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2006 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Volume 2 (CVPR'06)
Bottom-Up & Top-down Object Detection using Primal Sketch Features and Graphical Models
New York, NY
June 17-June 22
ISBN: 0-7695-2597-0
Iasonas Kokkinos, National Technical University of Athens
Petros Maragos, National Technical University of Athens
A combination of techniques that is becoming increasingly popular is the construction of part-based object representations using the outputs of interest-point detectors. Our contributions in this paper are twofold: first, we propose a primal-sketch-based set of image tokens that are used for object representation and detection. Second, top-down information is introduced based on an efficient method for the evaluation of the likelihood of hypothesized part locations. This allows us to use graphical model techniques to complement bottom-up detection, by proposing and finding the parts of the object that were missed by the front-end feature detection stage. Detection results for four object categories validate the merits of this joint top-down and bottom-up approach.
Citation:
Iasonas Kokkinos, Petros Maragos, Alan Yuille, "Bottom-Up & Top-down Object Detection using Primal Sketch Features and Graphical Models," cvpr, vol. 2, pp.1893-1900, 2006 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Volume 2 (CVPR'06), 2006
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