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International Journal of Computer Vision
Erschienen in: International Journal of Computer Vision 1/2017

20.09.2016

Active Rectification of Curved Document Images Using Structured Beams

verfasst von: Gaofeng Meng, Shiming Xiang, Chunhong Pan, Nanning Zheng

Erschienen in: International Journal of Computer Vision | Ausgabe 1/2017

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Abstract

We propose an active method to rectify the geometric and photometric distortions in a document image. This method uses structured beams projected upon the curved document page to recover the spatial curves on it. A developable surface is interpolated to the curves by finding the correspondence between them. To correct the geometric distortion, the estimated developable surface is finally flattened onto a plane by explicitly solving a system of ordinary differential equations. The recovered 3D page shape, together with a Lambertian illumination model as guidance, is further used to rectify the non-uniform illumination in the images. Experimental results based on a variety of synthetic and real-captured document images demonstrate the effectiveness and efficiency of the proposed method.
Vorheriger Artikel Fast Algorithms for Fitting Active Appearance Models to Unconstrained Images
Nächster Artikel Generalizing the Prediction Sum of Squares Statistic and Formula, Application to Linear Fractional Image Warp and Surface Fitting

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Fußnoten
2
The software is freely available at http://​ccwu.​me/​vsfm/​.
 
3
This matlab toolbox can be downloaded from http://​www.​cis.​hut.​fi/​projects/​somtoolbox/​.
 
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Metadaten
Titel
Active Rectification of Curved Document Images Using Structured Beams
verfasst von
Gaofeng Meng
Shiming Xiang
Chunhong Pan
Nanning Zheng
Publikationsdatum
20.09.2016
Verlag
Springer US
Erschienen in
International Journal of Computer Vision / Ausgabe 1/2017
Print ISSN: 0920-5691
Elektronische ISSN: 1573-1405
DOI
https://doi.org/10.1007/s11263-016-0952-z

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