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Journal Articles Pattern Recognition Letters Year : 2011

Smooth contour coding with minimal description length active grid segmentation techniques

Frédéric Galland
Arnaud Jaegler
  • Function : Author
Marc Allain
David Savery
  • Function : Author
Philippe Réfrégier
  • Function : Author
  • PersonId : 831483

Abstract

We analyze the influence of the contour coding term in segmentation techniques based on active grids and on the minimum description length (MDL) principle. These segmentation techniques have been developed up to now with a contour coding term adapted to polygonal objects. However, this approach can lead to degraded segmentation results for smooth contours of objects which can be observed for example in geoscience, medicine or microscopy. We demonstrate that an appropriate choice of the contour coding term can improve segmentation results with MDL active grid approaches in the presence of regions with smooth boundaries. This improvement opens a large class of application domains and still allows one to obtain low computational time.
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Dates and versions

hal-00649542 , version 1 (08-12-2011)

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Frédéric Galland, Arnaud Jaegler, Marc Allain, David Savery, Philippe Réfrégier. Smooth contour coding with minimal description length active grid segmentation techniques. Pattern Recognition Letters, 2011, 32 (5), pp.721-730. ⟨10.1016/j.patrec.2010.12.007⟩. ⟨hal-00649542⟩
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