Noise quenching method and apparatus for a colour display system
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United States of America Patent
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May 26, 1998
Grant Date -
N/A
app pub date -
Jan 4, 1994
filing date -
Jan 11, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for suppressing noise and an input image having a plurality of pixels, each of the pixels in the plurality of pixels having a range of possible values between at least two extremities. A first group of pixels is determined, each pixel of the first group having a value that is less than a predetermined amount from the value of at least one of the extremities. The values of pixels adjacent to each pixel in the first group are examined to determine if the adjacent pixels are also members of the first group and, when a predetermined number of the pixels adjacent to a pixel in the first group are also members of the first group, reassigning the pixel value of that pixel in the first group and each of its adjacent pixels to have the value of at least one of the extremities.
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