Horizon Imager User’s Manual 9-3
Adjusting Image Appearance
3. If using
ChromaVista
media, print a gamma/saturation
bracketing sheet to determine the saturation setting that
provides the best color intensity. For most applications, the
saturation setting will be from 0 to 20.
4. Repeat the process to fine-tune the settings.
A gamma/contrast bracketing sheet includes 20 copies of the same
image, with each copy having different gamma and contrast
settings. When printing to
ChromaVista
media, a second
gamma/saturation bracketing sheet that varies gamma and
saturation settings for each image is also printed.
You create a gamma/contrast bracketing sheet by printing a
representative image using nominal gamma and contrast settings
(for example, the factory defaults). In the printed sheet, the image
with the nominal settings is indicated by a gray background. The
other versions of the image are created by varying gamma and/or
contrast from the nominal settings. The gamma and contrast
settings used are overprinted at the top left corner of each image.
Using this print, you can select the image with the best appearance
for your application, which in turn indicates the gamma and
contrast settings to use to achieve that appearance.
For
ChromaVista
color prints, you can then use the
gamma/saturation bracketing sheet to determine the gamma and
saturation settings that result in the best color appearance for your
application.
NOTE:
For optimal image quality, use the typical range of settings described in Appendix D.
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3
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