Automatic tracking sensor camera system

Takao Tsuda; Daiichiro Kato; Akio Ishikawa; Seiki Inoue

doi:10.1117/12.420907

4 April 2001 Automatic tracking sensor camera system

Takao Tsuda, Daiichiro Kato, Akio Ishikawa, Seiki Inoue

Proceedings Volume 4301, Machine Vision Applications in Industrial Inspection IX; (2001) https://doi.org/10.1117/12.420907
Event: Photonics West 2001 - Electronic Imaging, 2001, San Jose, CA, United States

Abstract

We are developing a sensor camera system for automatically tracking and determining the positions of subjects moving in three-dimensions. The system is intended to operate even within areas as large as soccer fields. The system measures the 3D coordinates of the object while driving the pan and tilt movements of camera heads, and the degree of zoom of the lenses. Its principal feature is that it automatically zooms in as the object moves farther away and out as the object moves closer. This maintains the area of the object as a fixed position of the image. This feature makes stable detection by the image processing possible. We are planning to use the system to detect the position of a soccer ball during a soccer game. In this paper, we describe the configuration of the developing automatic tracking sensor camera system. We then give an analysis of the movements of the ball within images of games, the results of experiments on method of image processing used to detect the ball, and the results of other experiments to verify the accuracy of an experimental system. These results show that the system is sufficiently accurate in terms of obtaining positions in three-dimensions.

Citation Download Citation

Takao Tsuda, Daiichiro Kato, Akio Ishikawa, and Seiki Inoue "Automatic tracking sensor camera system", Proc. SPIE 4301, Machine Vision Applications in Industrial Inspection IX, (4 April 2001); https://doi.org/10.1117/12.420907

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