Use Noise Reduction to filter out unwanted pixels in the image that cause the image to be grainy or patchy. Removing the noise reduces image sharpness. Noise Reduction is applied after Contrast Enhancement and before Text Enhancement.
Values for Noise Reduction range from 0 (no noise reduction) to 9.
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Data Collection > Specified Scanner > Imager Settings > Signature Image Capture > Scenario # > Noise Reduction