A Generic Multi-Projection-Center Model and Calibration Method for Light Field Cameras
Zhang, Qi1; Zhang, Chunping1; Ling, Jinbo1; Wang, Qing1; Yu, Jingyi2
2019-11
Source PublicationIEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE
ISSN0162-8828
Volume41Issue:11Pages:2539-2552
Status已发表
DOI10.1109/TPAMI.2018.2864617
Abstract

Light field cameras can capture both spatial and angular information of light rays, enabling 3D reconstruction by a single exposure. The geometry of 3D reconstruction is affected by intrinsic parameters of a light field camera significantly. In the paper, we propose a multi-projection-center (MPC) model with 6 intrinsic parameters to characterize light field cameras based on traditional two-parallel-plane (TPP) representation. The MPC model can generally parameterize light field in different imaging formations, including conventional and focused light field cameras. By the constraints of 4D ray and 3D geometry, a 3D projective transformation is deduced to describe the relationship between geometric structure and the MPC coordinates. Based on the MPC model and projective transformation, we propose a calibration algorithm to verify our light field camera model. Our calibration method includes a close-form solution and a non-linear optimization by minimizing re-projection errors. Experimental results on both simulated and real scene data have verified the performance of our algorithm.

KeywordMulti-projection-center (MPC) model light field cameras two-parallel-plane (TPP) representation calibration
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Indexed BySCI
Funding ProjectNSFC[61531014]
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Artificial Intelligence ; Engineering, Electrical & Electronic
WOS IDWOS:000489838200001
PublisherIEEE COMPUTER SOC
Original Document TypeArticle
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://kms.shanghaitech.edu.cn/handle/2MSLDSTB/29994
Collection信息科学与技术学院
信息科学与技术学院_PI研究组_虞晶怡组
Corresponding AuthorWang, Qing
Affiliation1.Northwestern Potytech Univ, Sch Comp Sci, Xian 710072, Shaanxi, Peoples R China
2.ShanghaiTech Univ, Sch Informat Sci & Technol, Virtual Real & Visual Comp Ctr, Shanghai 200031, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Qi,Zhang, Chunping,Ling, Jinbo,et al. A Generic Multi-Projection-Center Model and Calibration Method for Light Field Cameras[J]. IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE,2019,41(11):2539-2552.
APA Zhang, Qi,Zhang, Chunping,Ling, Jinbo,Wang, Qing,&Yu, Jingyi.(2019).A Generic Multi-Projection-Center Model and Calibration Method for Light Field Cameras.IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE,41(11),2539-2552.
MLA Zhang, Qi,et al."A Generic Multi-Projection-Center Model and Calibration Method for Light Field Cameras".IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE 41.11(2019):2539-2552.
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