Hierarchical Chamfer Matching: A Parametric Edge Matching Algorithm
IEEE Transactions on Pattern Analysis and Machine Intelligence
Synopsis of recent progress on camera calibration for 3D machine vision
The robotics review 1
Object recognition using a tag
ICIP '97 Proceedings of the 1997 International Conference on Image Processing (ICIP '97) 3-Volume Set-Volume 1 - Volume 1
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General object recognition is a difficult problem. In [2], we proposed a novel solution for object recognition in an unconstrained environment. We simplified the recognition problem by attaching a special planar pattern on objects of interest. This approach allows us to determine the pose easily. A robust detector for the pattern was developed for the first stage of the solution (Soh[3]). This paper investigates the next part of the recognition process, i.e. matching of the models using a modified technique based on the Chamfer matching algorithm (Borgefors[1]). The algorithm is enhanced by augmenting the matching process by an additional step which promotes consistency of image gradient directions of the corresponding points.