Questions tagged [tracking]

Questions about Blender's 3D motion or object tracking system. Object tracking is accessed via the Movie Clip Editor.

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Move tracking data from video to an image

I have created camera track for a background using a video file - I would like to move this tracking data to a PNG, and export JUST the moving PNG as background to be used in another program. Once ...
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Motion tracking's result is not accurate even though solve error is low 0.29 [duplicate]

I have a clip recorded by myself with GoPro Max (wide mode). I did motion tracking on it around 8-10 times but couldn't get good result. The object keeps sliding even though I got solve error is good ...
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Is there any way to make camera tracking easier?

I have a video that i want to track its camera movement, but normal manual tracking is just waste of time. Is there any Addons or just anything that can ease the process of tracking camera movement? ...
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workflow for stabilization, camera tracking, and object tracking

What is the workflow for stabilizing a clip and then performing camera and object tracking within that clip? I can do each step independently but I don't know how to bring it together. The camera will ...
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Is there a way to make individual bones of a rig follow separate tracks?

I've been trying to learn some basic Blender skills in order to experiment with motion capture. I made a homemade tracking suit with some polystyrene balls, and used two cameras to create depth of ...
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Clear mask's parent without moving mask

In motion tracking I have footage where a single track isn't enough to track a sign on a wall which should be just hidden and replaced using a mask. So I created a mask, parented it to the first track ...
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Blender motion tracking data inaccurate in Houdini for further VFX?

Is there a way to export camera tracking data from Blender into Houdini? I tried it already with alembic export from Blender.. the moving camera is in Houdini but when I set the background image ...
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Why are my camera tracking markings not in view of the camera?

When I solve camera motion and set up tracking scene my camera does not point at the tracking markers. It also shifts the picture in the camera view down for some reason. The picture is not clipped in ...
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I only want to use tracking constraint during part of my animation

Hi I have a vehicle driving in a straight line. I want my camera to follow it, and I would rather position it myself most of the time, but during some part of the animation I would prefer to have the ...
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Object tracking of cable

I would like to do an object track for the front of this cable to add a dynamic hair system to it. The camera does not move, but I dont know how to get 8 trackers onto the cable tip. Is there a good ...
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Key in Davinci / Motion track in Blender [closed]

I am editing something in Davinci Resolve - but I am trying to do the motion tracking in Blender. The Keying in Blender is not great, so is there a way I can do the Key in Davinci, and then export ...
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Creating a procedural continuous trail following an object

I haven't found a single post which results in an actual trail so i tried making one a while ago; (Render of my old system). But it would break easily and the trail would flip orientation randomly, so ...
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How can I export a camera tracking data from Blender into Houdini

Is there a way to export camera tracking data from Blender into Houdini? I tried it already with alembic export from Blender.. the moving camera is in Houdini but when I set the background image ...
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How can I parent an object to a camera?

I have a scene set up where I render animations. For most of my character renders, my current setup is fine, but some of the more active animations make the subject figure leave the borders of the ...
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Why does Object Solver constraint move object outside the range of frames I tracked?

I have a movie clip that's 1027 frames long, the object I wanted to track only moves in some of those frames so I just added tracking markers for this range, i.e. frames 241 to 895. So when I created ...
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How to align camera and tracked object with existing geometry?

I've tracked an object from a piece of video - is there a way to now precisely align my camera and the object with existing geometry? E.g. below is a frame from my video - I know the precise ...
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How to make a flat plane follow a bone without rotating

So basically I want to do what should be a simple 2D eye rig where each part of the eye is a flat plane that follows a bone but doesn't rotate This the eye (each color is a plane) This is how I want ...
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Great tracking solve but poor line-up with geometry - how to improve?

I did an object track (rather than a camera track) and thanks to my tracking markers got a great solve of 0.19px: I know exactly how large the box is. So, I started by modeling the box with the known ...
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Head tracking with torso rotation

I try to setup few constraint for the head follow the target and the torso following along to make animations easier. My plan was 1-Head bone with Damped track targeting the sphere 2-spine_03 bone ...
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Head tracking Target

Every time i tried to make the head bone follow a target , it never work , i tried with both Track To and Damped track and it always end up with the head being snapped , looking away or not reacting ...
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Blender motion tracking track marks not showing pixel error

Maybe a dumb question, but when motion tracking why aren't all my markers showing the solve pixel error? If i've got around ten active at one time as an example, maybe one or two show their pixel ...
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Blender motion tracking FBX export camera doesn't have full animation baked keyframes missing

I've done a motion track, the camera footage is from an FPV drone, it translates forward then does an approx 90 degree right turn and 90 degree dive towards the bottom of a cliff then carries on ...
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Background not visible in Motion Tracking

I want to add my Object to a small clip but the clip is not visible in the composing window. Transparent is activated and I added (manual) the clip as background but it is not visible...why?
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Move tracking point without moving origin

I forgot a shortcut and I have no idea where to find it... I want to move the tracker point to a slightly different position without moving the origin of the point. You know, the same thing you do in ...
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Viewport rendered camera differs from rendered camera, which is like fish-eye

I have scene motion tracked. Can't understand why rendered image (like fish-eye lens) differs so much from rendered picture in viewport mode?
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Subtitute 3D Object Texture in After Effects

Imagine a 3D animation of an open book surrounded by a hugely complex scene, with the camera slowly approaching and/or orbiting it in multiple different trajectories made to flow into each other to be ...
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VFX video always flipped in Movie Editor

I was trying to do basic Motion Tracking in Blender, so I followed a tutorial and followed all the steps, but I had the problem a lot of people have where the video is flipped upside-down, and it was ...
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How can I track this shaky footage?

