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Menu: Processing > Filters
> Smooth > Sigma
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Script: sigma
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Displays the input image frame number. If you want to process another image, type or select the corresponding value.
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Displays the number of the frame in which the output image will be created. Depending on the Preferences. ImageWarp will set it either to the first available value or to the Input frame number. Type or select another value if you want the output image to be created in a different frame.
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Select this check box to watch the Preview of the output image.
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Lets you choose the size of the square neighborhood for filtering. This value must not exceed 2*Overscan+1. See Preferences for more details.
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Lets you adjust the filter's threshold. Only those pixels which differ from the central pixel by less than this value are taken for averaging. For better results Sigma should be close to the standard deviation of the noise distribution. You can determine it by acquiring a blank image under the same noise condition and using the Histogram tool on it.
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