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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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How can I create a geometry from a keyed part of a video?

I keyed out two characters in a shot. Now I need to create a geometry from their exact movements. How do I do that?
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How to apply a motion to a model?

Blenders. A newbie is here. I've been looking for how to apply a motion to a model in Blender, but it's not easy to find. I've been googling and searching on Youtube, but no luck. Here is my process: ...
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Can I have different cameras with different motion camera videos

I have two parts of a motion capture video and a camera in between to show off the underground portion of a model. I've already got the motion capture done to both parts, cameras lined up, movement is ...
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How to change the location and 'angle' of an animated rig produced with Rokoko motion tracking suit?

Hello Blender community, I recorded a simple animation with a Rokoko motion tracking suit, for a character. It consists in a walk from a point A to a point B. In between the character zigzag a bit, ...
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How to loop or extract 2D stabilization data?

I have a movie that shifts side to side, ever so slightly, throughout the whole thing. I can easily make 2D stabilization trackers on some scenes, but the shifting is consistent and is only a 33 frame ...
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Problem when running load_and_retarget from makehuman. It doesn't work when I run it from console

I am trying to import bvh files and retarget it. It works perfectly when I click the Load and Retarget button from the addon, but it doesn't when I run bpy.ops.mcp.load_and_retarget(filepath = files) ...
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Retargeting animation from BVH to FBX

I have an FBX file containing a rigged 3D mesh with its armature, and a BVH file containing animation data for the exact same armature (same skeleton topology and bones names). I import both files in ...
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Move bones to match mesh

I would like to do real-time face mocap in Blender. I found a number of tutorials online doing so like this: record video from camera use face landmark detection to detect position of the nose, chin, ...
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Hypothetical question regarding 2D eye rigging for unity/mocap

I just recently modeled a character with 2d Eyes. The eyes are flat planes that rest on the surface of the face via applied shrink-wrap mod. The eyes have a texture of the pupils and the pupils move ...
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Switched Y axis and Z axis in imported FBX animation

I have specific problem. I made animation using Deepmotion.com as motion capture tool. The animation is making arms going through body if I use model I need to use for final render. So I tried ...
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How to set the origin of an armature after location keyframes have been added?

I'm trying to do an animation from mocap data. I turned the animation into an action so I could manually edit the sliding feet, intersecting meshes, etc. Every time I did this I added a new keyframe ...
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Mirror Animation File (BVH / FBX)

I have a couple of motion capture (mocap) animation files which I would like to mirror. That is, if the animated skeleton is moving towards the forward axis (for example positive Z) and then executes ...
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How To Convert Motion Tracking From After Effects To A Blender Camera?

I have a video of actors on a chroma screen running toward the camera. I need to animate a camera in Blender to match the real camera's shake (it was an intentional effect during filming). I had ...
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Adapting BVH Armature & Animation Motus (Mocap Online) to MB-lab

I've been struggling with using the Mocap Online motion capture packages with MB-lab for several days now and it's become extremely frustrating. I suppose my limited knowledge in both Blender and how ...
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Motion data extraction from blender environment by python code

I have some 3d motion data that was generated in blender environment and exported to gltf format. Is there some kind of library that can load this data into python objects for easy work ? I seen that ...
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How to transfer facial mocap from Blendartrack?

I’m loving the results I get from Blendartrack for facial mocap but the mesh is baked. I really need to get that motion to a full 3d character with the face of the person I scanned. I’ve been using ...
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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