This setting is used to determine the size of the speckles (in pixels) that are automatically removed prior to bar code/patch code scanning. All speckles less than or equal to the number of pixels set for the DespecklePixel value are automatically deleted.
For example, if DespecklePixels is set to 10 and two speckles are determined, one consisting of 5 pixels and another consisting of 20 pixels, the 5-pixel speckle is automatically deleted while the 20-pixel speckle is not.
By default, the DespecklePixel setting is set to 0. This indicates that no automatic despeckling is used.