Tools for auto rotoscoping8/30/2023 ![]() ![]() If your motion is really crazy this might not be until you've done every frame, but the adjustments you'll need to make will be smaller and smaller each time. ![]() Rinse, repeat: between each of your keyframes, pick the point where the mask is the worst and refine.Īs you work you'll find that the mask needs less and less tweaking and eventually starts following the hand well. Now go back between the two keyframes and find the point at which the maksk is the furthest from matching. It's good to give yourself enough points to work with when you first draw the mask. Adjust the mask points, trying to keep the points close to the part of the hand they were near when you first drew them. if the hand is moving up, continue until it stops or starts moving down. To mask out the hands with the pen tool, draw the mask for the first frame and then move as far along the timeline as you can until the point where the motion dramatically changes, e.g. To quickly do rotoscoping you let the computer do as much of the work as it can, by interpolating wherever possible. The thing about masks is that you don't have to do them on every frame. ![]()
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