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» Gradient Convergence in Gradient methods with Errors
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AAAI
2010
13 years 9 months ago
Relative Entropy Policy Search
Policy search is a successful approach to reinforcement learning. However, policy improvements often result in the loss of information. Hence, it has been marred by premature conv...
Jan Peters, Katharina Mülling, Yasemin Altun
SIP
2003
13 years 9 months ago
Time Domain Optimization Techniques for Blind Separation of Non-stationary Convolutive Mixed Signals
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 ...
Iain Russell, Alfred Mertins, Jiangtao Xi
CVPR
2007
IEEE
14 years 9 months ago
A Robust Warping Method for Fingerprint Matching
This paper presents a robust warping method for minutiae based fingerprint matching approaches. In this method, a deformable fingerprint surface is described using a triangular me...
Dongjin Kwon, Il Dong Yun, Sang Uk Lee
ISBI
2011
IEEE
12 years 11 months ago
Hippocampus segmentation using a stable maximum likelihood classifier ensemble algorithm
We develop a new algorithm to segment the hippocampus from MR images. Our method uses a new classifier ensemble algorithm to correct segmentation errors produced by a multi-atlas...
Hongzhi Wang, Jung Wook Suh, Sandhitsu R. Das, Mur...
ICIAR
2009
Springer
14 years 2 months ago
Three Dimensional Segmentation of Intravascular Ultrasound Data
Intravascular ultrasound (IVUS) is a useful imaging technique that can be used to assess the health of coronary arteries. However, manual segmentation of the lumen and adventia bou...
Marc Wennogle, William Hoff