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Preprocessing of Handwritten Date Images on Chinese Cheque

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3 Author(s)
Chongyang Zhang ; Dept. of Comput. Sci., Nanjing Univ. of Sci. & Technol. ; Jingyu Yang ; Zhen Lou

The preprocess procedure of handwritten date images in our automatic Chinese cheque processing system is introduced. It consists of three major components: preprinted characters removal, binarization and extra strokes removal. A pixel-contour distance based method is proposed to remove preprinted characters while preserving the connection of object strokes. In binary, a local feature called morphological double edge is used to enhance the character strokes, and then a global threshold is selected by a new recursive method. Extra strokes locate below date characters. We remove them by contour analysis. Experiment results on real-life cheque images demonstrate the efficiency of our proposed methods

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Pattern Recognition, 2006. ICPR 2006. 18th International Conference on  (Volume:2 )

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