Matching in Catadioptric Images with Appropriate Windows and Outliers

Proc. of the 9th International Conference on Computer Analysis of Images and Patterns. Springer Verlag. Warsaw, Poland, 5--7 September, 2001.

Tomas Svoboda , Tomas Pajdla

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Abstract: Active matching windows for matching in panoramic images taken by a catadioptric camera are proposed. The shape and the size of the windows vary depending on the position of an interest point. The windows size is then normalized and a standard correlation is used for measuring similarities of the points. A semi-iterative method based on sorting correspondences according to their similarity is suggested to remove possible outliers. It is experimentally shown that using this method the matching is successful for small and also big displacement of corresponding points.
Image matching, catadioptric panoramic cameras, active windows.