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JMLR
2006
124views more  JMLR 2006»
13 years 7 months ago
A Direct Method for Building Sparse Kernel Learning Algorithms
Many kernel learning algorithms, including support vector machines, result in a kernel machine, such as a kernel classifier, whose key component is a weight vector in a feature sp...
Mingrui Wu, Bernhard Schölkopf, Gökhan H...
ICDAR
2009
IEEE
14 years 2 months ago
An Improved Online Tamil Character Recognition Engine Using Post-Processing Methods
We propose script-specific post processing schemes for improving the recognition rate of online Tamil characters. At the first level, features derived at each sample point of the ...
Suresh Sundaram, Angarai Ganesan Ramakrishnan
SGAI
2007
Springer
14 years 1 months ago
Escaping Local Optima: Constraint Weights vs. Value Penalties
Constraint Satisfaction Problems can be solved using either iterative improvement or constructive search approaches. Iterative improvement techniques converge quicker than the cons...
Muhammed Basharu, Inés Arana, Hatem Ahriz
ICPR
2008
IEEE
14 years 1 months ago
Learning visual dictionaries and decision lists for object recognition
Visual dictionaries are widely employed in object recognition to map unordered bags of local region descriptors into feature vectors for image classification. Most visual dictiona...
Wei Zhang, Thomas G. Dietterich
CNSR
2008
IEEE
126views Communications» more  CNSR 2008»
14 years 1 months ago
An Orthogonal Projection Approach for Blind Beamforming in Multipath CDMA Channels
In this paper, we propose a blind beamforming technique for multipath CDMA channels, which requires prior knowledge of only the spreading code and the timing of the desired user. ...
Jianshu Chen, Jian Wang, Pengyu Zhang, Jian Yuan, ...