Single camera system for gesture-based input and target indication
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United States of America Patent
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-
Jul 29, 2003
Grant Date -
Jul 25, 2002
app pub date -
Jan 22, 2001
filing date -
Jan 22, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
The position of a target lying on a plane is indicated by inputting a pointing direction which is computationally projected onto a plane. If the target is known to lie on a contour, the position is specified unambiguously. Alternatively, the position of a target can be specified by inputting its axial coordinates in successive steps. In another alternative approach, the image containing the target is translated and/or rotated and the target indicated again. The two direction projections are then used to determine the position of the target in 2-space. The direction indications may be input by a camera or other method, such as one or more radio transmitters.
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