Simply applying the effect usually looks bad. You will see jagged edges or grey ghosts. To fix this, use these three hidden sliders:
Example: Remove a black sky to reveal a sunset from another clip. luma key premiere pro free download
By adjusting these two simple sliders, you have total control over how the Luma Key interacts with your footage. Simply applying the effect usually looks bad
A Luma Key isolates and removes parts of an image based on (brightness) values. luma key premiere pro free download