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De-warping of scanned images
Google Inc..
Google Inc..
2004 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

A system includes a stereoscopic camera to generate images of a document, such as a book, that can be converted to a three-dimensional contour of the document. A second camera take a two-dimensional image of the document. A model is generated that defines a mapping between the three-dimensional contour of the document and a two-dimensional flattened (de-warped) version of the document. The model may be applied to the two-dimensional image taken by the second camera to compensate for warping in the image.

Place, publisher, year, edition, pages
2004.
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:kth:diva-38216OAI: oai:DiVA.org:kth-38216DiVA: diva2:436264
Patent
US 7463772 (2008-12-09)
Note

QC 20111118. QC 20130806

Available from: 2011-08-22 Created: 2011-08-22 Last updated: 2013-08-06Bibliographically approved

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Saric, Marin
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