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Activity Forums Adobe After Effects Removing Stationary People From Moving Drone Shot?

  • Removing Stationary People From Moving Drone Shot?

    Posted by Alex Abrahams on October 6, 2018 at 12:24 pm

    Hey folks,

    I’m trying to figure out the best way to remove the people from this shot, but I’m finding it a little tricky, so wondered if anyone might have some suggestions on how to solve it.

    The stuff I’ve tried so far:

    I’ve used Mocha Pro’s removal tool, using a ground plane connected to a wall plane (even though there isn’t one) and the image takes forever to remove and comes out with just chunks of the people missing. 12771_droneshot.mp4.zip

    I’ve tried using the clone stamp tool pickwhipped to a tracker, but the areas I selected to mask over the people move about too much, and I have no idea how to move the masked areas around without it looking like total garbage.

    The best results I had so far were from doing one person at a time, and just animating a basic mask with a copy of the footage underneath that was positioned in an area closest looking to the place where they are standing. This again has the movement problem, and I thought maybe a couple of masks layered might do the trick, but again it looked un-natural.

    The inherent problems as I see them are, that the grass is moving around loads, so makes it difficult to select a matching region to replace with, and the fact that the people mainly don’t move throughout the duration of the shot, so I have no way of making a clean plate to work with.

    Most appreciative of any suggestions or questions you may have
    Thanks

    Eric Santiago replied 7 years, 9 months ago 4 Members · 3 Replies
  • 3 Replies
  • Tero Ahlfors

    October 6, 2018 at 4:51 pm

    Duplicate your footage and create a white layer on top of everything. Track one person and apply that track data to the white solid. Add a really soft mask on someone on the white solid. Set the duplicate footage to use the white solid as a track matte then offset the duplicate footage layer’s position just enough that you’re hiding the tracked person.

  • Mark Whitney

    October 7, 2018 at 10:02 am

    Alex,
    You might consider posting this over at the Boris FX forum for Mocha as well.
    https://forum.borisfx.com/c/mochapro

    I suspect the wind blown grass is the real challenge.

    Within this past year, someone had a really complex drone removal shot that Mary P. ended up doing a really detailed tutorial. As has been mention, it’ll require multiple passes.

    https://borisfx.com/videos/mocha-pro–solving-complex-object-removes/

  • Eric Santiago

    October 7, 2018 at 9:25 pm

    [Mark Whitney] “Within this past year, someone had a really complex drone removal shot that Mary P. ended up doing a really detailed tutorial. As has been mention, it’ll require multiple passes.

    https://borisfx.com/videos/mocha-pro–solving-complex-object-removes/

    Oh that one’s a classic!

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