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Edge detection and curvature calculation in the visual system

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Abstract

A new model of edge detection in a visual system is presented, where the edge locations are assumed to be at the place of negative peaks of ▿2G * I. Related schemes of detecting edges and calculating the curvature of the edge locus are also presented. It is assumed that the locations of receptive field centers of geniculate cells move with an input image. The arrangement of the receptive fields is given as a solution of an optimization problem. An edge detection algorithm based on the arrangement is presented. The edge detection algorithms are applied to three examples, i.e., Helmholtz irradiation, a face image, and a circular one.

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Authors and Affiliations

  1. Department of System Engineering, Faculty of Engineering, Shizuoka University, 5-1 Johoku 3-chome, Hamamatsu, 432-8561, Japan

    Seizaburo Niitsuma & Koshin Tokunaga

Authors
  1. Seizaburo Niitsuma
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  2. Koshin Tokunaga
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Corresponding author

Correspondence to Seizaburo Niitsuma.

Additional information

This work was presented, in part, at the 9th International Symposium on Artificial Life and Robotics, Oita, Japan, January 28–30, 2004

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Niitsuma, S., Tokunaga, K. Edge detection and curvature calculation in the visual system. Artif Life Robotics 9, 135–138 (2005). https://doi.org/10.1007/s10015-004-0326-4

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  • DOI: https://doi.org/10.1007/s10015-004-0326-4

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