That’s not Fair: A Rock/Paper/Scissors Robot With a 100% Win Rate [Video]


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From the Ishikawa Oku Laboratory at The University of Tokyo:

In this research we develop a janken (rock-paper-scissors) robot with 100% winning rate as one example of human-machine cooperation systems. Human being plays one of rock, paper and scissors at the timing of one, two, three. According to the timing, the robot hand plays one of three kinds so as to beat the human being.

Recognition of human hand can be performed at 1ms with a high-speed vision, and the position and the shape of the human hand are recognized. The wrist joint angle of the robot hand is controlled based on the position of the human hand. The vision recognizes one of rock, paper and scissors based on the shape of the human hand. After that, the robot hand plays one of rock, paper and scissors so as to beat the human being in 1ms.

[Ishikawa Oku Laboratory]





4 Responses to That’s not Fair: A Rock/Paper/Scissors Robot With a 100% Win Rate [Video]

  1. this is little more than it seeing what you play then responding. It just manages to process it quickly enough that it seems simultaneous.

  2. Would be interesting to see if humans can adapt and cheat the robot (for instance waving the fingers, faking a paper then removing three fingers at the very last moment)