NDLI: Parallel algorithm for determining motion vectors in ice floe images by matching edge features

Content Provider	IEEE Xplore Digital Library
Author	Manohar, M. Ramapriyan, H.K. Strong, J.P.
Copyright Year	1988
Description	Author affiliation: NASA, Greenbelt, MD, USA (Manohar, M.; Ramapriyan, H.K.; Strong, J.P.)
Abstract	A parallel algorithm which is implemented on the massively parallel processor (MPP) for locating corresponding objects based on their translationally and rotationally invariant features is described. The algorithm first approximates the edges in the images by polygons or sets of connected straight-line segments. Each such edge structure is then reduced to a seed point. Associated with each seed point are the descriptions (lengths, orientations, and sequence numbers) of the lines constituting the corresponding edge structure. A parallel matching algorithm is used to match packed arrays of such descriptions to identify corresponding seed points in the two images. The matching algorithm is designed so that fragmentation and merging of ice floes are taken into account by accepting partial matches. The technique is shown to be successful on synthetic test patterns and real image pairs (SAR images of the Arctic Ocean from Seasat) in times ranging from 0.5 to 0.7 s for 128*128 images.<>
Starting Page	343
Ending Page	347
File Size	1106156
Page Count	5
File Format	PDF
ISBN	0818658924
DOI	10.1109/FMPC.1988.47448
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-10-10
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Parallel algorithms Ice Concurrent computing Synthetic aperture radar Image segmentation Image edge detection Arctic Oceans Space vehicles Merging
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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