NDLI: Omnidirectional Depth Estimation by a Single Perspective Camera

Content Provider	IEEE Xplore Digital Library
Author	Feng Zhu Liancheng Su
Copyright Year	2006
Description	Author affiliation: Shenyang Inst. of Autom., Chinese Acad. of Sci., Shenyang (Feng Zhu; Liancheng Su)
Abstract	Omnidirectional depth recovery in a novel omnidirectional stereo vision system was addressed. The stereo vision based on a common perspective camera coupled with two hyperbolic mirrors. Given two images of a same point acquired the system, the depth is calculated by means of triangulation. The calculation process aims at having corresponding incident rays intersecting at the same 3D point. As the hyperbolic mirrors ensure a single viewpoint (SVP) the incident light rays are easily found from the points of the image. The two hyperbolic mirrors are aligned coaxially and separately, share one focus that coincides with the camera center. So the geometry of the system naturally ensures matched epipolar lines in the two images of the scene. The separation between the two mirrors provides a large baseline and eventually leads to a precise result. The geometrical properties are derived and the experiments with real images are presented
Starting Page	9854
Ending Page	9857
File Size	159620
Page Count	4
File Format	PDF
ISBN	1424403324
DOI	10.1109/WCICA.2006.1713921
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cameras Mirrors Stereo vision Content addressable storage Optical sensors Image sensors Navigation Laboratories Automation Optical imaging depth recovery Omnidirectional stereo vision catadioptric sensor
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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