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Journal of Electronic Imaging

Efficiently tracking a moving object in two-dimensional image space
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Paper Abstract

A tracking algorithm has been developed to efficiently track a moving object in two-dimensional image space. The algorithm employs a limited exhaustive template matching scheme that combines the accuracy of an exhaustive search with the computational efficiency of a coarse-fine template matching scheme. The overall result is an accurate, time-efficient tracking algorithm. After providing a theoretical discussion of the algorithm, three separate biomedical applications of the algorithm are described: (1) stabilizing an irradiating laser on the retinal surface for photocoagulation treatment, (2) measuring target fixation eye movement to construct pattern densities at the retina, and (3) tracking a rat swimming in a Morris Water Maze for psychophysiological studies. Results for each application is provided. The paper concludes with a discussion of the relative merits of the tracking algorithm and recommendations for methods to improve the performance of the algorithm.

Paper Details

Date Published: 1 July 2001
PDF: 9 pages
J. Electron. Imag. 10(3) doi: 10.1117/1.1380202
Published in: Journal of Electronic Imaging Volume 10, Issue 3
Show Author Affiliations
Steven F. Barrett, Univ. of Wyoming (United States)
Cameron H. G. Wright, U.S. Air Force Academy (United States)
Harry Zwick, Walter Reed Army Institute of Research (United States)
Michael J. Wilcox, U.S. Air Force Academy (United States)
Benjamin A. Rockwell, Air Force Research Lab. (United States)
Espen Naess, Univ. of Wyoming (United States)


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