吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (4): 1288-1296.doi: 10.13229/j.cnki.jdxbgxb201504038

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船载折反射全景视觉系统电子稳像算法

朱齐丹, 徐从营, 蔡成涛   

  1. 哈尔滨工程大学 自动化学院,哈尔滨 150001
  • 收稿日期:2013-11-21 出版日期:2015-07-01 发布日期:2015-07-01
  • 作者简介:朱齐丹(1963-),男,教授,博士生导师.研究方向:智能机器人,先进控制理论及应用.E-mail:zhuqidan@hrbeu.edu.cn
  • 基金资助:
    国家自然科学基金项目(61175089,61203255); 中央高校基本科研业务费专项资金项目(HEUCF110423,HEUCFZ1210); 博士后研究人员落户黑龙江科研启动资助金资助课题(LBH-Q11135)

Electronic image stabilization algorithm for on board catadioptric omnidirectional vision system

ZHU Qi-dan, XU Cong-ying, CAI Cheng-tao   

  1. College of Automation, Harbin Engineering University, Harbin 150001,China
  • Received:2013-11-21 Online:2015-07-01 Published:2015-07-01

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摘要： 为解决船载全景视觉系统在视频采集过程中的图像晃动问题,提出了一种基于海天线的电子稳像算法。根据全景图像中海天线成像特点,提出了一种最优边缘估计算法计算海天线成像椭圆方程。建立了基于海天线的全景图像稳像模型,介绍了海天线稳像算法的实现,并给出了使用关键帧对稳像无效区域的重建方法。使用实际海洋环境下拍摄的海上全景图像序列进行了验证分析,实验结果表明:该算法对船载全景视觉系统采集的视频图像稳像快速、有效,平均计算时间小于50 ms,实际应用效果良好。

关键词: 计算机应用, 折反射全景视觉, 电子稳像, 海天线提取, 图像重建

Abstract: An electronic image stabilization algorithm based on sea-sky line was presented to solve the slosh problem in the video acquired from the on board catadioptric omnidirectional vision system. Combing with the characteristics of sea-sky line in omnidirectional image, a feasible method based on optimal edge estimation was proposed to get the sea-sky line elliptic equation. The omnidirectional image stabilization model is built based on sea-sky line. The application of the sea-sky line image stabilization algorithm is introduced and the method of reconstructing the invalidated regions using sky frame is given. The actual test was carried out using sequential panoramic images, which were obtained in marine environment. Experimental results show that the proposed algorithm is fast and effective to solve video image stabilization for on board catadioptric omnidirectional vision system. The average computation time is less than 50 ms/frame, which has good application effect.

Key words: computer application, catadioptric omnidirectional vision, electronic image stabilization, sea-sky line extraction, image reconstruction

中图分类号: 

  • TP391
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