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计算机工程 ›› 2007, Vol. 33 ›› Issue (05): 166-167. doi: 10.3969/j.issn.1000-3428.2007.05.059

• 人工智能及识别技术 • 上一篇    下一篇

一种求取指纹图像方向的方法

黄 坤,李见为,吴心红   

  1. (重庆大学光电技术及系统教育部重点实验室,重庆400044)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-03-05 发布日期:2007-03-05

Method for Getting Direction Image of Fingerprint

HUANG Kun, LI Jianwei, WU Xinhong   

  1. (Key Lab of State Education Ministry on Optic-electronic Technique and System, Chongqing University, Chongqing 400044)
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-03-05 Published:2007-03-05

摘要: 指纹识别日益成为一种有效的身份识别的手段。在对指纹图像进行处理的过程中,指纹方向信息的求取是一项关键技术,它对指纹图像的预处理和后处理都有重要的影响。该文提出了一种指纹图像方向求取方法。实验证明了该方法快速、有效。

关键词: 指纹识别, 方向图, 指纹图像

Abstract: Fingerprint identification is becoming an effective method for identity recognizing. Fingerprint direction extraction is a key technique for fingerprint image processing, affecting fingerprint image pre-processing and post-processing heavily. A new algorithm of fingerprint direction extraction is presented. Experimental results show that this new algorithm is fast and effective.

Key words: Fingerprint identification, Orientation field, Finger image