Optimal Edge Detection Using Perfect Sharpening of Ramp Edges

  • Eun Mi Kim
  • Cherl Soo Pahk
  • Jong Gu Lee
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3982)


The strictly monotonic intensity profiles of ramp edges are mapped to a simple step function of intensity. Such a perfect sharpening of ramp edges can be used to define a differential operator nonlocally, in terms of which we can construct an edge detection algorithm to determine the edges of images effectively and adaptively to varying ramp widths.


Edge Detection Directional Derivative Edge Pixel Edge Detection Algorithm Edge Line 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Eun Mi Kim
    • 1
  • Cherl Soo Pahk
    • 2
  • Jong Gu Lee
    • 3
  1. 1.Dept. of Computer ScienceHowon Univ.Korea
  2. 2.Dept. of Visual Optics and OptometryDaebul Univ.Korea
  3. 3.Dept. of Computer ScienceChonbuk Univ.Korea

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