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Optical Flow Estimation Using Line Image Sequences

P. Thévenaz, H. Hügli

Proceedings of the British Pattern Recognition Association Fourth International Conference on Pattern Recognition (BPRA'88), Cambridge, United Kingdom, March 28-30, 1988, [Lecture Notes in Computer Science, vol. 301, J. Kittler, Ed., Springer-Verlag, 1988], pp. 468-477.


Presents and evaluates a method for measuring the speed of objects in line image sequences. In a line sequence, a line corresponds to a fixed line position in the real scene, and the objects move against it. The line image sequence is a space-time two-dimensional image giving a good record of moving objects. The method uses two such line image sequences and estimates the object speed by optical flow computation. Unidirectional movement of the objects is assumed which simplifies the optical flow computation and makes it a simple method to implement. The usefulness and performance of the method is shown by an example comprising several vehicles of different speed. The performance evaluation shows good linearity and low error.

@INPROCEEDINGS(http://bigwww.epfl.ch/publications/thevenaz8802.html,
AUTHOR="Th{\'{e}}venaz, P. and H{\"{u}}gli, H.",
TITLE="Optical Flow Estimation Using Line Image Sequences",
BOOKTITLE="Proceedings of the British Pattern Recognition
	Association Fourth International Conference on Pattern Recognition
	({BPRA'88})",
YEAR="1988",
editor="Kittler, J.",
volume="301",
series="Lecture Notes in Computer Science",
pages="468--477",
address="Cambridge, United Kingdom",
month="March 28-30,",
organization="",
publisher="Springer",
note="")

© 1988 BPRA. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from BPRA. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
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