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Motion Tracking with Masks
I have two layers of identical HD video. They have both been color corrected. The lower layer has a black and white tint applied to it. The top layer has the mode set to color. I am trying to reveal only a specific part of the actor’s clothing in color (while leaving the rest in black and white…Sin City effect). My question is…as opposed to having a mask keyframed frame by frame…how can I motion track and apply the data to the mask?
P.S. – I have already watched Aharon Rabinowitz’ cartoon tutorial where he discusses motion tracking. The trouble is I just don’t know how to apply the data to masks.
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3 Replies
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Here’s a Script:
https://del.icio.us/escruz/Rotoscope
Download, then copy/move the jsx file RotAE.jsx to AE’s Script Folder, then open AE.
Select the layer with the Mask, File>Run Script>RotAE.jsx. Then select the Mask again, and in the control panel that popped up, hit “Apply Tracker”, and you’ll have as many track points as you have mask vertices.
Run you Motion Track. The mask will be as good as the motion track so you may have to adjust points by frame like you mentioned in Aharon’s tut.
Now twirl down the layer, select the Tracker 1 (above the mask points) and also select the Mask, then up in the Script’s Control panel, click ” Apply Mask”. You should be good to go.
You can still move individual mask points if the track wasn’t great, or adjust the bezier handles as needed, as the script just set mask Shape keyframes at each frame.
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[JerDEEZ] “My question is…as opposed to having a mask keyframed frame by frame…how can I motion track and apply the data to the mask?”
Follow yikesmikes’ suggestion. AE does not allow tracking of mask vertices natively.
Mylenium
[Pour Myl
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Which cartoon tutorial are you referring to?
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