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JMLR
2012
13 years 9 months ago
Hierarchical Relative Entropy Policy Search
Many real-world problems are inherently hierarchically structured. The use of this structure in an agent’s policy may well be the key to improved scalability and higher performa...
Christian Daniel, Gerhard Neumann, Jan Peters
GECCO
2010
Springer
169views Optimization» more  GECCO 2010»
15 years 10 months ago
Robust symbolic regression with affine arithmetic
We use affine arithmetic to improve both the performance and the robustness of genetic programming for symbolic regression. During evolution, we use affine arithmetic to analyze e...
Cassio Pennachin, Moshe Looks, João A. de V...
ICASSP
2009
IEEE
16 years 1 months ago
Blind system identification for speech dereverberation with Forced Spectral Diversity
The common zeros problem for blind system identification (BSI) is well known. It degrades the performance of classic BSI algorithms and therefore imposes the limit on the perform...
Xiang Lin, Andy W. H. Khong, Patrick A. Naylor
IPPS
2009
IEEE
16 years 1 months ago
Early experiences on accelerating Dijkstra's algorithm using transactional memory
In this paper we use Dijkstra’s algorithm as a challenging, hard to parallelize paradigm to test the efficacy of several parallelization techniques in a multicore architecture....
Nikos Anastopoulos, Konstantinos Nikas, Georgios I...
ICRA
2009
IEEE
171views Robotics» more  ICRA 2009»
16 years 1 months ago
Consistent cooperative localization
— In cooperative navigation, teams of mobile robots obtain range and/or angle measurements to each other and dead-reckoning information to help each other navigate more accuratel...
Alexander Bahr, Matthew R. Walter, John J. Leonard