VR action games require quick responses to human fast actions. It is not easy to achieve the human interactive games by using simple devices including an immersive head-mounted display. Authors discuss the VR game system by utilizing visual recognitions to track 3D AR Marker which is attached with hand-held device, and to feedback estimated hand-motions to action game scenes. In previous study, there was a problem in the 3D AR Marker which limited to work at only achromatic color backgrounds. Authors newly developed 3D AR Marker to be used even in chromatic color backgrounds, and succeeded to expand workable fields of exciting VR action games by utilizing simple consumer-graded devices.
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