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IJDAR
2010
169views more  IJDAR 2010»
13 years 3 months ago
A Bayesian network for combining descriptors: application to symbol recognition
Inthispaper,weproposeadescriptorcombination method, which enables to improve significantly the recognition rate compared to the recognition rates obtained by each descriptor. This ...
Sabine Barrat, Salvatore Tabbone
SIGIR
2006
ACM
13 years 10 months ago
Measuring similarity of semi-structured documents with context weights
In this work, we study similarity measures for text-centric XML documents based on an extended vector space model, which considers both document content and structure. Experimenta...
Christopher C. Yang, Nan Liu
AIIA
2009
Springer
13 years 11 months ago
Mathematical Symbol Indexing
This paper addresses the indexing and retrieval of mathematical symbols from digitized documents. The proposed approach exploits Shape Contexts (SC) to describe the shape of mathe...
Simone Marinai, Beatrice Miotti, Giovanni Soda
MVA
2007
201views Computer Vision» more  MVA 2007»
13 years 6 months ago
A 3D Shape Descriptor Based on Hadamard Transform and Spherical Harmonic Transform
Shape matching plays an important role in many application fields. In this paper, we propose a novel rotation invariant 3D shape descriptor based on Hadamard transform and spheric...
Guyu Xin, Hongbin Zha
ICDAR
2009
IEEE
13 years 2 months ago
A Symbol Spotting Approach Based on the Vector Model and a Visual Vocabulary
This paper addresses the difficult problem of symbol spotting for graphic documents. We propose an approach where each graphic document is indexed as a text document by using the ...
Thi-Oanh Nguyen, Salvatore Tabbone, Alain Boucher