202 search results - page 12 / 41 » Privacy-preservation for gradient descent methods |
123
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IJCV
2007
14 years 11 months ago
2007
This paper tackles an important aspect of the variational problem underlying active contours: optimization by gradient flows. Classically, the definition of a gradient depends d...
107
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ICML
2007
IEEE
16 years 9 days ago
2007
IEEE
We describe and analyze a simple and effective iterative algorithm for solving the optimization problem cast by Support Vector Machines (SVM). Our method alternates between stocha...
106
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SIP
2003
2003
Time Domain Optimization Techniques for Blind Separation of Non-stationary Convolutive Mixed Signals
15 years 26 days ago
This paper aims to solve the problem of Blind Signal Separation (BSS) in a convolutive environment based on output correlation matrix diagonalization. Firstly an extension of the ...
KDD
2009
ACM
16 years 1 days ago
2009
ACM
We present novel semi-supervised boosting algorithms that incrementally build linear combinations of weak classifiers through generic functional gradient descent using both labele...
88
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ISNN
2007
Springer
15 years 5 months ago
2007
Springer
A neural-based method for source separation in nonlinear mixture is proposed in this paper. A cost function, which consists of the mutual information and partial moments of the out...