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- W2168644750 abstract "Conventional methods of navigating within a virtual reality environment involve the use of interfaces such as keyboards, hand-held input devices such as joysticks, mice and trackballs, and hand-worn data gloves. While these devices are mostly adequate, they are rather obstrusive and require some amount of training to use. Researchers have begun investigation into interfaces that have the capability to interpret human gestures visually.In this document, we describe an approach used to navigate virtual reality environments by tracking the pose (translation and orientation) of the user's face. This “hands-free” navigation is simple, intuitive and unobstrusive. It requires only commercially available products such as a camera and an image digitizer. The pose of the face is determined by warping a reference face image to minimize intensity difference between the warped reference face image and the current face image. This is more robust because all pixels in the face are used, in contrast to detecting only selected facial features. In addition, the proposed approach does not require a geometric model of the face." @default.
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- W2168644750 date "1998-02-01" @default.
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- W2168644750 title "Hands-free navigation in VR environments by tracking the head" @default.
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- W2168644750 doi "https://doi.org/10.1006/ijhc.1997.0170" @default.
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