Vision Operator’s Manual (v12.0 MD) Keying • Ops 7–15
› Increasing the Range value causes more of the foreground colors to be
corrected for background color spill.
› Decreasing the Range value causes fewer of the foreground colors to be
corrected for background color spill.
5. Adjust the edges of the foreground as follows:
• Press Edge Softness on the UltraChrome Menu 1-2.
Operating Tip — The default Width and Sensitivity settings can be adjusted using the Edge
Width Default setting on the Personality Menu. Refer to the section “Personality List” on
page Eng 11-2 for more information.
Edge Softness — UltraChrome Menu 1-2
•Use the Softness knob on the UltraChrome Menu 1-2 to add or remove edge
softening of the foreground image and alpha channel as follows:
› Increasing the Softness value increases the amount of softness applied to the
foreground edges and alpha channel.
› Decreasing the Softness value decreases the amount of softness applied to the
foreground edges and alpha channel.
Note — The Width adjustment is only available for MLEs supported by a 4800AR-041 Video
Processor Board.
•Use the Width knob on the UltraChrome Menu 1-2 to adjust the outside edge of
the foreground image and alpha channel as follows:
› Increasing the Width value increases the amount that the key encroaches onto
the foreground image.
› Decreasing the Width value decreases the amount that the key encroaches onto
the foreground image.
Note — If the Width adjustment is set greater than Off, the Sensitivity is automatically set to
Low. The Sensitivity is set back to what it was before when Width is set back to Off.
•Use the Sensitivity knob on the UltraChrome Menu 1-2 to set the edge
sensitivity as follows:
› Low — Select this option to reduce the level of detail in the edges of the
chroma key. This option will reduce the overall noise in the key image that can
be the result of certain lighting conditions or high detail camera settings.This
is the default setting.
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