Integration of Shape Context and Neural Networks for Symbol Recognition

Abstract : Using shape matching within a k–nearest neighbor approach, shape context descriptor has been applied in several classification problems with outstanding results. However , the application of this frame work on large datasets or online scenarios is challenging due to its computational cost. To over come this limitations, we evaluate the use of shape context as input features for neural networks. We test the proposed method in a problem of recognition of handwritten mathematical symbols. For a total of 75 classes of symbols, we obtained a recognition rate of 89.8%, comparable with a k–nearest neighbor approach, but with reduced time complexity.
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Submitted on : Monday, May 11, 2015 - 9:49:04 PM
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Frank Julca-Aguilar, Christian Viard-Gaudin, Harold Mouchère, Sofiane Medjkoune, Nina Hirata. Integration of Shape Context and Neural Networks for Symbol Recognition. Colloque International Francophone sur l’Écrit et le Document 2014 (CIFED), Mar 2014, Nancy, France. ⟨hal-01150830⟩



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