Appeal No. 2006-3032 3
Application No. 09/969,040
The disclosed invention pertains to an automatic flicker frequency
detection device and method.
Representative claim 19 is reproduced as follows:
19. A method of processing image information comprising the steps of:
• providing successive first and second frames of image information,
each said frame having a row direction and a column direction;
• calculating first averages of signal levels for each row of said first
frame;
• calculating second averages of signal levels for each row of said
second frame;
• forming a difference signal representative of differences between said
first averages and said second averages, said difference signal being a
data sequence that corresponds with a sequence of rows of data within
said frames; and
• detecting artifacts indicative of periodic lighting fluctuations during
said forming of said first frame and during said forming of said second
frame.
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