Document Image De-warping for Text/Graphics Recognition
Proceedings of the Joint IAPR International Workshop on Structural, Syntactic, and Statistical Pattern Recognition
Rectifying the Bound Document Image Captured by the Camera: A Model Based Approach
ICDAR '03 Proceedings of the Seventh International Conference on Document Analysis and Recognition - Volume 1
Restoring Warped Document Images through 3D Shape Modeling
IEEE Transactions on Pattern Analysis and Machine Intelligence
Dewarping of document image by global optimization
ICDAR '05 Proceedings of the Eighth International Conference on Document Analysis and Recognition
Shape from shading for the digitization of curved documents
Machine Vision and Applications
Shape from contour for the digitization of curved documents
ACCV'07 Proceedings of the 8th Asian conference on Computer vision - Volume Part II
Book scanner dewarping with weak 3d measurements and a simplified surface model
DGCI'08 Proceedings of the 14th IAPR international conference on Discrete geometry for computer imagery
Proceedings of the 2011 Workshop on Historical Document Imaging and Processing
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In the present paper we will discuss the way to correct the text image warping due to old bookbindings which can not open to 180/spl deg/. Two methods have been experimented to measure the surface distortion of the paper The first method uses a diffracted laser beam and is operational for 1D distortion measurements. As former bookbindings may also present 2D distortion, we have developed a second method which uses a light projected network and which gives encouraging results.