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An efficient classification approach based on grid code transformation and mask-matching method | IEEE Conference Publication | IEEE Xplore

An efficient classification approach based on grid code transformation and mask-matching method


Abstract:

In this paper, we present a two-stage classification approach to recognize the characters in the rare books transcribed by ancient calligraphers. The first stage is coars...Show More

Abstract:

In this paper, we present a two-stage classification approach to recognize the characters in the rare books transcribed by ancient calligraphers. The first stage is coarse classification which uses grid code transformation (GCT) method to quantize the most significant discrete cosine transform coefficients into a finite number of grids. On classifying an unknown character, a reduced set of candidate classes can be retrieved from the corresponding grid code. The second stage is fine classification, which uses a statistical mask-matching method to identify the individual target in the set given by the first stage. In the training phase, we generate one positive mask and one negative mask for each distinct class of characters. Therefore, an unknown character can be recognized by finding the prototype character whose masks are best fitted to it. Experiments were conducted for recognizing handwritten characters in Chinese paleography and showed that our approach performs well in this application domain.
Date of Conference: 12-12 October 2005
Date Added to IEEE Xplore: 10 January 2006
Print ISBN:0-7803-9298-1
Print ISSN: 1062-922X
Conference Location: Waikoloa, HI, USA

References

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