Moving object measurement device employing a three-dimensional analysis to obtain characteristics of the moving object
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United States of America Patent
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Jun 9, 1998
Grant Date -
N/A
app pub date -
Jun 10, 1994
filing date -
Jun 10, 1993
priority date (Note) -
Expired
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Abstract
The present invention defines the area where the targeted moving object can move in the three-dimensional real spatial coordinate system, then maps it to the two-dimensional area corresponding to the capturing method and the capturing range of the capturing device, and by limiting the image processing for obtaining the coordinate to that area, obtains the coordinate of the moving object in the three-dimensional real space rapidly by using the signal which is capturing the moving object. Furthermore, the present invention is able to control the capturing direction and the capturing range which correspond to the movement of the capturing target, to overlap the image signal with the data which is always changing by the capturing condition and the movement of the measurement data, to improve the detection precision, and to track automatically and smoothly.
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