Computer Engineering and Applications ›› 2007, Vol. 43 ›› Issue (22): 204-206.

• 工程与应用 • Previous Articles     Next Articles

New algorithm of automatic water level measurement based on image processing

REN Ming-wu,YANG Wan-kou,WANG Huan,LIU Zhi-feng,TANG Zhen-min   

  1. Department of Computer Science,Nanjing University of Science and Technology,Nanjing 210094,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-08-01 Published:2007-08-01
  • Contact: REN Ming-wu

一种基于图像的水位自动测量新方法

任明武,杨万扣,王 欢,刘治锋,唐振民   

  1. 南京理工大学 计算机学院,南京 210094
  • 通讯作者: 任明武

Abstract: Water level is a very important factor of hydrology.Presents a new algorithm of automatic water lever detection based on image processing.By integrating shape correction,edge detection,contour tracing and analysis,morphology,projection analysis and so on technologies,the method has achieved high accuracy and practical application.

Key words: water level, edge extraction, contour tracing, projection analysis

摘要: 河流的水位是非常重要的水文数据。提出了一种新的基于图像的水位自动测量算法,能够精确的检测和定位出水位线。该算法合理运用了形状校正、边缘检测、轮廓跟踪与分析、数字形态学、图像投影等图像处理技术,具有抗噪、抗光照不均、稳定可靠,实时性强、实现简单等优点。该算法实现的水位自动检测系统已经在工程上应用,长期实践表明它是稳定可靠的。

关键词: 水位, 边缘检测, 轮廓跟踪, 投影分析