Learning Contour-Fragment-based Shape Model with And-Or Tree Representation

3 Feb 2015Liang LinXiaolong WangWei YangJianhuang Lai

This paper proposes a simple yet effective method to learn the hierarchical object shape model consisting of local contour fragments, which represents a category of shapes in the form of an And-Or tree. This model extends the traditional hierarchical tree structures by introducing the "switch" variables (i.e. the or-nodes) that explicitly specify production rules to capture shape variations... (read more)

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