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This paper investigates the visual Localization of a mobile platform using a new sampling adaptive bag-of-features patches techniques. The method is specifically developed for the navigation of robots. It is based on the idea of an adaptive dense sampling of images using an optimal multilayer Quadtree decomposition of the image driven by the quantity and homogeneity of the information contained within subpatches. Extracted patches will be of different sizes according to the covered zones in the image. Experimental results carried out on real images in the case of a navigation of a mobile robot using an omnidirectional camera are presented. The method of generating maps will be briefly introduced. Large amount of measures in different cases of noise and occlusion will be presented showing the robustness of the method.
Date of Conference: Oct. 29 2007-Nov. 2 2007