Apparatus and method of motion adaptive image processing
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United States of America Patent
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Jul 3, 2012
Grant Date -
Jun 12, 2008
app pub date -
Dec 3, 2007
filing date -
Dec 6, 2006
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Abstract
A method of image processing for conversion of an image in a sequence of images comprises the steps of associating pixels of an image with respective motion values indicative of a degree of inter-image motion for each pixel; adjusting the motion value of each pixel based upon the motion value of a secondary pixel found within a first region of a first predetermined size substantially centered upon each respective pixel, said secondary pixel being that whose associated motion value is indicative of the greatest motion of any pixel in the first region; adjusting the motion value of each pixel based upon the motion value of a secondary pixel that lies within a second region of a second predetermined size substantially centered upon each respective pixel, said secondary pixel being that whose associated motion value is indicative of the least motion of any pixel in the second region; categorizing each pixel as a static pixel or a motion pixel according to its respective associated motion value, and then selecting respectively either a first conversion process or a second conversion process for a pixel dependant upon whether that pixel is categorized as a static pixel or a motion pixel.
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