Join Lee Lanier for an in-depth discussion in this video Refining tracked artwork, part of VFX Techniques: Building Replacement with After Effects.
We've integrated the front of the MattePainting building into our scene and it…looks pretty good right now.…There are a few places we can make some adjustments however, if we zoom in and…take a look at it, there are some issues with the perspective.…Now what's happening is in the original footage there's a lot of lens distortion.…So what happens is on certain frames you can see that the foreground building is…curving, it's not perfectly straight.…First frame looks okay, if you compare the Foreground building to my new…building, all the lines that run vertically are pretty parallel.…
I'll go to the last frame though.…We'll see it looks like the new building is dipping inwards or you can see that…the original building is bowing towards the sky.…So the original building, if you trace it upwards, is no longer a perfectly…straight line, it looks like it's tipping towards the sky.…In any case, it looks like these lines arranged vertically are no longer parallel.…So let's try to deal with that.…I'm going to go back to the FoundryCameraTracker composition and one thing we could do is…
Author
Lee Lanier
Released
4/19/2013Learn how to track the footage with the Adobe After Effects 3D Camera Tracker, replace areas such as the sky, rotoscope moving elements such as buildings and cars, and integrate a digital matte painting so it gains appropriate shifts in perspective and scale. You'll also apply color-grading techniques and learn how to fabricate reflections. The course also covers an alternative motion-tracking workflow with the Foundry CameraTracker plugin.
- Using the After Effects 3D Camera Tracker
- Applying tracking data to 3D layers
- Constructing and refining motion graphics
- Keying out the sky
- Rotoscoping to remove and save features
- Using the Foundry CameraTracker plugin
- Creating reflections
- Color grading
Skill Level Intermediate
Duration
Views
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Introduction
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Welcome38s
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1. Getting Started
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2. Using the Track Camera Feature
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Tracking a new sky4m 57s
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3. Layering a Scene
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Removing an old sky7m 29s
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Adding a core rotoscope4m 17s
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Refining keyed edges7m 42s
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Transform tracking a matte10m 43s
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4. Using the CameraTracker Plugin
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Refining tracked artwork8m 30s
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Faking reflections9m 7s
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5. Color Grading and Fine-Tuning
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Color grading for sunset6m 37s
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Color grading matte edges4m 53s
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Conclusion
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Next steps34s
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Video: Refining tracked artwork