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In this paper, we propose a ball interface "TAMA" (Trajectory chAnging, Motion bAll; "tama" means a ball in Japanese) that can change its own trajectory dynamically. Conventionally, it is impossible to go against the laws of physics. However, if the trajectory of the balls can be changed during flight, that virtually means balls can fly against physical(More)
We propose a novel hand-gesture recognition method based on mechanomyograms (MMGs). Skeletal muscles generate sounds specific to their activity. By recording and analyzing these sounds, MMGs provide means to evaluate the activity. Previous research revealed that specific motions produce specific sounds enabling human motion to be classified based on MMGs.(More)
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