All Questions
188
questions
1
vote
0
answers
36
views
Camera solve, align the 3D space with the footage
I'm adding the 3D object into the footage I shoot, after camera solving I got error 0.28px which is pretty good, then I want to check if the angle is correctly aligned with my footage so I put a long ...
- 537
1
vote
0
answers
37
views
Trackers don't line up with tracking
i'm making a vfx project in blender and with a solve error of only 0.28px the trackers don't line up with the tracking dots in the viewport.
here's an example-
- 11
0
votes
0
answers
63
views
How do I track the camera while knowing the specs of the camera?
I'm currently tracking footage filmed on a Mavic Pro drone camera. I have all of the specs of the camera, but I'm not sure how to include it into my track. It's also an extremely easy track because ...
1
vote
0
answers
198
views
3d tracking vertical video not working
For some reason I cannot 3d track footage in blender that is shot vertically (1080x1920). I had an idea to rotate the video to landscape (1920x1080) and see what happens. Sure enough, it tracks ...
- 21
0
votes
0
answers
247
views
How do I append camera with camera track animation
I want to append the camera that had animation on it (because of a 3D camera track) to a fresh 3D scene. How do I do this? When I append the camera into the new scene, it has no animation.
- 1,378
0
votes
0
answers
50
views
Determination the K-parameters for the distortion automatically
Something similar was ask here but I would like to know if it is possible to know with Blender automatically the distortion parameters?
I have this picture and I would like to know if Blender can ...
- 47
0
votes
0
answers
38
views
How do I attach an object to specific trackers?
I have been sitting and trying to solve these problems for ~6 hours, but to no avail.
I tracked my image sequence with the default Detect Features button and added my own trackers, but object in my ...
- 175
0
votes
1
answer
27
views
Using camera animation as base for motion tracking solve
I'm wondering if it's possible to use a camera animation (FBX or alembic) as the starting point for the motion tracking solve in Blender?
I'm using a method of tracking a camera live but the data it ...
- 1
0
votes
0
answers
290
views
Which 3 points are best to get a good floor? (Motion tracking)
When I set the floor of my tracking scene, I have to select 3 points to use. However, I noticed that the orientation changes depending on which 3 points I pick. I always thought it didn't matter. But ...
- 647
1
vote
1
answer
5k
views
What is the sensor width of an iPhone 11? I need it for motion tracking [closed]
I recently filmed a video with the iPhone 11 and I'm having trouble finding the sensor width needed for motion tracking.
I have found online it uses a 1/2.55 sensor width which blender actually offers ...
- 41
1
vote
0
answers
70
views
Locked track Camera error [closed]
Locked track object to camera x axis is very strange
When camera is on z axis(rotation) x axis of cube turn up
Is python can change it?
- 21
0
votes
1
answer
253
views
How to camera track complex shoots? [closed]
I am not able to this shoot
https://youtu.be/PkEsl5c5nC4.
The starting is good but then it diverges.
These are my trackers and error is 0.41
this is my hold out material because I need the scene to ...
3
votes
1
answer
1k
views
Motion tracking: I have a solve. Now how to get the camera position for each video frame?
TLDR: I've solved camera motion for a video clip. How can I export each camera's position and rotation to "real", unconstrained camera objects?
I'm using Blender's motiong tracking tools to ...
- 183
0
votes
1
answer
198
views
Physics in tracked scenes, not working
I've already made plenty of Blender physics simulations in my life but when i try physics in a camera tracked scene, literally nothing happens. Always. All setup is the same as in other scenes but ...
3
votes
1
answer
178
views
What Lens Model does Blender use for Camera Tracking?
I recently started working with the camera-tracking estimator to produce short augmented reality videos. I'd like to learn more about the lens model and its parameters (K1, K2, etc...).
Can anyone ...
- 141