Edge Detection Error in the Discrete Laplacian of Gaussian

  title={Edge Detection Error in the Discrete Laplacian of Gaussian},
  author={Steve R. Gunn},
This paper addresses the problem of determining suitable mask values and sizes for the discrete implementation of the Laplacian of Gaussian edge operator. This is achieved by providing a theoretical connection between the mask size and the edge detection error introduced by truncation of the operator. Additionally, the importance of introducing a bias correction within the finite approximation is developed. Experimental results are shown to confirm the theoretical predictions. 

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Kamlé. A discrete expression of canny’s criteria for step edge detector performance evaluation

  • T. D. Demigny
  • IEEE Transactions on Pattern Analysis and Machine…
  • 1997

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