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  9. Introduction of "Noise Removal" of FUJITSU Image Scanner fi-Series.
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Noise Removal

Noise Removal reduces the spot noises after thresholding. The default is OFF. If the scanned image is noisy, turn on the Noise Removal and set the granularity of the noise to be removed. 2x2 means isolate dots equal or less than 2x2 are removed and 5x5 means isolate dots equal or less than 5x5 are removed. Therefore, when 5x5 is specified, most 4x4, 3x3 and 2x2 isolated dots are removed. Usually, it is enough to set the one largest granularity.

Example

Noise Removal [OFF] Noise Removal [ON, 2x2, 3x3, 4x4, 5x5]






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