Restoring warped document images through 3D shape modeling

Scanning a document page from a thick bound volume often results in two kinds of distortions in the scanned image, i.e., shade along the "spine" of the book and warping in the shade area. In this paper, we propose an efficient restoration method based on the discovery of the 3D shape of a...

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Veröffentlicht in:	IEEE transactions on pattern analysis and machine intelligence 2006-02, Vol.28 (2), p.195-208
Hauptverfasser:	Tan, Chew Lim, Zhang, Li, Zhang, Zheng, Xia, Tao
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Applied sciences Artificial Intelligence Automatic Data Processing - methods Computer Graphics Computer science control theory systems Computer Simulation Distortion document image analysis Documentation - methods Exact sciences and technology Geometrical optics image distortion Image Enhancement - methods Image Interpretation, Computer-Assisted - methods Image restoration image warping Imaging, Three-Dimensional - methods Index Terms- Document image restoration Information Storage and Retrieval - methods Light sources Mathematical models Models, Theoretical OCR improvement Optical character recognition Optical character recognition software Optical distortion Optical reflection Pattern Recognition, Automated - methods Pattern recognition. Digital image processing. Computational geometry Reproducibility of Results Restoration Sensitivity and Specificity Shading Shape shape from shading Solid modeling Surface reconstruction Three dimensional
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