Questions tagged [motion-capture]

Motion capture (Mo-cap for short) is the process of recording the movement of objects or people.

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Manual motion capture: get floor coordinates of an object picked from a video frame

In Motion Tracking, I loaded a clip, added markers, computed camera motion. Then I picked 3 markers and calculated the virtual floor. Would it be possible now to click, in some clip frame, a chosen ...
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17 views

i cant solve camera motion

I can't solve camera motion after tracking my footage. I don't know what happened, if I messed up with tracking. I don't understand some data failed to reconstruct meaning.
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Is there any way to Zero-Key the layer to remove the offset in NLA editor?

I am fixing bugs in Motion capture and there is a nice feature in Maya called Zero-Key which adds keyframe for selected objects to remove the additive layers offset. It sounds confusing I guess. In ...
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16 views

How to import animations to custom rig? [duplicate]

I have my own rig on my character, and i want to apply premade animations to it. Tryed to import mixamo animation, deleted mixamo rig and model, but no idea how to assign actions to my own rig. Also, ...
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10 views

Automaticly merge multiple frames from a camera projection into one

I have tracked my camera and recreated the scene mesh on which I am projecting the frame of the image sequence. If I step some frames back the camera "sees" something different. A different ...
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14 views

Motion tracking. How to find frames where marker is enabled/disabled (or/and not tracked yet)? Maybe via python?

During motion tracking of several markers at once, it happens that some marker is lost at some frame for some reason. Then I spend a lot of time searching on which frame this marker got lost. ...
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27 views

Rigging Artifacts

I'm playing around with Kinect mocap, I'm completely new to rigging. To get my feet wet, I'm using the resources here. I'm trying to apply the animations from the female base model to the male one. It ...
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23 views

How to make a single rotation edit in a global axis but across the entire animation?

I have a mocap animation which is wrongly placed and rotated; the root bone is located at X= -184 and so on, and is at about 30 degrees in the global Z axis in the starting frame, which is frame #2. I'...
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9 views

Armature moves in 3D view but location info not updating

I'm new to animating and am trying out retargeting. My rig follows the motion captured sourced rig, but her limbs' location info doesn't update. Yet her torso updates accordingly. How do I get the ...
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67 views

Root bone from Rokoko-Mixamo skeleton disappearing when importing fbx

I am starting out doing some motion capture with a Rokoko suit for a project and I am encountering a very odd problem. I want to use Rokoko add-on to retarget the animation onto Mixamo auto-rigged ...
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17 views

How do I combine .BVH data and a .FBX character model into an animation?

I have a .BVH dataset that I would like to visualize better by combining it with a simple human character model. By this I mean making the model follow the .BVH motions. I am currently trying to use a ...
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1answer
70 views

Combining separate body and facial motion capture

Hoping someone can help with this, i have a human generator rig which has a rigify - meta human rig for both body and face. I have a FBX Mocap file for the body and a TXT and WAV file for the face ...
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How do I track a camera that moves a long distance (IE, a bike going down the side of an entire mountain), without losing accuracy?

I have a couple of videos I pulled off of youtube of bike runs down the sides of mountains, and I would like to digitally add in some crazy scenery as a joke like lava pits in the jumps, etc... ...
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Motion tracking reduces video quality and does not prefetch it all

When I import my video into motion tracking, it looks like the quality of the video is reduced by a lot. Additionally, when I play the video and it starts loading into RAM, it starts removing ram from ...
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10 views

How to motion track water in blender?

any idea how to motion track water? I want make some balloons float over the water...did we need to create water and balloon 3d model and then motion track or just straight out track the water...
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48 views

how to adjust motion blur to background in cycles blender

Creating video using image sequence. I want to express the speed using motion blur. For example, add strong motion blurs to wheels and backgrounds and add a little less to the main object. What can I ...
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19 views

Cycles "desyncs" motion tracked video

I'm trying out motion tracking for the first time and followed Ian Hubert's tutorial on it. I did a version with my object, a sword, just floating over my coffee table in Eevee that looked a little ...
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1answer
43 views

Incorrect Rotation for Imported Vertical Video in *Movie Clip Editor*

Unexpectedly, blender rotates the vertical video shot on my iPhone when I import it into the Movie Clip Editor. How can I rotate the footage in the Movie Clip Editor view so I can clearly work with ...
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12 views

assigning multiple shape keys to drive multiple shape keys

I am doing facial motion capture for a short animated film. The captured model of the actor has a bunch of shape keys that then drives the shape keys on the character model. This works great but it is ...
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1answer
72 views

How do I convert this FK leg to IK without getting rid of animation

I have this character here that has motion capture on him but I want the legs to be put into IK instead of using FK without getting rid of the motion capture I got from Mixamo. I've tried "baking&...
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38 views

Bake Action causes Animation to disappear

I am trying to bake the global translation and rotation of this bone that I have parented to the foot of this character that has motion capture animation on it. I want to bake the values so that I ...
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120 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 ...
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1answer
227 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 ...
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25 views

When I set the floor the scene disappears (motion tracking)

So I have a scene where I am trying to get an image to match my blender scene, so I duplicated the image and called it a video with 2 frames. I then did your standard tracking things, and when I ...
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1answer
12 views

Animating active object issue in motion tracking project

Why won't my 'meteorite' continue forward follow-thru even though set as an active object in the Physics tab? • Project for school - to VFX a meteorite striking building • Must finish by this coming ...
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Cell Fracture Issue | Some cells material is weird - need help! Blender v2.83

Motion Tracking anomalies in Blender v2.83--My class project for animation VFX. Am attempting to crumble a building via an animated meteorite hit VFX, but after using Cell Fracture, the Image Texture ...
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16 views

How do I get my -Project from View- image back in Blender v2.83? [duplicate]

We're doing a Motion Tracking project in class and we had to use Project From View for the UV on the building we intend to create the VFX meteor explosion, but when I went back into the Blender v2.83 ...
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1answer
124 views

Motion Capture Animaton Retargeting

I'm new to rigging in Blender. I only know the basics like creating bones, parenting to meshes, etc. For my school project, I have to make some animations. Fortunately, I obtained some motion capture ...
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23 views

Can you retime mocap animation without moving keyframes?

