VELOCITY-FIELD ESTIMATION USING A WEIGHTED LOCAL OPTIMIZATION

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Gradient-based methods for the computation of the velocity from image sequences assume that the velocity field varies smoothly over image. This creates difficulties at regions where the image intensity changes abruptly such as the occluding contours or region boundaries. In this letter, we propose a method to overcome these difficulties by incorporating the information of discontinuities in image intensity into a standard local optimization method. The presented method is applied to the synthetic and real images. The results show that the velocity field computed by the proposed method is less blurred at region boundaries than that of the standard method.
Publisher
IEICE-INST ELECTRON INFO COMMUN ENG
Issue Date
1993-04
Language
English
Article Type
Letter
Citation

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, v.E76A, no.4, pp.661 - 663

ISSN
0916-8508
URI
http://hdl.handle.net/10203/67154
Appears in Collection
EE-Journal Papers(저널논문)
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