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Title: Edge-preserving prefiltering for document image binarization
Authors: Fan, L. 
Tan, C.L. 
Fan, L. 
Issue Date: 2001
Citation: Fan, L.,Tan, C.L.,Fan, L. (2001). Edge-preserving prefiltering for document image binarization. IEEE International Conference on Image Processing 1 : 1070-1073. ScholarBank@NUS Repository.
Abstract: We propose a novel coplanar filter, which exploits the coplanarity of gray-level distribution of neighboring pixels, to pre-filter the document images. Experiments show that the proposed filter exhibits the following desired properties for document image binarization: (1) impulsive noise removal, (2) piecewise smoothing, and (3) sharp edge preservation.
Source Title: IEEE International Conference on Image Processing
Appears in Collections:Staff Publications

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