NDLI: Underwater navigation by video sequence analysis

Content Provider	IEEE Xplore Digital Library
Author	Aguirre, F. Boucher, J.M. Jacq, J.J.
Copyright Year	1990
Description	Author affiliation: Groupe Traitement d'Image, Ecole Nat. Superieure des Telecommun. de Bretagne, Brest, France (Aguirre, F.; Boucher, J.M.; Jacq, J.J.)
Abstract	A method to estimate the trajectory of a submersible vehicle from conventional video images is presented. A movement estimation approach establishes correspondences between the feature points of several selected areas in two successive images. The generalized Hough transform (GHT) is used to estimate the vehicle's trajectory by determining the translation associated to the selected feature points in the images. The performances of the GHT are improved by using a Kalman filter, which predicts the feature point positions on the next image. Three confidence factors were computed to evaluate the GHT performances in noisy images, which are also used to weight the displacement of each area in the computation of the image mean displacement. The algorithm was tested with several undersea video sequences from an experiment carried out by the French Institute for the Research and Exploitation of the Sea. This approach leads to a robust and accurate trajectory estimation.
Starting Page	537
Ending Page	539
File Size	366521
Page Count	3
File Format	PDF
ISBN	0818620625
DOI	10.1109/ICPR.1990.119424
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-06-16
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Navigation Video sequences Vehicles Image edge detection Cameras Kalman filters Motion estimation Automatic control Charge-coupled image sensors Image sequence analysis
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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