日本バーチャルリアリティ学会論文誌
Online ISSN : 2423-9593
Print ISSN : 1344-011X
ISSN-L : 1344-011X
基礎論文 paper
Developing the Thrower Detection System for Seamless Player-Ball Interaction in Augmented Dodgeball
Kadri RebaneDavid HoernmarkRyota ShijoSho SakuraiKoichi HirotaTakuya Nojima
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ジャーナル フリー

2021 年 26 巻 2 号 p. 129-138

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Getting enough movement is crucial for people of any age group. In the modern world, the lifestyle has become increasingly sedentary, so getting enough physical activity in a day relies on the free will of people during their leisure time. Augmenting sports is a way to make physical activities more exciting, fun, and enjoyable by virtue of computer game concepts. However, to achieve these augmented sports, a system to detect events in the physical world and send them to a computer game engine is required. Thus, the reliability of such systems has a significant impact on the player experience. Especially in augmented sports with a ball, player-ball interaction is critical for detecting physical events. This paper discusses the hardware design implementations that are used in developing the augmented dodgeball thrower detection system. We discuss the system’s design iterations from the prototype with a helmet and RFID tags to the current glove system using a Hall sensor and magnets on the ball. We overview the overall mechanical design considerations to make the system light and portable, details about calibrating, and sensor placement. The described sensor calibration and placement improved the accuracy of detecting the ball near the sensor and therefore improved recognizing the player-ball interaction event during the game.

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