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Identifying table tennis balls from real match scenes using image processing and artificial intelligence techniques

Wong, Patrick (2009). Identifying table tennis balls from real match scenes using image processing and artificial intelligence techniques. International Journal of Simulation Systems, Science & Technology, 10(7) pp. 6–14.

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Abstract

Table tennis is a fast sport and it is very difficult for a normal human being to manage accurate umpiring, especially in services (serves), which usually take less than a second to complete. The umpire needs to make over 30 observations and makes a judgment before or soon after the service is complete. This is a complex task and the author believes the employment of image processing and artificial intelligence (AI) technologies could aid the umpire to evaluating services more accurately. The aim of this research is to develop an intelligent system which is able to identify and track the location of the ball from live video images and evaluate the service according to the service rules. In this paper, the discussion is focused on the development of techniques for identifying a table tennis ball from match scenes. These techniques formed the basis of the ball detection system. Artificial neural networks (ANN) have been designed and applied to further the accuracy of the detection system. The system has been tested on still images taken at real match scenes and the preliminary results are very promising. Almost all the balls from the images have been correctly identified. The system has been further tested on some video images and the preliminary result is also very encouraging. It shows the system could tolerate the poorer quality of video images. This paper also discusses the idea of employing multiple cameras for improving accuracy. A multi-agent system is proposed because it is known to be able to coordinate and manage the flow of information more effectively.

Item Type: Journal Article
Copyright Holders: 2010 The Author
ISSN: 1473-804X
Keywords: image processing; neural networks; multi-agent systems; table tennis umpiring
Academic Unit/Department: Mathematics, Computing and Technology > Computing & Communications
Item ID: 22642
Depositing User: Patrick Wong
Date Deposited: 04 Aug 2010 14:04
Last Modified: 10 Dec 2012 23:41
URI: http://oro.open.ac.uk/id/eprint/22642
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