Image noise correction
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United States of America Patent
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Apr 2, 2013
Grant Date -
Jun 4, 2009
app pub date -
Nov 26, 2008
filing date -
Nov 29, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An image noise correction method is provided. For at least one target pixel having a determined pixel value, for each pixel in a window of pixels surrounding the target pixel, a weighting factor for the pixel is estimated based on the value of the target pixel and at least one pixel value in the window. An average of pixel values for the pixels in the window is calculated, with each pixel value being weighted by the weighting factor corresponding to the pixel. A new value is assigned to the target pixel based on the average of pixel values that is calculated. Also provided is an image noise correction device.
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