COMPARATIVE STUDY
JOURNAL ARTICLE

Symbol recognition via statistical integration of pixel-level constraint histograms: a new descriptor

Su Yang
IEEE Transactions on Pattern Analysis and Machine Intelligence 2005, 27 (2): 278-81
15688565
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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