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Interactive Exploration and Flattening of Deformed Historical Documents

Pal, K; Terras, M; Weyrich, T; (2013) Interactive Exploration and Flattening of Deformed Historical Documents. Computer Graphics Forum , 33 (2pt3) pp. 327-334. 10.1111/cgf.12052. Green open access

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Abstract

We present an interactive application for browsing severely damaged documents and other cultural artefacts. Such documents often contain strong geometric distortions such as wrinkling, buckling, and shrinking and cannot be flattened physically due to the high risk of causing further damage. Previous methods for virtual restoration involve globally flattening a 3D reconstruction of the document to produce a static image. We show how this global approach can fail in cases of severe geometric distortion, and instead propose an interactive viewer which allows a user to browse a document while dynamically flattening only the local region under inspection. Our application also records the provenance of the reconstruction by displaying the reconstruction side by side with the original image data.

Type: Article
Title: Interactive Exploration and Flattening of Deformed Historical Documents
Open access status: An open access version is available from UCL Discovery
DOI: 10.1111/cgf.12052
Publisher version: http://dx.doi.org/10.1111/cgf.12052
Language: English
Additional information: The definitive version is available at www.interscience.wiley.com
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of Arts and Humanities
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of Arts and Humanities > Centre for Editing Lives and Letters
URI: https://discovery.ucl.ac.uk/id/eprint/1387196
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