Honeywell Granit XP 199 i Series User Manual page 234

The smaller number of pixels shipped, the smaller the image, however, after a cer-
tain point the image becomes unusable.
Example:
U - Document Image Filter
Allows you to input parameters to sharpen the edges and smooth the area between
the edges of text in an image. This filter should be used with gamma correction
(see
command:
This filter typically provides better JPEG compression than the standard E - Edge
Sharpen command (see
black and white images (1 bit per pixel). The optimal setting is 26U.
Example:
216
1S ship every pixel (default)
2S ship every 2nd pixel, both horizontally and vertically
3S ship every 3rd pixel, both horizontally and vertically
Pixel Ship set to 1S:
page 214), with the scanner in a stand, and the image captured using the
IMGSNP1P0L168W90%32D
0U Document image filter off (default)
26U Apply document image filter for typical document image
nU Apply document image filter using grayscale threshold n. Use lower
numbers when the image contrast is lower. 1U will have a similar effect to
setting E - Edge Sharpen
Document Image Filter set to 0U:
Pixel Ship
set to 2S:
page 217). This filter also works well when shipping pure
(page 211) to 22e. Range: 0-255.
Document Image Filter set to 26U:
Pixel Ship
Pixel Ship
set to 3S:
set to 4S:
Granit XP User Guide