Robot Hand Beats You At Rock, Paper, Scissors 100% of the Time 225
wasimkadak writes "This robot hand will play a game of rock, paper, scissors with you. Sounds like fun, right? Not so much, because this particular robot wins every. Single. Time. It only takes a single millisecond for the robot to recognize what shape your hand is in, and just a few more for it to make the shape that beats you, but it all happens so fast that it's more or less impossible to tell that the robot is waiting until you commit yourself before it makes its move, allowing it to win 100% of the time."
Shed some light (Score:5, Informative)
Here [u-tokyo.ac.jp] is the original article, excerpt: "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."
Here [u-tokyo.ac.jp] is a link to a video showing what it can do.
And now, the obligatory comment: I, for one, welcome our robotic rock-paper-scissors-playing overlords.
a bit misleading (Score:5, Informative)
Being faster? That's just cheating. On reading the headline, I thought they had developed an algorithm that predicted your next move, which would have been much more impressive. You DO get a ~40% improved chance of winning with this strategy:
When your opponent loses, his next move will be to beat whatever your move was on that round.
move 1) opp: rock you: paper # opponent loses to paper, so his next move will be to win over paper
move 2) opp: scissors you: rock # opponent loses to rock, so his next move will be to win over rock
move 3) opp: paper you: scissors # opponent loses to scissors, so his next move will be to win over scissors
etc.
It's self-reinforcing because after losing several throws in a row, opp becomes frustrated and less analytical, making it harder for them to see the pattern they are developing. :)
But that isn't absolute prediction, that's just playing on your opponent's human instinct. The robot hand isn't predicting anything.
Re:Cheater. (Score:4, Informative)
Furthermore there are even 'advanced' tactics. http://www.worldrps.com/advanced-rps [worldrps.com]