Real-time unwrapping and rectification of high-resolution catadioptric panoramic video during non-stationary moving

Jian Wang*, Zhen Hai Zhang, Ke Jie Li, Hai Yan Shao, Tao Xu, Shuai Hou, Liang Zhang

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Catadioptric panoramic vision system has been widely used in many fields, and also plays a very important role in environment perception of unmanned platform especially. However, the resolution of system is not very high, usually less than 5 million pixels at present. Even if the resolution is high, but the unwrapping and rectification of panoramic video is carried out off-line. Further, the system is also applied in stationary state or low stationary moving. This paper proposes an unwrapping and rectification method based on high-resolution catadioptric panoramic vision system used during non-stationary moving. It can segment dynamic circular mark region accurately and get the coordinates of center of circular image real-timely, shorten the time of image processing, meanwhile the coordinates of center and radius of the circular mark region would be obtained, so the image distortion caused by inaccurate center coordinates can be reduced. During image rectification, after achieving radial distortions parameters (K1, K2, K3), decentering distortions parameters (P1, P2), and the correction factor that has no physical meanings, we can used those for fitting the rectification polynomial, so the panoramic video can be rectified without distortion.

Original languageEnglish
Title of host publicationMechanical Components and Control Engineering III
EditorsWeimin Ge
PublisherTrans Tech Publications Ltd.
Pages1098-1101
Number of pages4
ISBN (Electronic)9783038353126
DOIs
Publication statusPublished - 2014
Event3rd Asian Pacific Conference on Mechanical Components and Control Engineering, ICMCCE 2014 - Zhuhai, China
Duration: 20 Sept 201421 Sept 2014

Publication series

NameApplied Mechanics and Materials
Volume668-669
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference3rd Asian Pacific Conference on Mechanical Components and Control Engineering, ICMCCE 2014
Country/TerritoryChina
CityZhuhai
Period20/09/1421/09/14

Keywords

  • Dynamic circular marked region
  • High-resolution
  • Non-stationary motion state
  • Panoramic video
  • Real-time unwrapping and rectification

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