DocumentCode
1633226
Title
Speeding up top-down attention control learning by using full observation knowledge
Author
Noori, N. ; Ahmadabadi, M. Nili ; Mirian, M.S. ; Araabi, B.N.
Author_Institution
Dept. of Electr. & Comput. Eng., Univ. of Tehran. Tehran, Tehran, Iran
fYear
2009
Firstpage
369
Lastpage
374
Abstract
We present a general mathematical description of the top-down attention control problem. Three important components are identified in the model: context extraction, attention focus and decision making. The context gives a coarse blurry representation of the whole input; the attention module models the focus of attention on a limited part of input, and the decision making component accounts the final decision of the agent for its motory actions. In order to achieve a faster convergence of attention learning in the online phase, an offline optimization step is performed in advance. To do so, we incorporate the knowledge of a full observer agent that has approximately learned the optimal decision making of the task. The simulation results show that by employing our algorithm, the learning speed is improved.
Keywords
decision making; image processing; optimisation; Bayesian networks; attention focus; coarse blurry representation; context extraction; decision making; full observation knowledge; mathematical description; motory actions; offline optimization step; speeding up topdown attention control; visual information; Bayesian methods; Context modeling; Convergence; Decision making; Focusing; Humans; Information filtering; Information filters; Layout; Robot sensing systems;
fLanguage
English
Publisher
ieee
Conference_Titel
Computational Intelligence in Robotics and Automation (CIRA), 2009 IEEE International Symposium on
Conference_Location
Daejeon
Print_ISBN
978-1-4244-4808-1
Electronic_ISBN
978-1-4244-4809-8
Type
conf
DOI
10.1109/CIRA.2009.5423179
Filename
5423179
Link To Document