Method and arrangement for camera calibration
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Jun 6, 2002
app pub date -
Jul 24, 2001
filing date -
Jul 24, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An arrangement and method is set out which records a digitised image of a figure with the figure preferably comprising a black disk, which is surrounded by an arrangement of radial line segments. The method extracts edge points from the recorded image and performs a transform on the edge points to obtain a center of the figure. Then, a diameter of the disk is obtained to calculate the conversion factor, which represents the distance between the camera and the figure. The line segments may further comprise at least one bar code defining encoded information. The method provides a reliable calibration even under cluttered background conditions.
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Cited Art Landscape
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