Method for automatically correcting frame faults in video assist frames of a video assist system
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United States of America Patent
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Jul 10, 2012
Grant Date -
Jan 1, 2009
app pub date -
Jan 3, 2007
filing date -
Jan 4, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for automatically correcting frame faults in video assist frames of a video assist system in a video beam path branched off from a capture beam path of a motion-picture camera, a ground glass screen being arranged in said video beam path, is provided. The video assist system is calibrated by capturing at least one video assist frame of a single-colored, unstructured and uniformly illuminated, flat capture object for a predefined diaphragm aperture of the camera lens and storing it as a video assist calibration frame in a frame store, wherein the stored and inverted video assist calibration frame is superimposed on the video assist frames captured after the calibration.
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