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Deriving optical flow in noisy image sequences

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Goh, Wooi Boon and Martin, Graham R. (1991) Deriving optical flow in noisy image sequences. University of Warwick. Department of Computer Science. (Department of Computer Science research report). (Unpublished)

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Abstract

A technique is presented extracting local image motion utilising the properties of spatiotemporal orientation i n the frequency domain. This technique is based on the eigenvalue analysis of the inertia tensor matrix of the frequency domain. An iterative velocity field smoothing algorithm was developed based on the properties of a variant of this inertia tensor matrix. This iterative algorithm is able to smooth noisy translational, rotational and other smoothly varying velocity flow fields, within the constraints of motion discontinuities. Some results from the application of this algorithm to noisy random dot sequences are presented.

Item Type: Report
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Science > Computer Science
Library of Congress Subject Headings (LCSH): Digital video, Image analysis
Series Name: Department of Computer Science research report
Publisher: University of Warwick. Department of Computer Science
Official Date: July 1991
Dates:
DateEvent
July 1991Completion
Number: Number 190
Number of Pages: 20
DOI: CS-RR-190
Institution: University of Warwick
Theses Department: Department of Computer Science
Status: Not Peer Reviewed
Publication Status: Unpublished
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