NDLI: Generic curvature features from 3-D images

Content Provider	IEEE Xplore Digital Library
Author	Sander, P.T.
Copyright Year	1971
Abstract	The author presents a method for the computation of certain singularities-parabolic and umbilic points-of the principal curvature and direction fields of surfaces in three-dimensional images. He shows that the fields themselves must be estimated with sufficient accuracy to support the singularity computation, and he develops a refinement algorithm to that end on the basis of an iterative minimization over the estimated local structure at surface trace points. At each iteration, the information at each point is updated to best fit, in the least-squared-error sense, the information at its neighboring points. Most important to the minimization process is the development of a method permitting the comparison of information at spatially separate trace points, which makes explicit the assumption that the points are actually on an underlying smooth two-dimensional surface. The effectiveness of this approach on synthetic images to which controlled amounts of noise has been added, as well as on clinical magnetic resonance imagery, is shown.<>
Starting Page	1623
Ending Page	1636
Page Count	14
File Size	1714288
File Format	PDF
ISSN	00189472
Volume Number	19
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-11-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Shape Computer vision Robust stability Magnetic noise Noise shaping Magnetic resonance Object recognition Noise robustness Design methodology Councils
Content Type	Text
Resource Type	Article
Subject	Engineering

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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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