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ML
2002
ACM
143views Machine Learning» more  ML 2002»
15 years 6 months ago
A Sparse Sampling Algorithm for Near-Optimal Planning in Large Markov Decision Processes
An issue that is critical for the application of Markov decision processes MDPs to realistic problems is how the complexity of planning scales with the size of the MDP. In stochas...
Michael J. Kearns, Yishay Mansour, Andrew Y. Ng
ICDE
2008
IEEE
132views Database» more  ICDE 2008»
16 years 8 months ago
The Space Complexity of Processing XML Twig Queries Over Indexed Documents
Abstract-- Current twig join algorithms incur high memory costs on queries that involve child-axis nodes. In this paper we provide an analytical explanation for this phenomenon. In...
Mirit Shalem, Ziv Bar-Yossef
ICPR
2008
IEEE
16 years 7 months ago
Generic scale-space process for handwriting documents analysis
This paper presents a generic architecture for handwriting documents analysis. It covers all analysis steps from the content description of the document (layout analysis, handwrit...
Guillaume Joutel, Hubert Emptoz, Véronique ...
ISVC
2009
Springer
16 years 1 months ago
Combinatorial Preconditioners and Multilevel Solvers for Problems in Computer Vision and Image Processing
Abstract. Linear systems and eigen-calculations on symmetric diagonally dominant matrices (SDDs) occur ubiquitously in computer vision, computer graphics, and machine learning. In ...
Ioannis Koutis, Gary L. Miller, David Tolliver
ISCAS
2008
IEEE
114views Hardware» more  ISCAS 2008»
16 years 1 months ago
Multimicrophone speech dereverberation using spatiotemporal and spectral processing
— Speech signals acquired in a reverberant room with microphones positioned at a distance from the talker are degraded in quality due to reverberation and measurement noise. Ther...
Nikolay D. Gaubitch, Emanuel A. P. Habets, Patrick...