A Novel Approach of Palm-Line Extraction

  • Authors:
  • Xiangqian Wu;Kuanquan Wang;David Zhang

  • Affiliations:
  • Harbin Institute of Technology;Harbin Institute of Technology;Hong Kong Polytechnic University

  • Venue:
  • ICIG '04 Proceedings of the Third International Conference on Image and Graphics
  • Year:
  • 2004

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Abstract

Palm-lines, including the principal lines and wrinkles, can describe a palmprint clearly. This paper presents a novel approach of palm-line extraction for the online palm-prints. This approach is composed of two stages: coarse-level extraction stage and fine-level extraction stage. In the first stage, morphological operations are used to extract palm-lines in different directions. In the second stage, for each extracted line, a recursive process is devised to further extract and trace the palm-line using the local information of the extracted part. Experimental results show that the proposed approach is suitable for palm-line extraction.