I want to get a 3D car on the road. I've tried tracking the footage, but it just doesn't work. The trackers don't stick. What are your ideas? Is there a better way to do it? Footage
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Phone in hand VFX

I'm a beginner at blender but I have made some smartphone concepts. I have used camera tracking to place them on tables in real footage but now I would like the concept held in my hand. Just wondering ...
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Convert tracking motion into animation 2D

Hello I'm trying to track motion of a 2D imagine sequence with trackers so I don't need to spend time to make a natural movement by hand. I'm basically trying to put a head on Berserker from AoE2 and ...
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How to fix camera animation after applying the camera solve in constraints tab?

Camera Track has a little hitch in between that I want to fix. What should I do to fix a little jitter in the camera animation after I applied the Camera Solve and Constraints to F Curve.
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Offset face tracking result to non human face

I'm new into (facial) motion capture with blender and I need to know how I can shift the tracks to map them on a different object. So far: I captured my face with a set of trackers and I am able to ...
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Some data failed to reconstruct

I added tracked out my footage with absolve error of 0.27px, but then when I tried to solve motion track, there was a error that said some data failed to reconstruct. And it can’t be because the track ...
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How do i track a camera's motion without it being effected by a moving subject in the scene?

I am tracking a greenscreen video to solve the camera motion into blender for a VFX film shot. The camera begins near the subject's face and slowly moves backwards, away from the subject, in turn ...
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Blender Camera issue when trying tracking

I have an issue with Blender Motion Capture. I tried to follow this tutorial about Motion Capture/Headtracking youtube blender Mocap tutorial HOWEVER I encountered an issue with my Blender at 2.23. ...
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Blender VFX camera tracking trouble

I cant seem to get the camera tracking markers and the original video to line up properly. I have been following this tutorial and I feel that something is missing. It may have to do with my camera ...
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How to keep an object off center while tracking it?

I have applied the Track To constraint to a camera in Blender (3.2.2). It tracks the target object. Perfect till here. But it keeps the object at the center of the frame, while I want to keep the ...
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Video goes inside the ground plane (motion tracking)

I'm really new to motion tracking in blender, and for whatever reason, the video is only being shown inside of the "Ground" plane. In the motion tracking tab: In the layout tab (Render ...
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why do my trackers not align properly with in the view port compared to the clip editor?

as you can see in the below images the trackers in the clip editor aren't in the right place in the view port (to see it clearly look at the highlighted marker). This influences the scene and when I ...
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Script for adding mesh as depth target to empties doesn't work

I'm following this tutorial for face tracking and used a few lines of code to add the face mesh as a depth target for all the trackers which are empties. Actually, I just wrote the lines from the ...
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rotation slightly off when using track constraints

I am using some tracking constraints to get a gun to point to a hand. This is what I have so far: It all works perfectly fine but as you can see, the left hand is not holding the gun meaning the gun ...
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Configure a camera to chase a flying drone with realistic lag?

I'm animating a flying drone, adding noise via the graph editor to make it wobble and such like a drone flying through shifting air currents. Now I'd like to add a chase camera a few feet behind the ...
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Modifying Camera Solver keyframes

So I'm quite new to Blender, but have 15+ years with 3DS Max... so apologies if this is a basic error I've tracked a drone shot and set up a 3D scene in Blender. It seems to work OK, but the camera ...
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How to snap object or cursor to solved track marker?

Is there any option for snapping the cursor (or a object) to a selected camera track marker?
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How can I export phone sensor information to Blender? [duplicate]

In short: video tracking using Android 11 smartphone sensors, without using tracking markers. I need to export movement information from android sensors to a program. Can this be done with addons or ...
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Nuke to Blender Lens Distortion: Centre vs. Optical Center

I'm working on a project where I need to undistort videos taken months ago, which have no corresponding calibration images (checkerboard, etc.). I have been using Nuke to estimate the distortion ...
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facetracking: how to track markers manually which Blender does not recognize?

I am trying to track some tracking markers on a face. A part of the clip works very well but at some frames, Blender does not recognize the tracking points at all. Is there a way to track those points ...
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How do you make your CGI object appear on replaced video on blender VFX?

I decided to replace the video I was using on blender VFX with a new one. I tracked the animation with the new video and it was the new video when I looked in the camera view. However, when I clicked ...
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I got a 0.00 error in blender motion tracking. Is it possible?

This an image to proof that I got 0.00 and my question would be: Is it possible? What does it mean
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How to Bake down all data to a single object

Can anyone please suggest how can I bake all the data into a single camera object? I have exported a camera track from 3dequalizer. When I import it inside blender this is the structure that I get. ...
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