【實用新聞app】After Effects CS5: Motion & Stabilization|最夯免費app

Learn the ins-and-outs of After Effects’ Motion Tracking and Stabilization techniques with special effects expert, Richard Lainhart.

Have you ever wanted to transform your “Shaky-Cam” hand-held footage into a smooth as silk Steady-Cam shot? How about seamlessly replacing the words on a road sign as it was shot from a speeding car? You can with this tutorial on Adobe After Effects: Motion Tracking and Stabilization.

Using handheld footage he shot specifically for this tutorial Richard completely smooths out a jiggly, nervous surveillance video shot of a fugitive hummingbird trespassing on a fence. Then in the very same scene, employing motion tracking techniques, he completely pixelates out the the “perp” hummingbird’s face as he/she flees the scene of the crime. This is awesome stuff! And there’s more...

Next Richard takes motion tracking to a new extreme by seamlessly replacing the text on a “moving” sign using advanced mulit-point tracking and corner pinning. The sign’s changing perspective makes this an very interesting task! Many different techniques come together to make this kind of advanced video voodoo possible and Richard is there, explaining everything, every step of the way.

Table of Contents:

1. Introducing Motion Stabilization and Tracking

2. Stabilization Basics

3. Adding A Tracker

4. Setting The Search Region

5. Stabilizing The Layer

6. Scaling And Positioning The Stabilized Layer

7. Setting Up Rotation Stabilization

8. Adjusting the Rotation Track Points

9. Applying the Tracked Rotation Data

10. Setting the Motion Track Point

11. Creating an Adjustment Layer

12. Masking the Adjustment Layer and Applying the Mosai...

13. Replacing the Mosaic with a Blur

14. About 4-Point Tracking

15. Specialized Tracking Cursors Explained

16. Pre-stabilizing the Effect Shot

17. Creating the Replacement Text

18. How Corner Pinning Works and Tracking the Shot

19. Applying the Track

20. Destabilizing the Final Shot

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