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Shading extraction and correction for scanned book images
Gaofeng Meng; Nanning Zheng; Shaoyi Du; Yonghong Song; Yuanlin Zhang
Source PublicationIEEE Signal Processing Letters
2008
Issue15Pages:849-852
AbstractWhen one scans document pages from a bound book, shading artifacts are commonly occurred in the book spine area. In this letter, we propose a general-purpose method for image shading correction based on an assumption that the reflectance function of the page surface is piecewise constant and the illumination function is smooth. The proposed method is able to completely correct more general types of shading artifacts which are nonuniformly distributed along the book spine. Comparison experiments on a synthetic and a variety of real scanned book images demonstrate the feasibility and effectiveness of the proposed method.
KeywordDocument Image Processing Shading Correction
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/15373
Collection09年以前成果
Recommended Citation
GB/T 7714
Gaofeng Meng,Nanning Zheng,Shaoyi Du,et al. Shading extraction and correction for scanned book images[J]. IEEE Signal Processing Letters,2008(15):849-852.
APA Gaofeng Meng,Nanning Zheng,Shaoyi Du,Yonghong Song,&Yuanlin Zhang.(2008).Shading extraction and correction for scanned book images.IEEE Signal Processing Letters(15),849-852.
MLA Gaofeng Meng,et al."Shading extraction and correction for scanned book images".IEEE Signal Processing Letters .15(2008):849-852.
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