We present a new 3D motion sensing system. Object motion information is being used in various applications, and the types of targets that can be sensed continue to diversify. Nevertheless, conventional motion sensing systems have low universality because they require some devices to be mounted on the target, such as accelerometers and gyro sensors, or because they are based on cameras, which highly depend on the target shape or texture and require high calculation costs. In particular, when the target has no texture on the surface and no distinctive structural features, the methods based on cameras inevitably fail. Our method solves this problem and enables noncontact, high-speed, deterministic measurement of the velocity of a moving target without any prior knowledge about the target shape and texture, and can be applied to any unconstrained, unspecified target. Using this technique and a prototype system that we developed, we also demonstrated a number of applications, including motion capture, video game control, and 3D shape integration with everyday objects.
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3D Motion Sensing of any Object by Using Multiplexed Lasers"
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