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Green Image
Issue No. 04 - April (2010 vol. 32)
ISSN: 0162-8828
pp: 755-762
Linlin Li , National University of Singapore, Singapore
Chew Lim Tan , National University of Singapore, Singapore
A common problem encountered in recognizing real-scene symbols is the perspective deformation. In this paper, a recognition method resistant to perspective deformation is proposed, based on Cross-Ratio Spectrum descriptor. This method shows good resistance to severe perspective deformation and good discriminating power to similar symbols.
Symbol recognition, perspective deformation.

L. Li and C. L. Tan, "Recognizing Planar Symbols with Severe Perspective Deformation," in IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 32, no. , pp. 755-762, 2009.
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