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题名:
Experimental analysis and improvement on camera calibration pattern
作者: Li, Lulu1,2,3; Zhao, Wenchuan1; Wu, Fan1; Liu, Yong2; Gu, Wei1
刊名: OPTICAL ENGINEERING
出版日期: 2014
卷号: 53, 期号:1
关键词: calibration pattern ; characteristic point extraction ; fringe analysis ; Fourier transform ; phase shifting
文章类型: Article
英文摘要: Three typical calibration patterns, including checkerboard, Gaussian point grid, and crossed fringe patterns, are chosen to find a good one for camera calibration. Through computer simulation and camera intrinsic parameter calibration experiment, the crossed sine fringe pattern using fringe analysis method is defined as the one with the best precision. However, the phase information is obtained by Fourier transform (FT), which cannot detect the points located in the edge of the point grid. Thus, an innovative method uses phase shifting in the fringe analysis process is proposed, it can avoid the extraction misplacement in the edge of the point grid by the FT method, and make the crossed sine fringe pattern more usable in camera calibration. The camera extrinsic parameter calibration experiment proves the effectiveness of the recent method. (C) 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: POINTS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000337168500005
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2450
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Univ Elect Sci & Technol China, Sch Optoelect Informat, Chengdu 610054, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Li, Lulu,Zhao, Wenchuan,Wu, Fan,et al. Experimental analysis and improvement on camera calibration pattern[J]. OPTICAL ENGINEERING,2014,53(1).
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