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2011 International Conference on Document Analysis and Recognition
Non-rigid Registration and Restoration of Double-Sided Historical Manuscripts
Beijing, China
September 18-September 21
ISBN: 978-0-7695-4520-2
This paper presents a fully automatic framework for the restoration of double-sided historical manuscripts which are impaired by ink bleed-through distortions. First, the recto side and the verso side of a manuscript are precisely registered with a non-rigid registration method. The registration procedure selects salient control points as features, employs a free-form transformation model as mapping function and uses residual complexity as similarity measure. Next, we extract prominent foreground feature images with the two registered images. By referring to the feature images, we iteratively perform wavelet decomposition and construction to smear bleed-through interferences and to enhance foreground texts on the manuscript. We test the proposed framework with real manuscripts from the archives and the experimental results are encouraging.
Index Terms:
image registration, historical document images, image restoration, bleed-through distortion
Citation:
Jie Wang, Chew Lim Tan, "Non-rigid Registration and Restoration of Double-Sided Historical Manuscripts," icdar, pp.1374-1378, 2011 International Conference on Document Analysis and Recognition, 2011
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