Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (33): 181-183.DOI: 10.3778/j.issn.1002-8331.2008.33.055

• 图形、图像、模式识别 • Previous Articles     Next Articles

Gradient functions in eight connectivity and four connectivity edge tracking

ZHAO Jing-dong,YE Chuan-xiu   

  1. School of Mathematical Science,Qufu Normal University,Qufu,Shandong 273165,China
  • Received:2007-12-17 Revised:2008-03-07 Online:2008-11-21 Published:2008-11-21
  • Contact: ZHAO Jing-dong

8连通和4连通边缘跟踪中的梯度函数

赵京东,叶传秀   

  1. 曲阜师范大学 数学科学学院,山东 曲阜 273165
  • 通讯作者: 赵京东

Abstract: By analyzing Di Zenzo’s algorithm,with eight connectivity and four connectivity edge tracking process,several gradient functions are introduced.Experiments show that this algorithm has got good efficiency and results in color image edge detection.

Key words: gradient, Prewitt operator, edge detection, color image

摘要: 通过分析Di Zenzo算法,结合8连通和4连通边缘跟踪的过程,引入几个梯度函数。实验表明,它们在彩色图像边缘检测中均得到良好的效率和结果。

关键词: 梯度, Prewitt算子, 边缘检测, 彩色图像