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Object recognition, Geometric hashing, Invariant matching, Shape profile
Geometric hashing (GH) is a general model-based recognition scheme. GH is widely used in the industrial products assembly and inspection tasks. The aim of this study is to speed up the geometric hashing pattern recognition method for the purpose of real-time object detection applications. In our method, a pattern is decomposed into some sub-patterns to reduce the data number in hash table bins. In addition, the sub-patterns are recorded in a plurality of hash tables. Finally we improve the recognition performance by combining with image pyramid and edge direction information. To confirm the validity of our proposed method, we make a complexity analysis, and apply our method to some images. Both complexity analysis and experiment evaluations have demonstrated the efficiency of this technique.
Ling Ma, Yumin Liu, Huiqin Jiang, Zhongyong Wang, Haofei Zhou, "An Improved Method of Geometric Hashing Pattern Recognition", International Journal of Modern Education and Computer Science(IJMECS), vol.3, no.3, pp.1-7, 2011. DOI:10.5815/ijmecs.2011.03.01
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