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IBPRIA
2007
Springer
15 years 11 months ago
Robust Complex Salient Regions
Abstract. The challenge of interest point detectors is to find, in an unsupervised way, keypoints easy to extract and at the same time robust to image transformations. In this pap...
Sergio Escalera, Oriol Pujol, Petia Radeva
ICALP
2007
Springer
15 years 11 months ago
Parameterized Approximability of the Disjoint Cycle Problem
Abstract. We give an fpt approximation algorithm for the directed vertex disjoint cycle problem. Given a directed graph G with n vertices and a positive integer k, the algorithm co...
Martin Grohe, Magdalena Grüber
ICANN
2007
Springer
15 years 11 months ago
Solving Deep Memory POMDPs with Recurrent Policy Gradients
Abstract. This paper presents Recurrent Policy Gradients, a modelfree reinforcement learning (RL) method creating limited-memory stochastic policies for partially observable Markov...
Daan Wierstra, Alexander Förster, Jan Peters,...
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ICANN
2007
Springer
15 years 11 months ago
Control and Synchronization of Chaotic Neurons Under Threshold Activated Coupling
Abstract. We have studied the spatiotemporal behaviour of threshold coupled chaotic neurons. We observe that the chaos is controlled by threshold activated coupling, and the system...
Manish Dev Shrimali, Guoguang He, Sudeshna Sinha, ...
ICCS
2007
Springer
15 years 11 months ago
A Realtime Observatory for Laboratory Simulation of Planetary Circulation
Abstract. We present a physical, laboratory-scale analog of large-scale atmospheric circulation and develop an observatory for it. By combining observations of a hydro-dynamically ...
Sai Ravela, John Marshall, Christopher Hill, Andre...