NDLI: Synthesizing test image sequences for omnicamera: translating and rotating spheres

Content Provider	IEEE Xplore Digital Library
Author	Hirunyaphisutthikul, S. Tunwannarux, A.
Copyright Year	2004
Description	Author affiliation: Dept. of Electron. & Telecommun., Univ. of The Thai Chamber of Commerce, Bangkok, Thailand (Hirunyaphisutthikul, S.)
Abstract	Omnidirectional cameras or omnicameras have been recently exploited in a variety of applications, including autonomous navigation, remote surveillance, video conferencing, and scene recovery. In these applications, there are important problems, such as motion detection, ego motion analysis, 3D motion inference, scene segmentation, and object structure or camera parameter analysis that require image flow from image sequences as a fundamental measure. Some synthetic image sequences are currently available for testing, but unfortunately, there is no algorithm for synthesizing image sequences with accurate groundtruth flow fields and motions close to reality for the omnidirectional camera. In this paper, we present an approach to synthesize test image sequences for omnidirectional cameras. Our algorithm provides synthetic test image sequences of translating and/or rotating spheres in front of a catadioptric omnicamera. With the known optic flow groundtruth, these synthetic image sequences can be used for evaluation and comparison among various image flow estimation techniques. The result image sequences of a translating sphere, a rotating sphere, and both translating and rotating sphere are generated. Their central frame and groundtruth flow fields are also shown.
Starting Page	421
Ending Page	426
File Size	531278
Page Count	6
File Format	PDF
ISBN	0780385934
DOI	10.1109/ISCIT.2004.1412880
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-26
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image motion analysis Navigation Surveillance Layout Cameras Motion detection Image sequences Motion analysis Videoconference Testing
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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