NDLI: Quantitative photomosaicking of underwater imagery

Content Provider	IEEE Xplore Digital Library
Author	Singh, H. Howland, J. Yoerger, D. Whitcomb, L.
Copyright Year	1998
Description	Author affiliation: Dept. of Appl. Ocean Phys. & Eng., Woods Hole Oceanogr. Instn., MA, USA (Singh, H.)
Abstract	Looks at some of the justification behind photomosaicking for underwater imaging. One of the primary reasons for employing photomosaicking underwater is to obtain a better global perspective in the underwater environment. Due to physical constraints underwater, it is virtually impossible to frame large objects of interest within a single picture frame. Thus there has been considerable interest over the years in taking a series of images and composing them together into a composite photomosaic of the area of interest. The metric for judging such efforts have been largely qualitative equalizing the illumination across images to eliminate differences in intensity and paying careful attention to matching features that cross image boundaries to enhance the sense of continuity across the mosaic. Unfortunately these methods yield large overall distortions as the errors tend to accumulate in a photomosaic as successive images are added. The authors present results that highlight the need for more than a qualitative metric for determining the accuracy of a photomosaic. The authors use navigation data to analyze the rate and nature of error propagation in photomosaicking. By examining the nature of the error the authors show the potential of such a technique for generating large scale photomosaics with bounded errors.
Starting Page	263
Ending Page	266
File Size	1024812
Page Count	4
File Format	PDF
ISBN	0780350456
DOI	10.1109/OCEANS.1998.725749
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-09-28
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Oceans Navigation Underwater vehicles Sea measurements Least squares approximation Physics Mechanical engineering Lighting Data analysis Large-scale systems
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
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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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