NDLI: A Bayesian method for triangulation and its application to finding corresponding points

Content Provider	IEEE Xplore Digital Library
Author	Bedekar, A.S. Haralick, R.M.
Copyright Year	1995
Description	Author affiliation: Dept. of Electr. Eng., Washington Univ., Seattle, WA, USA (Bedekar, A.S.; Haralick, R.M.)
Abstract	The problems of finding corresponding points from multiple perspective projection images, and estimating the 3-D points from which these points have arisen, are addressed. The problem of finding corresponding points is formulated as a hypothesis verification problem. Given a set of 2-D points, one from each of N perspective projection images, under the hypothesis that the points are projections of the same 3-D point, the coordinates of the 3-D point are estimated. The triangulation problem-the problem of estimating the coordinates of a 3-D point, given its projections in N perspective projection images-is posed as a Bayesian estimation problem, taking into account the uncertainties in the observed image points and the camera parameters. Based on the Bayesian estimate of the triangulated point, a statistical test is derived for verifying the hypothesis that the given set of image points is in correspondence. For finding N-tuples of corresponding points from N perspective projection images, this test can be used on each N-tuple of points to verify the hypothesis that that N-tuple of points is in correspondence, selecting those N-tuples that pass the hypothesis test. Experiments are described for characterizing the distance of the 3-D point estimated by the Bayesian triangulation from the true 3-D point, and characterizing the misdetection and false alarm rates of this method of finding corresponding points.
Starting Page	362
Ending Page	365
File Size	357666
Page Count	4
File Format	PDF
ISBN	0818673109
DOI	10.1109/ICIP.1995.537490
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-10-23
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bayesian methods Testing Cameras Uncertainty Layout Covariance matrix Bipartite graph
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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