88 votes

How can I get better results when doing camera motion tracking?

Here are a few pointers for camera tracking (for more details follow the links in blue text): 1. Prepare your scene carefully before shooting to make tracking and reconstruction easier Avoid sudden ...
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14 votes
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Manually make it look like an object is going through the floor (of a real life photograph)

Update for posterity: An archive of this answer can be found at https://bvisness.me/2017/04/25/blender-masking-layers.html. Blender has a feature called Masking Layers, which nicely accomplish ...
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14 votes
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Joining 2D tracking markers with an offset

To track areas that are blocked by obstacles or temporary going off-screen. Move the tracking marker before the area is hidden by pressing GG and dragging the marker to another tracking point, or ...
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  • 12.4k
10 votes

Remove Tracking Markers

Removing the markers is quite simple: What you need: Scale accurate model of the mini-figures head A million dollars and contacts at ILM :P What you need to do Align your model of the mini figure ...
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10 votes

Solve error high with good track?

Playing with track Weight may allow quick solving convergence, while keeping some (all) poor quality tracks. Solve as usual, then run this script into a python console, and then solve again. Desired ...
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9 votes
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Can blender create a topology of a face from real camera? (photogrammetry)

Blender can't do this (easily), but it is possible to do this with OpenSource Photogrammetry software (PPT and MeshLab) outside of Blender, then import the resulting model, see: Example, blog posts. ...
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  • 44.6k
9 votes

Solve error high with good track?

First try deleting the big sliding errors, where tracked seem to deviate a lot from others, just select the big spikes and delete. Then find the best sample region for keyframes, I think perhaps 40-70 ...
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  • 8,794
8 votes
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When should I use different tracker motion models when motion tracking?

The Motion Model switch tells the motion solver for which motion it should look (Blender Documentation). You kind of need to think backwards here. For every camera movement you want to track - which ...
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  • 1,219
7 votes

What does "three tracks with bundles are needed to orient the floor" mean?

In order to create the floor you have to solve the clip first. bundles are basically solve data for the track. Your error is probably caused by unsolved/incorrectly solved tracks. From the wiki: ...
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7 votes
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Motion tracking round objects

As cegaton mentioned your current solution does not represent 3d space, because you don't have enough trackers. You can try the following workflow: First enable object tracking Try to track the ...
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  • 14.6k
7 votes
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How does BLAM work?

Blam has been updated a bit since those tutorials. Use the MCE (Movie Clip Editor) or Stabilizer, to load the clip. The Blam addon should appear in the Tools panel in a tab called Miscellaneous. Turn ...
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  • 8,794
6 votes
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Use modern features like SURF in camera tracking?

Blender currently uses a KLT-Tracker (Kanade–Lucas–Tomasi) which is documented here . While algorithms like SIFT and SURF are patented, ORB (Oriented Brief) could be an alternative (BSD licensed) it ...
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  • 37.6k
6 votes
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Use 3 films (front, side, top) for motion tracking?

Empties are added to the scene as a result of the perspective information obtained during tracking. So no, you cannot use the empties from one solution to track a different camera. Watch "Track, ...
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  • 158

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