Track mask

[Mike Clasby]

Andrew Kramer’s tut “Blemish Removal” uses a Luma Matte to make effects work on certain areas of the image. Is that what you want?

https://forums.creativecow.net/cgi-bin/new_page_wrapper.cgi?forumid=2&page=https://www.creativecow.net/articles/kramer_andrew/blemish_removal/index.html

Or click on Andrew’s head and scroll down.