Download Sheet-Fed Duplex Scanner User's Manual Avision Inc.
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User’s Manual Despeckle Occasionally small dots or specks appear in the background of a scanned image. Remove unwanted speckles provides a cleaner image for OCR (Optical Character Recognition) processing, and also helps to reduce compressed file size. Define the speckles (also known as image noise) you wish to remove by specifying its number (size) and radius (range). The measuring unit is pixel. The higher the number, the more speckles will be removed. Before Despeckle (noise number:0, noise radius:1) After Despeckle (noise number:22, noise radius:10) 4-54