Please use this identifier to cite or link to this item: https://doi.org/10.1109/ICPR.2010.557
Title: Non-rigid image registration for historical manuscript restoration
Authors: Wang, J. 
Tan, C.L. 
Issue Date: 2010
Source: Wang, J.,Tan, C.L. (2010). Non-rigid image registration for historical manuscript restoration. Proceedings - International Conference on Pattern Recognition : 2274-2277. ScholarBank@NUS Repository. https://doi.org/10.1109/ICPR.2010.557
Abstract: This paper presents a non-rigid registration method for the restoration of double-sided historical manuscripts. Firstly, the gradient direction maps of the two images of a manuscript are examined to identify candidate control points. Then the correspondences of these points are established by minimizing a disimilarity measure consisting of intensity, gradient and displacement. To fully capture the spatial relationship between the two images, a mapping function is defined as the combination of a global affine and local b-splines transformation. The cost function for optimization consists of two parts: normalized mutual information for the goal of similarity and space integral of the square of the second order derivatives for smoothness. To evaluate the proposed method, a wavelet based restoration procedure is applied to registered images. Real documents from the National Archives of Singapore are used for testing and the experimental results are impressive. © 2010 IEEE.
Source Title: Proceedings - International Conference on Pattern Recognition
URI: http://scholarbank.nus.edu.sg/handle/10635/41724
ISBN: 9780769541099
ISSN: 10514651
DOI: 10.1109/ICPR.2010.557
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