Vision Operator’s Manual (v12.0 MD) Keying • Ops 7–21
› Increasing the clip value removes higher-saturated colors from spill suppress
correction.
› Decreasing the clip value includes higher-saturated colors in spill suppress
correction. If your foreground image contains bright-colored areas that are
suffering from background spill, decrease the clip value to have it corrected.
•Use the Hue knob on the UltraChrome Menu 2-2 to select the central, or base,
color for spill suppress correction. If the color spill does not appear to be the same
color as the background, use this control to adjust which hue is considered to be
“spilled” into the foreground:
› Increasing the hue value moves counter-clockwise around the color wheel
while selecting a base color.
› Decreasing the hue value moves clockwise around the color wheel while
selecting a base color.
•Use the Reject knob on the UltraChrome Menu 2-2 to include or reject adjacent
hues to the base.
› Increasing the reject value increases the amount of adjacent hues that are
included in spill correction.
› Decreasing the reject value decreases the amount of adjacent hues that are
included in spill correction.
8. Adjust the edges of the foreground as follows:
• Press Edge Softness on the UltraChrome Menu 2-2.
Edge Softness — UltraChrome Menu 2-2
•Use the Softness knob on the UltraChrome Menu 2-2 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.
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