Method for detecting orientation of contours

Abstract : A method for detecting orientation of the contours in an image, performs an initial transformation of the image using a non-decimated multi-resolution transform, segments the image into a plurality of blocks, determines the optimal resolution for each block, and detects the predominant direction of contour for each of the blocks.
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Contributor : Pascal Bertolino <>
Submitted on : Tuesday, April 8, 2014 - 11:20:35 AM
Last modification on : Tuesday, July 10, 2018 - 1:18:15 AM


  • HAL Id : hal-00975235, version 1


Eric Van Reeth, Pascal Bertolino, Marina Nicolas. Method for detecting orientation of contours. United States, Patent n° : US8687897 B2. 2014, pp.16. ⟨hal-00975235⟩



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