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[PDF] Document Image Dewarping Contest | Semantic Scholar
Dewarping of documents captured with hand-held cameras in an uncontrolled environment has triggered a lot of interest in the scientific community over the last few years and many approaches have been proposed. However, there has been no comparative evaluation of different dewarping techniques so far. In an attempt to fill this gap, we have organized a page dewarping contest along with CBDAR 2007....
Ridges based Curled Textline Region Detection from ...
Fig.2. a) Grayscale camera-captured document image from CDBAR 2007 de-warping contest dataset. b) Smoothed image : Enhanced curled textlines struc-ture. c) Poor binarization (adaptive thresholding) result of smoothed image. d) Detected ridges from smooth image which are mapped over document image with di erent colors; represent curled textlines ......
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