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Nintendo Corp.'s Wii game console is a breakout hit in large part because users control the play by waving around a motion-sensing wireless controller. Many new gadgets are taking the idea of such an intuitive interface several steps further. Soon, you may be able to control computers, television sets, even cell phones with hand gestures alone.
In one demonstration by 3DV Systems at the International Consumer Electronics Show here last week, users stood in front of a large screen and controlled a Windows computer with hand gestures: thumb left to go left, index finger right to go right, victory sign for Enter.
JVC demonstrated a prototype TV with controls based on the same idea: gestures and sounds like snaps and claps turn the set on or off, control volume or change the channel.
The prospect of never again having to search the sofa for a remote is sure to be welcome in many homes, but the traditional fight over the remote could become worse: imagine two kids engaged in a sign-language duel to control the set, with the picture and sound changing frantically to keep up.
In another demo, when a 3DV employee did boxing motions an avatar on the screen in front of him mimicked the movement of his entire upper body — quite a step up from the boxing game of the Wii, which only senses the movement of the controllers.
A particularly popular Wii game is bowling, where the user swings the remote as if it were a ball.
The technology isn't just for fun: it can be healthy too. Francis MacDougall, GestureTek's chief technology officer, said the company has run studies of stroke patients playing a snowboarding game by moving in front of a camera and found it improved their balance. Wiis also have been used for physical therapy. ■AP
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