Graphical user interface and position or attitude detector
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 27, 2004
Grant Date -
N/A
app pub date -
Sep 6, 2000
filing date -
Sep 7, 1999
priority date (Note) -
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Abstract
A graphical user interface is proposed for generating an interface signal with a target on a display aimed. An image sensor has an image plane on which an image of the display including characteristic points is formed, a point of the image formed at a predetermined position of the image plane corresponding to the target. A processor calculates the position of the target on the display relative to the characteristic points on the basis of the output of the image sensor including the information of the positions of the characteristic points. And the interface signal is generated with the position of the target calculated. More specifically, the processor includes an image processor for identifying the positions of the characteristic points on the image plane, a first processor for calculating a first data on the basis of the positions of the characteristic points on the image plane, and a second processor for calculating a second data on the basis of the first data and the positions of the characteristic points on the image plane. This is not only useful in the graphical user interface, but also in detecting the position of a target point or the attitude of a three-dimensional object in general.
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