Edge detection in digital image using variable template operator

  • Authors:

  • Young-Hyun Baek;Oh-Sung Byun;Sung-Ryong Moon;Deok-Soo Baek

  • Affiliations:

  • Department of Electronic Engineering, Wonkwang University, Iksan, Korea;Department of Electronic Engineering, Wonkwang University, Iksan, Korea;Department of Electronic Engineering, Wonkwang University, Iksan, Korea;Department of Electronic Engineering, Iksan National College, Iksan, Korea

  • Venue:
  • KES'05 Proceedings of the 9th international conference on Knowledge-Based Intelligent Information and Engineering Systems - Volume Part IV
  • Year:
  • 2005

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Abstract

This paper discusses an approach for detecting a new edge in color images. The color image is to be represented by a vector field, and the color image edges are detected as differences in the local vector statistics. This method is based on the calculation for the vector angle between two adjacent pixels. Unlike Euclidean distance in RGB space, the vector angle distinguishes the differences in chromaticity, independent of luminance or intensity. The proposed approach can easily accommodate concepts, such as variable template edge detection, as well as the latest developments in vector order statistics for color image processing. In this paper, it is used not a conventional fixed template operator but a variable template operator. The variable template is implemented and experimental results for digital color images are included.