Kodak 2500D User Guide - Page 23

Image Emphasis, Noise Reduction, Dither

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Image Emphasis Image Emphasis allows you to adjust the softness or sharpness of the scanned image. Choose one of the following image emphasis levels: High, Medium, Low, None, and Smooth. The default is Medium. Noise Reduction Original Smooth High Unwanted black speckles or splotches in a scanned document are referred to as noise. Noise Reduction improves image clarity by removing black spots, dust, or voids in white areas. Choose a noise reduction level in the Noise Reduction drop-down list box. The default is "None." The more noise in a scanned image, the larger the compressed file size. Also, if images are being produced for an OCR system (a system that can read text from an image produced by a scanner), too much noise may lessen the reliability and read rate of the OCR system. While choosing the larger matrix decreases large noise, commas (,) or decimal points (.) may disappear as well. Noise Reduction is valid only in Binary mode. Using Noise Reduction is not recommended when using a Dither setting. A-63055 December 1999 None Noise Reduction 4 x 4 17

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A-63055
December 1999
17
Image Emphasis
Image Emphasis
allows you to adjust the softness or sharpness of
the scanned image. Choose one of the following image emphasis
levels: High, Medium, Low, None, and Smooth. The default is Medium.
Original
Smooth
High
Noise Reduction
Unwanted black speckles or splotches in a scanned document are
referred to as noise.
Noise Reduction
improves image clarity by
removing black spots, dust, or voids in white areas. Choose a noise
reduction level in the
Noise Reduction
drop-down list box. The default
is “None.”
The more noise in a scanned image, the larger the compressed file
size. Also, if images are being produced for an OCR system (a system
that can read text from an image produced by a scanner), too much
noise may lessen the reliability and read rate of the OCR system.
While choosing the larger matrix decreases large noise, commas (,) or
decimal points (.) may disappear as well.
Noise Reduction
is valid only
in Binary mode. Using
Noise Reduction
is not recommended when
using a
Dither
setting.
None
Noise Reduction 4 x 4