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Integration of bottom-up and top-down cues for visual attention using non-linear relaxation

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5 Author(s)
Milanese, R. ; Dept. of Comput. Sci., Geneva Univ., Switzerland ; Wechsler, H. ; Gill, S. ; Bost, J.-M.
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Active and selective perception seeks regions of interest in an image in order to reduce the computational complexity associated with time-consuming processes such as object recognition. We describe in this paper a visual attention system that extracts regions of interest by integrating multiple image cues. Bottom-up cues are detected by decomposing the image into a number: of feature and conspicuity maps, while a-priori knowledge (i.e. models) about objects is used to generate top-down attention cues. Bottom-up and top-down information is combined through a non-linear relaxation process using energy minimization-like procedures. The functionality of the attention system is expanded by the introduction of an alerting (motion-based) system able to explore and avoid obstacles. Experimental results are reported, using cluttered and noisy scenes

Published in:

Computer Vision and Pattern Recognition, 1994. Proceedings CVPR '94., 1994 IEEE Computer Society Conference on

Date of Conference:

21-23 Jun 1994