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Activity Forums Adobe After Effects Stabilizing Footage

  • Stabilizing Footage

    Posted by Alan Tonn on September 14, 2008 at 10:40 pm

    Hello All

    I need a little help with stabilizing some footage.

    I have had some success with some footage that I have tracked and stabilized, but occasionally and currently I have had trouble tracking footage.

    I was wondering if someone can answer some questions.

    First, what are the 2 boxes around a point? Why 2 boxes? What does each square around the tracking point signify? What does it do when I make the boxes bigger? How much distance should I be putting between the inner box and the outer box? Why?

    Second, should I track position, rotation and scale all together, or seperately? If I track one at a time will I get better results?

    Third what should I do when there is little contrast and I can’t get a good track? Is there a way to use a filter to isolate an element in the video and then track that? For instance if I was to get a persons glasses to stand out by using some filters, and then track the filtered footage, would that give me results?

    If anyone has any suggestions, please post them. Thanks in advance!

    Chris Wright replied 17 years, 8 months ago 2 Members · 6 Replies
  • 6 Replies
  • Chris Wright

    September 14, 2008 at 11:22 pm

    There’s an outside box for max search track, inside for actual tracking pixels and a cross for the actual x,y pixels you can offset so you can choose a good track and just offset the position you want. A bigger outside box takes longer but tracks better. Distance between the 2 boxes varies, small movement=small inbetween distance, large movement in frame requires larger room to track effectively to next frame. You can view ahead and see what you need to do.

    You can track all together, there’s no loss in tracking. You can increase track

    effectiveness by using a temporary adustment layer-> sharpen and contrast more.

    For rotation tracking, you need more than one track, one middle, one to the side.
    If possible, both feature regions should be on the same object, or at least they should both be on objects that are the same distance from the camera. The first feature region (on the left by default) represents the base of the tracking. The farther apart the regions, the more accurate the calculations and the better the result.

    You can’t track things that go offscreen. If this sounds like a lot of work, you can use another program that is free and less hassle. It’s as good as monet for stabilizing footage. Did I mention its free?

    virtualdub here
    https://virtualdub.sourceforge.net/

    deshaker plugin for virtualdub here for removing shakes in rotations, zoom, pan, etc.
    https://www.guthspot.se/video/deshaker.htm

    here’s 23 excellent plugins for virtualdub that are free like deblocking, deflicker,

    old cinema etc.
    https://compression.ru/video/deflicker/index_en.html

  • Chris Wright

    September 14, 2008 at 11:22 pm

    There’s an outside box for max search track, inside for actual tracking pixels and a cross for the actual x,y pixels you can offset so you can choose a good track and just offset the position you want. A bigger outside box takes longer but tracks better. Distance between the 2 boxes varies, small movement=small inbetween distance, large movement in frame requires larger room to track effectively to next frame. You can view ahead and see what you need to do.

    You can track all together, there’s no loss in tracking. You can increase track

    effectiveness by using a temporary adustment layer-> sharpen and contrast more.

    For rotation tracking, you need more than one track, one middle, one to the side.
    If possible, both feature regions should be on the same object, or at least they should both be on objects that are the same distance from the camera. The first feature region (on the left by default) represents the base of the tracking. The farther apart the regions, the more accurate the calculations and the better the result.

    You can’t track things that go offscreen. If this sounds like a lot of work, you can use another program that is free and less hassle. It’s as good as monet for stabilizing footage. Did I mention its free?

    virtualdub here
    https://virtualdub.sourceforge.net/

    deshaker plugin for virtualdub here for removing shakes in rotations, zoom, pan, etc.
    https://www.guthspot.se/video/deshaker.htm

    here’s 23 excellent plugins for virtualdub that are free like deblocking, deflicker,

    old cinema etc.
    https://compression.ru/video/deflicker/index_en.html

  • Alan Tonn

    September 14, 2008 at 11:52 pm

    OK, virtual dub…

    I have been using it for years, where is the stabilization feature?

  • Alan Tonn

    September 15, 2008 at 4:55 am

    whoops… should have read farther…

    ignore last post

  • Alan Tonn

    September 15, 2008 at 7:08 am

    Thanks for the links to those plugins.

    The deshaker helped somewhat, but overall it still isnt getting the shake out of my footage.

    However, nothing I have tried gets anywhere near the fix that I need.

    I have posted a lower resolution version to show what the footage looks like. Please have a look at it on my blog here:

    My Blog

    As always, aaaha. 🙂
    (any and all help appreciated)

  • Chris Wright

    September 15, 2008 at 8:37 pm

    anything is deshakable if you increase the tolerances enough. They are those numbers that analyze the motion vectors. Defaults settings for you may not be strong enough.

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