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Applying a stabilization

From: After Effects Apprentice 12: Tracking and Keying

Video: Applying a stabilization

At this point, I've analyzed my clip, and After Effects was saved underneath my named tracker where it found the Feature Center on each frame of my shot, this Confidence that it indeed found at the right point, and I am going to go ahead and drag my time indicator through here and you see I kept a pretty high Confidence throughout the shot, and finally, where the Attach Point is located. Since I left the Attach Point at its default position, the very center, my feature region, it has the same coordinates as my Feature Center. Now that the analysis is done, I can actually apply the results of my track.

Applying a stabilization

At this point, I've analyzed my clip, and After Effects was saved underneath my named tracker where it found the Feature Center on each frame of my shot, this Confidence that it indeed found at the right point, and I am going to go ahead and drag my time indicator through here and you see I kept a pretty high Confidence throughout the shot, and finally, where the Attach Point is located. Since I left the Attach Point at its default position, the very center, my feature region, it has the same coordinates as my Feature Center. Now that the analysis is done, I can actually apply the results of my track.

In this case, I want to use it to stabilize the shot. So I will make sure my Track Type is set to Stabilize. Since I am stabilizing, my Motion Target, by default, is myself. Since, I am trying to stabilize myself, rather than having another layer, follow me. Once I verify these settings, I click Apply. After Effects will open a dialog with Apply Options so you can decide whether or not to stabilize in both dimensions or only one of the dimensions. The vast majority of the time you are probably going to be stabilizing both dimensions.

However, there will be occasions, when for example, you may want to keep a camera's pan in the X dimension, you only want to stabilize, where you move, it bouncing up and down in the Y dimension. That's why this dialog appears. But most of the time, just go ahead and click OK, press Enter on your keyboard, and now the shot has been stabilized. Notice that when I did so, After Effects brought the Composition panel back forward again so I can see this shot in the context of the composition rather than just in isolation.

And I press U once to twirl the keyframes, press U a second time and now I'll see, not only do I have my Motion Tracker information, I have an animated Anchor Point. That is what After Effects is using to stabilize a shot. It's offsetting where the center of the shot is. I will press 0 on the numeric keypad to RAM preview, hold my cursor over a point that was previously moving, such as this little speck in the clouds and you will see that that shot is now stable. Don't be distracted right now by what's happening with the very edges of the shots and don't be distracted with this little burn that I had to put in this footage.

Our goal of stabilizing the clouds and the horizon has actually been achieved. But we do have some issues with parts of the background being exposed. We will clean those up in the next movie.

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Image for After Effects Apprentice 12: Tracking and Keying
After Effects Apprentice 12: Tracking and Keying

39 video lessons · 14786 viewers

Chris Meyer and Trish Meyer
Author

 
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  1. 9m 2s
    1. Welcome
      2m 38s
    2. The Tracker panel
      4m 24s
    3. Using the exercise files
      2m 0s
  2. 13m 25s
    1. Warp Stabilizer basics
      5m 59s
    2. Warp Stabilizer advanced parameters
      7m 26s
  3. 30m 6s
    1. Setting up a stabilization
      2m 57s
    2. Track points explained
      5m 48s
    3. Performing a track
      5m 11s
    4. Applying a stabilization
      2m 42s
    5. Cleaning up the results of a stabilization
      3m 0s
    6. Performing a motion track
      5m 57s
    7. Applying the results
      4m 31s
  4. 13m 48s
    1. The Radio Waves effect
      4m 16s
    2. Tracking the mountain
      5m 31s
    3. Compositing the effect
      4m 1s
  5. 24m 28s
    1. Perspective tracking overview
      2m 40s
    2. Tracking to a corner pin
      7m 1s
    3. Improving the composite
      5m 39s
    4. Tracking with mocha-AE
      9m 8s
  6. 31m 49s
    1. Tracking in 3D (new in CS6)
      4m 31s
    2. Creating 3D objects (new in CS6)
      5m 12s
    3. Hanging a poster (new in CS6)
      8m 8s
    4. Adding text (new in CS6)
      5m 33s
    5. Using shadow catchers (new in CS6)
      8m 25s
  7. 16m 46s
    1. Tracking dots
      5m 43s
    2. Dealing with obscuration
      5m 12s
    3. Cleaning up the stabilization
      5m 51s
  8. 12m 40s
    1. Basic keying
      7m 20s
    2. Refining the key
      5m 20s
  9. 13m 32s
    1. Quizzler challenges
      3m 35s
    2. Quizzler #1 solution: Stabilization plus masking
      2m 58s
    3. Quizzler #2 solution: Stabilization plus tracking
      2m 50s
    4. Quizzler #3 solution: Copying a camera's motion
      4m 9s
  10. 12m 28s
    1. Tracking for multiple effect points
      4m 44s
    2. Converting to ray-traced 3D (new in CS6)
      7m 44s
  11. 23m 59s
    1. Legacy tracker advice
      8m 14s
    2. Tracking interlaced sources
      5m 59s
    3. Using garbage masks for keying
      4m 51s
    4. Using the Rolling Shutter Repair feature (new in CS6)
      4m 55s

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