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4 To subtract from the inner range of the key you’re creating, click the minus Color Range control,
and click or drag across the portion of the keyed image that you’d like to exclude.
5 To add softness to the outer range of the key you’re creating, click the plus Softness control and
then click or drag across the portion of the image you’d like to include as a soft edge.
Once you’ve finished using the range and softness sampling controls to refine the key you’re
using to isolate the subject, nearly every key you pull will benefit from some further “post-key”
refinement. What this means is that, once you’ve created the best key you can procedurally
through sampling the image, you can now adjust the resulting key itself, which is just a grayscale
image, to improve the isolated result. This is what the Matte Finesse controls are for.
Matte Finesse controls
6 The three most common methods of key refinement using the Matte Finesse controls are to
increase Clean Black to fill in “holes” in the parts of the image you’re omitting (the background),
increase Clean White to close holes in the part of the image you’re isolating (the foreground), and
then use Blur Radius and In/Out Ratio controls to blur the edge of the key and push it in and out.
Using these controls, you can vastly improve nearly any key without the need to endlessly readjust
the Qualifier controls.
More information about using the Matte Finesse controls appears later in this chapter.
7 When you’re finished, click the Highlight control to turn the highlight off, and make whatever
adjustment you need. In this example, the saturation has been raised and the color balance
changed to make the adjustment obvious.
Altered color balance of the ocean and sky
Chapter 133Secondary Qualifiers 2656
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