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Optical flow estimation through velocity-based surface fitting
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UNSPECIFIED (2003) Optical flow estimation through velocity-based surface fitting. In: 7th Joint Conference on Information Sciences (JCIS), RES TRIANGLE PK, NC, SEP 26-30, 2003. Published in: PROCEEDINGS OF THE 7TH JOINT CONFERENCE ON INFORMATION SCIENCES pp. 805-808. ISBN 0-9707890-2-5.
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Abstract
In this paper we concentrate on investigating the first-order differential method for optical flow estimation and propose a novel velocity-based surface fitting technique. The surface fitting not only smoothes the image data, but also uses a polynomial function to represent the intensity of the fitted image. This integrates pre-filtering procedure and the intensity gradient estimation and thus provides a simple approach to optical flow estimation. The velocity-based technique adapts the degree of smoothing by changing the size of the fitting window based on the calculated motion field, and therefore produces a more accurate optical flow. The strengths of our approach are its algorithmic simplicity and its good performance in most synthetic and real image sequences, especially those containing simple texture.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software | ||||
Journal or Publication Title: | PROCEEDINGS OF THE 7TH JOINT CONFERENCE ON INFORMATION SCIENCES | ||||
Publisher: | ASSOC INTELLIGENT MACHINERY | ||||
ISBN: | 0-9707890-2-5 | ||||
Editor: | Chen, SH and Cheng, HD and Chiu, DKY and Das, S and Duro, R and Kerre, EE and Leong, HV and Li, Q and Lu, M and Romay, MG and Ventura, D and Wu, J | ||||
Official Date: | 2003 | ||||
Dates: |
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Number of Pages: | 4 | ||||
Page Range: | pp. 805-808 | ||||
Publication Status: | Published | ||||
Title of Event: | 7th Joint Conference on Information Sciences (JCIS) | ||||
Location of Event: | RES TRIANGLE PK, NC | ||||
Date(s) of Event: | SEP 26-30, 2003 |
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