Method for the three-dimensional surveillance of the object space

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United States of America Patent

PATENT NO 4928175
SERIAL NO

07259270

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Abstract

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In order to register the space, there are installed two video cameras at certain angles with respect to each other. In this object space there are arranged control points, the object coordinates (X.sub.k, Y.sub.k, Z.sub.k ; k=1, 2, 3 . . . ) whereof are measured and the imagewise image coordinates (x.sub.ki, y.sub.ki ; x.sub.kj, y.sub.kj) are determined from the corresponding video cameras, whereafter the control points can be removed from the object space. On the basis of the image coordinate values and the object space coordinate values of the control points, there are calculated the orientation parameters (a.sub.11 . . . a.sub.33) of projective resection, whereafter the unknown object space coordinates (X, Y, Z) of the observed object points can be solved in a real-time process on the basis of the image coordinates (x, y) registered by the video cameras and by making use of projective intersection.

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Patent Owner(s)

Patent OwnerAddress
HAGGREN HENRIKNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haggren, Henrik Vilniementie 12 D 30, SF-02940 Espoo, FI 3 41

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