Abstract

A wide field-of-view (FOV) image contains more visual information than a conventional image. This study proposes a new type of hyperbolic mirror for wide FOV image acquisition. The proposed mirror consists of a hyperbolic cylindrical section and a bowl-shaped hyperbolic omnidirectional section. Using an imaging system with this mirror, it is possible to achieve a 213.8° horizontal and a 126.94° vertical maximum FOV. Parameters of each section of the mirror are designed to be continuous at the junction of the two parts, and the resultant image is seamless. The image-acquisition model is obtained using ray-tracing optics. To rectify the geometrical distortion of the original image due to the mirror, an image-restoration algorithm based on conformal projection is presented in this study. The performance of the proposed imaging system with the hyperbolic mirror and its image-restoration algorithm are verified by experiments.

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Other (19)

Y. Schechner and S. NayarGeneralized mosaicing: high dynamic range in a wide field of viewInt. J. Comput. Vis.2003533245267

J. Foote and D. KimberFlycam: practical panoramic video and automatic camera controlProc. of IEEE Int’l Conf. on Multimedia and Expo2000314191422

S. Lee and M. KimMultiple camera based imaging system with wide-view and high resolution and real-time image registration algorithmJ. Inst. Electron. Inf. Eng.2012July41016

S. Shimizu, M. Kiyohara, and T. HashizumeDevelopment of micro wide angle fovea lensProc. of IECON 201225-28 (Oct. 2012)37963801

C. Zhou and S. NayarComputational cameras: convergence of optics and processingIEEE Trans. Image Process.20112012

G. Kim and Y. ChoiImage-processing based panoramic camera employing single fisheye lensJ. Opt. Soc. Korea2010143245259

J. Gluckman and S. NayarCatadioptric stereo using planner mirrorsInt. J. Comput. Vis.20014426579

G. Jang, S. Kim, and I. KweonSingle camera catadioptric stereo systemProc. of Workshop on Omnidirectional Vision, Camera Networks and Non-Classical Cameras (OMNIVIS 2005)2005

R. Hicks and R. BajcsyCatadioptric sensor that approximate wide-angle perspective projectionsProc. of Int’l Conf. on Pattern Recognition’002000545551

T. Svoboda and T. PajdlarEpipolar geometry for central catadioptric camerasInt. J. Comput. Vis.2002492337

B. Micusik and T. PajdlaStructure from motion with wide circular field of view camerasIEEE Trans. Pattern Anal. Mach. Intell.200628711351149

F. Marino, P. D. Ruvo, G. D. Ruvo, M. Nitti, and E. StellaHiPER 3-D: an omnidirectional sensor for high precision environmental 3-D reconstructionIEEE Trans. Ind. Electron.2012591579591

S. Yi and N. AhujaAn omnidirectional stereo vision system using a single cameraProc. of 18th Int’l Conf. on Pattern Recognition (ICPR’06)2006Sep

H. Nagahara, K. Yoshida, and M. YachidaAn omnidirectional vision sensor with single view and constant resolutionProc. of IEEE 11th Int’l Conf. on Computer Vision, Rio de Janeiro200718

L. Chen, W. Wang, M. Zhang, W. Bao, and X. ZhangComplementary-structure catadioptric omnidirectional sensor design for resolution enhancementOpt. Eng.2011503033201033201-9

S. Baker and S. NayarA theory of single-viewpoint catadioptric image formationInt. J. Comput. Vis.1999352175196

V. NalwaA true omnidirectional viewer, Bell Lab. Technical Report1996

K. Tan, H. Hua, and N. AhujaMultiview panoramic cameras using mirror pyramidsIEEE Trans. Pattern Anal. Mach. Intell.2004267941946

J. Sanchez and M. CantonSpace image processingCRC Press1998

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