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Keylight and Tracking Points
Hey, all. I just shot a handheld piece on green screen with neon pink Post-Its as tracking points to compensate for the camera movement. In retrospect, I suppose I should have used a different shade of green for the markers as I am now having difficulty keying out the pink without screwing up peoples’ skin tone.
Is there a good way to do this? Or am I going to have to manually mask out these points (yikes).
Here’s a rough example of the green screen plus pink tracking points: https://img411.imageshack.us/img411/861/greenscreenexample.jpg
Thanks for your help, guys!
– Dan
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3 Replies
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Without a still frame or other actual example of your footage I can’t really tell for sure, but from what you’ve said I would assume that you are going to have to do quite a bit of rotoscoping.
– The Great Szalam
(The ‘Great’ stands for ‘Not So Great, in fact, Extremely Humble’)No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.
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Hey Dan,
Well, there is bad news and good news:
The bad news is, yes, you have to mask all these out.
The good news is that, hey, you were tracking anyway! So once you do your tracking, send the tracker data to a null, and then you can apply it to the marker/masks instead of chasing them around manually.
Next time use blue markers on green screen, or vice-versa.
Good luck!
Kim
A computer once beat me at chess, but it was no match for me at kick boxing.
–Emo Philips
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Understandable, but there was a lot of blue in the costume pieces. Doh. Well, live and learn…
– Dan
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