Ben G unguren
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One thing you could try are particle effects. You’d essentially create a 3D layer that follows a skate, an arm, a hand, etc — then you cause that layer to emit particles. You’d have to do a fair amount of rotoscoping whenever someone passes in front of a particle, etc. This can get pretty complicated but it’s also a lot of fun. Here’s a tutorial I just came across that shows the basic technique (there are others out there, but I can’t find them at the moment):
https://ae.tutsplus.com/tutorials/vfx/create-an-illuminating-light-painting-effect/
Ben Unguren
Motion Graphics & Editing
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Chris: thanks for bringing us back to the matter at hand, rather than just talking about tracker options. Indeed you can often get away with a planar track from Mocha, or even with a position/rotation/scale point track from After Effects.
One thing that a tracker can give you that Mocha / AE can’t is camera distortion information. I’m most familiar with Syntheyes, which will calculate lens distortion, and then remove that distortion from your footage (via a syntheyes-provided pixelbender plugin in AE). I then composite my graphical elements onto the undistorted footage, then use the pixelbender plugin to redistort the full composite.
Pippo is having trouble getting his stuff to stick perfectly. There are a couple specific possibilities:
1. some of the trackers aren’t accurate enough. Solution: examine existing tracks & make adjustments as needed, add trackers for a tighter solution
2. There is camera distortion. Solution: add more trackers and solve for camera distortion.
Ben Unguren
Motion Graphics & Editing
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It’s hard to offer suggestions without actually seeing the video. My initial impulse (without seeing anything) would be to do some 3D motion tracking and add some graphics stuff that “sticks” to the moving camera or objects moving in the scene.
Ben Unguren
Motion Graphics & Editing
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Robert: If you do make the switch, let us (or at least me!) know how the two compare. Syntheyes is great for basic camera tracking as well as object tracking. But it can also do multi-camera tracking, motion capture, etc. I’d love to hear from an experienced user on both how they stack up against each other.
Ben Unguren
Motion Graphics & Editing
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I used to use Maya for camera tracking; now I use Syntheyes and love it. I’m so used to using Syntheyes that I don’t feel like switching. But from what I’ve heard the Foundry’s Camera Tracker does a great job, and you get a 15 day trial before having to fork out $170 for it. Or you can “rent” it for a few days for significantly less.
The nice think about Camera Tracker would be that you stay in AE the entire time, which is a big bonus. I haven’t done a side-by-side comparison of the popular tracking programs (Syntheyes, PFTrack, Boujou, CameraTracker… what else?). That would be a very useful thing to have, though….
Ben Unguren
Motion Graphics & Editing
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This is very advanced stuff. I’m seeing some ink drops, which are often practical effects (you drop dark ink into water and film it against a white background, e.g.). In addition, it looks like they are using 3D characters in conjunction with some particle effects. If it were me, I’d have a character animating, then use certain parts of the character’s surface to emit “smoke” particles, and configure those particles to have an ink-in-water effect. But, again, this is advanced stuff.
Ben Unguren
Motion Graphics & Editing
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Yea, there are two parts to the process. One is the MOVEMENT (the corner pins), the other is the ROTO (masking). One of the awesome things about Mocha, as you know, is that it will use the data you gather for the movement and help make the roto-ing process easier! Gotta love Mocha!
Ben Unguren
Motion Graphics & Editing
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10 years on FCP. After about 3 months on PPro, I was nearly as fast as I had been on FCP. I needed to add a LOT of hotkeys, as PPro doesn’t have many by default. But they’re in there — you just have to set them up yourself. Now I edit just as fast in both apps.
Pros and cons to each app. But I’m pleased with how PPro has performed for me thus far.
Ben Unguren
Motion Graphics & Editing
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This can be accomplished with Mocha AE (it ships with the more recent versions of AE, so you probably have it). There are a TON of tutorials online for Mocha — check out their website for some of the best ones.
Basically, you will track that icon in the corner with Mocha, then export that tracking information as corner pin information for AE to use. You will create a “patch” that will cover up the icon (in Photoshop, for instance). This patch is animated to follow the icon. From there you need to do some rotoscoping so the edges of the paper look correct, as well as removing things like fingers getting in front of it, etc.
A second option, since the back of the paper is so plain, is to do a basic AE track of the icon, then match a solid and try to make it match as best you can. The Mocha option will do a much better job, however.
Also — THIS IS KEY — your footage was shot at 24 but is playing back at 30. This means it has pulldown applied. In this case it is standard 3:2 pulldown (not “advanced 3:2 pulldown”). You need to remove this in after effects before proceeding. If you are editing at 30, you can reintroduce the pulldown when you render, but those “sliced” frames will absolutely ruin your composite otherwise. So before you do anything else, make another version of your clip without the pulldown (so it’s running at 24). Good luck!
Ben Unguren
Motion Graphics & Editing
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Command+Opt+F to fit your selected layer to the comp window (Ctrl+Alt+F on PC). This is a lovely hotkey.
Ben Unguren
Motion Graphics & Editing
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