Improved Contour Detection by Non-classical Receptive Field Inhibition

  • Cosmin Grigorescu
  • Nicolai Petkov
  • Michel A. Westenberg
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2525)


We propose a biologically motivated computational step, called nonclassical receptive field (non-CRF) inhibition, to improve the performance of contour detectors. We introduce a Gabor energy operator augmented with non-CRF inhibition, which we call the bar cell operator.We use natural images with associated ground truth edge maps to assess the performance of the proposed operator regarding the detection of object contours while suppressing texture edges. The bar cell operator consistently outperforms the Canny edge detector.


Simple Cell Edge Pixel Canny Edge Detector Object Contour Texture Edge 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Cosmin Grigorescu
    • 1
  • Nicolai Petkov
    • 1
  • Michel A. Westenberg
    • 1
  1. 1.Institute of Mathematics and Computing ScienceUniversity of GroningenGroningenThe Netherlands

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