning problems can be recast as multi-task learning problems which utilize correlations among different tasks to obtain better generalization performance than...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
Many statistical M-estimators are based on convex optimization problems formed by the weighted sum of a loss function with a norm-based regularizer. We analyze the convergence rat...