I would like to retime some mocap animation in the graph editor using curves. However, I have a 2D face attached to the head that should be running at its original frame rate. Is there any way to do ...
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22 views

How to track footage that goes in a circular motion? [duplicate]

I've been trying to track the game footage in the link below I tried tracking everything myself, and the detect new features method when some tracks are starting to disappear, the lowest I got was a ...
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15 views

Struggling parenting BVH motion capture data with existing model correctly

I'm trying to parent (with automatic weights) a mesh that I have to a rig that has been motion captured. However, the rest position (edit mode) of the rig does not match the mesh. Do I have to change ...
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159 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 ...
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28 views

2 rigs in one object

I would like to rig my object in the style of a two person horse suit. So two separate rigs for one object. I'll be using it for mocap later with two people. I tried just putting two separate ones ...
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39 views

Sync animation of two Rigs

I have two Motion-Capture recordings of the same scene that start at slightly different timestamps, so if I import them into Blender the two animations are not in sync with each other. Is there an ...
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15 views

How to map mocap data to MHX2 model

I am using blender to create a motion capture of my facial movements using the motion tracking feature. When I create the motion trackers and I enter the default mode, I would like to map those to an ...
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1answer
48 views

How to export motioned tracked mesh and background video in mp4?

I followed a tutorial (https://www.youtube.com/watch?v=6Vm9Jx1pWv8) to mesh on a picture of mine onto a video however the final part about exporting it does not work. Setting up the compositing as he ...
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26 views

Blender Animation Works in Viewport but not in Render (Mocap / Face Tracking / Face Capture / Motion Capture / Face Capture / CGMatter)

(I'm french) I've made a motion capture with trackers links to empties. And thanks to a script from cgmatter, my empty are joined to bones wich make move a 3d face. All works fine in the viewport, but ...
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104 views

How to use Ni Mate in blender 2.91

I want to retarget the Ni Mate armature to my own armature to record a motion capture animation live. According to the instructions of this tutorial https://www.youtube.com/watch?v=-nN0neRp444 the ...
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39 views

Combining facial mocap with hand animated bones

Hi i want to start with facial mocap for my blender characters and i saw there are ways to do this with openCV for example. I want to know, once i got the facial tracking into the character is it ...
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1answer
49 views

Snap an animated rig to another static rig position while keeping the animation of the first one (MoCap, Kinect)

I'm trying to make motion capture thanks to Royal Skies' tutorials, using a Xbox One Kinect. Here's the tutorial part (1,38min in total) : https://www.youtube.com/watch?v=2FGu-g8qsww So I have a ...
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12 views

Camera projection mesh doesnt affected by artificial light source like sun,point light,area light etc

Can anyone resolve this? I have done successfully camera projection in Blender 2.9..but whenever i tried to ad some lighting effects on the camera projected mesh,it doesn't affected at all.i do set my ...
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89 views

NI Mate Blender Add-On for Motion Capture -> No Hip (Empty) created

This is my first post here so pardon any mistakes i make. I have Delicode NI Mate running with Blender via it's add-on for Motion Capture. I have a Kinect One (v2) used to preview the motion capture ...
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1answer
71 views

3D camera tracking and object tracking are not on right position

I'm sorry if this question as already been asked, but I couldn't find it anywhere so asking again. If someone knows please write in comments. The story is, I've a video clip form (hollywoodcameraworks)...
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64 views

Why does my 3d object move around even though I have good motion tracking

I've switched from native Blender motion tracking to using April Tools mentioned in CGMatter's video. This seems to be working really well. However, I have a 3D model of a porsche that is giving me ...
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1answer
452 views

BLENDER & FBX Mocap Import not translating to Rig

I created, rigged a character in blender using Blenders bone only meta rig (no IKs) set up. I exported that character rig to animate in mobu storymode and then rendered it all in Unreal 4. I now want ...
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295 views

How do I combine an animation with two different fps'?

I have two separate motion capture fbx's, one being the body which is 100 fps and the face being 24 fps. I just brought the both of them to blender 2.9 however since they both are two separate fps' ...
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39 views

What easiest way to animate rigged 3d model of person?

folks! I'm alone creating a fitness app for mobile devices. And I need animated examples with workout exercises. I bought rigged 3d models. But the problem is that I can't hire professional animators. ...
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114 views

Boujou Tracking - FOV feels wrong

For the past few years, I've been tracking shots from Boujou to Blender, using Blender 2.49B to 2.9 (Thats one of the best, non-bugged ways to transfer tracks). Though, shots like this where the "...
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1answer
200 views

Motion track while knowing distance between points

Is there a way to 3D track points while knowing the distance between them? Example: I track nine points in a grid like this: . . . . . . . . . The distance between ...
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37 views

Blender for online human-movement visualization

I would like to know if I can use Blender to visualize human motion in an online manner. In my setup, I will have motion capture system which will provide the position of some arbitrary marker (...