This paper presents the design, implementation, and evaluation of a sports tactics analysis supporting system. In the field of sports, tactics analysis is conducted using data from multiplayer games. In so doing, it is important to recognize the actual play in a sports game. This research focuses on reproducing player action in sports games. Unlike the conventional systems that only display static images of the players, this proposal system shows the player moving in a manner similar to a game in virtual space that reproduces the pitch, so user is able to have realistic image of game, and therefore the user acquires proper spatial information. The system also allows the user to move the object by touching a display. Consequently, it provides an environment in which users can easily discuss the game. From experiments, we confirmed the system facilitates users in tactics analysis.

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