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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Begum, Momotaz Karray, Fakhri Mann, G. K. I. Gosine, R. G. |
| Copyright Year | 2009 |
| Description | Author affiliation: Faculty of Engineering, Memorial University, NL, A1B 3X5, Canada (Mann, G. K. I.; Gosine, R. G.) || Department of Electrical and Computer Engineering, University of Waterloo, Ontario, N2L 3G1, Canada (Begum, Momotaz; Karray, Fakhri) |
| Abstract | ‘Saliency map’, a scalar, two-dimensional representation of visual saliency, is at the center of almost all of the existing models of visual attention. Attention is directed toward the most salient location in the saliency map. The mechanism of ‘inhibition of return’ (IOR) suppresses the saliency of recently attended location and thereby enabling the shifts of attention toward different locations in the saliency map in order of decreasing saliency. This process performs well as longs as the attention is directed covertly. For overt attention with head movements, which is practically the case in robotic applications, the visual saliency as well as the frame of reference in which the IOR is expressed change after every head movement. These pose a set of computational challenges in implementing attention behavior and IOR. This paper argues that the re-mapping of visual saliency and dynamic shift of IOR emerge naturally in a particle filter based framework of visual attention. Experiments on a real camera head validate the arguments. |
| Starting Page | 425 |
| Ending Page | 430 |
| File Size | 1600201 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424426782 |
| DOI | 10.1109/ROBIO.2009.4913041 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-02-22 |
| Publisher Place | Thailand |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Particle filters Robot kinematics Computer vision Robot vision systems Cameras Application software Biomimetics Humanoid robots Computational modeling Neuroscience particle filter Overt attention robots dynamic IOR visual saliency |
| Content Type | Text |
| Resource Type | Article |
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