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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 gray-
scale image, to improve the isolated result. This is what the Matte Finesse
controls are for.
Matte Finesse controls
8 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.
9 When you’re finished, click the Highlight control to turn the highlight off, and make
whatever adjustment you need. In this example, the orange of the helicopter will be
adjusted using the Hue control to make it blue instead.
Adjusting the orange color of the helicopter to be blue instead
Chapter – 119 Secondary Qualifiers 2701