Software User Guide Rev. 1.0 Kolibri cranial/ENT Ver. 2.7 53
Software Overview
About Video Image
Settings
Setting Description
Brightness
Overall intensity of light in image.
Contrast
Distribution range of light intensity. A higher contrast represents a
narrower range. This sharpens the boundaries between areas of
greatly different brightness, but reduces subtle grades of intensity.
Saturation
Determines amount of color in video image.
• High: Produces vivid colors
• Low: Makes the colors look faded
• Zero saturation: Images are displayed in black & white
Hue
Determines whether a color is basically red, orange, yellow, green,
etc. By changing the hue, you can adjust the color tone of the video
image.
Gamma
If video images appear too bright or too dark, they may have the
wrong gamma correction, i.e., they are not corrected for the nonlin-
ear relationship between the pixel value and displayed intensity
that is typical for a color monitor. Changing the gamma level re-
sults in a perceived image difference similar to changing the
brightness. Increasing gamma increases overall brightness with a
slightly greater effect on mid-tones.
NOTE: This setting is available for microscope video views (see
page 220).
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