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Symbol Recognition via Statistical Integration of Pixel-Level Constraint Histograms: A New Descriptor
February 2005 (vol. 27 no. 2)
pp. 278-281
A new descriptor for symbol recognition is proposed. 1) A histogram is constructed for every pixel to figure out the distribution of the constraints among the other pixels. 2) All the histograms are statistically integrated to form a feature vector with fixed dimension. The robustness and invariance were experimentally confirmed.

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Index Terms:
Symbol recognition, graphics recognition, descriptor, feature extraction, feature representation.
Citation:
Su Yang, "Symbol Recognition via Statistical Integration of Pixel-Level Constraint Histograms: A New Descriptor," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 27, no. 2, pp. 278-281, Feb. 2005, doi:10.1109/TPAMI.2005.38
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