Image analysis – Image transformation or preprocessing – Correlation
Reexamination Certificate
2006-11-07
2006-11-07
Alavi, Amir (Department: 2624)
Image analysis
Image transformation or preprocessing
Correlation
C382S295000
Reexamination Certificate
active
07133570
ABSTRACT:
For an optical sensor, a simple approach to obtain a mapping function that transforms sensor coordinates of a generic imaging system to coordinates of a virtual, projective camera. The sensor plane of this virtual camera is established using a planar calibration object and does not require known features on the object. Two in-plane motions are sufficient to establish the distortion-free virtual camera. The sensor plane of the virtual projective camera is used to calibrate all subsequent images obtained by the optical sensor. For a generic sensor, the present method is a simple approach to obtain a mapping function that transforms sensor measurements into a virtual sensor system. The virtual sensor system is established using a uniform bias. The virtual sensor system is used to calibrate all subsequent measurements obtained by the sensor.
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Schreier Hubert W.
Sutton Michael A.
Alavi Amir
Correlated Solutions, Inc.
Mann Michael A.
Nexsen Pruet , LLC
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