没入型ディスプレイにおける身体動作を利用したインタフェースの検討

概要

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We have developed a virtual space interface using gesture in immersive projection display. 3D posture of human arams and hieght of body are tracked by image processing without any device on one's body. This allows us to enhance freedom of moving in the display and not to lose the immersion due to manipulation of objects. The images are taken with two monochrome cameras which have enough sensitivity even in the dark projection display. After tracking edges of the arms and top of the head, user's viewpoint is obtained from calculating movemennts of the posture. To evaluate the interface, we have done the experiment that four subjects made trials of walk-through in 3D space, comparing the gesture interface with a joystick. The results show the gesture-interface is not only faster than the joystick for moving control in the 3D virtual space, but also better at making perspective perception or immersion. The developed system is applicable as a non-contact type user interface for moving around in virtual space.
2001-06-11