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Theia Axiom - v2025
Theia Axiom - v2025
  • Theia3D Documentation
    • What's New
    • Theia3D Documentation
    • Welcome to Theia3D
    • Keyboard Shortcuts
    • Getting Started
      • System Requirements
      • Installation
      • License Activation
      • Startup Window
      • Theia3D Basics
      • Camera Setup Tips
      • Tutorial Videos
    • Data Collection
      • Data Collection Principles
      • Recording Intrinsic Lens Calibrations
      • Recording Extrinsic Chessboard Calibrations
      • Recording Extrinsic Object Calibrations
    • Theia3D Interface
    • Theia3D Dropdown Menus
      • File Menu
      • Analyze Menu
      • Display Menu
      • Results Menu
      • Calibration Menu
        • Check Calibration
        • Lens Calibration
        • Chessboard Calibration
        • Object Calibration
        • Adjust Calibration
      • Tools Menu
        • Check Synchronization
        • Organize Videos
        • Format Sony Multicam
        • Assign Calibration Files
        • Modify People IDs
        • Toggle Views
        • Display Video Metadata
        • Enhance Videos
      • Settings Menu
        • Settings Menu
        • Analysis Preferences
        • Rendering Preferences
        • Setup Preferences
      • Help Menu
    • Theia Model Description
      • Default Model Description
      • Full Body Model Description
      • Separate Arm and Head Model Description
    • Data Formats
      • Video Data
      • Calibration Files
      • Theia3D Workspaces
      • C3D Files
      • FBX Files
      • JSON Files
      • Video Overlays
    • Theia3D Batch
      • Theia3D Batch Interface
      • Setting Up a Batch
      • File Menu
      • Help Menu
      • Settings
      • Trials
      • Preferences
      • Batch Processing Outputs
    • Camera System Requirements
    • Sony Camera Package
      • Components
      • System Setup
      • Data Collection
  • Troubleshooting
    • Troubleshooting Documentation
    • Error Messages
      • License Errors
        • License Activation Failed
      • Organize Data Errors
        • Input directory has no mp4 or avi files
      • Load Video Data Errors
        • Videos not formatted properly
        • Only [#] videos found
        • Videos are not the same length
        • Unsupported video codec detected
        • Invalid video
      • Load Calibration File Errors
        • Unable to load calibration
        • Required camera parameter groups not present
      • Load Workspace Errors
        • Selected folder does not contain a valid Theia workspace
        • Incompatible workspace
      • Calibration Errors
        • Camera extrinsics optimization step 3 failed
        • Unable to detect chessboard in overlapping frames for all cameras
        • Too few chessboards detected (<25)
        • Field of view coverage insufficient (<60%)
      • Movement Trial Processing Errors
        • Track people not complete
        • Abnormally high tracking errors
    • Visible Issues
      • Coordinate system is out of place in one camera view
      • Coordinate system is in different positions and/or orientations in all camera viewse
      • Coordinate system is in an incorrect but consistent position and/or orientation in all views
      • Skeleton is consistently outside the body
      • Skeleton is momentarily incorrect
      • Skeleton is incomplete
      • Skeleton is completely missing
      • Skeleton is jittery
    • Sony Troubleshooting
      • Initialization Issues
      • Unstable Connection
    • Other Issues
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On this page
  • Cancel Analysis
  • Run 2D
  • Track People
  • Solve Skeleton
  • Run Analysis (without 2D)
  • Run Analysis

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  1. Theia3D Documentation
  2. Theia3D Dropdown Menus

Analyze Menu

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Last updated 1 month ago

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Cancel Analysis

Cancel the currently running analysis. This option is available (and replaces all other options) only when analysis is running.


Detect people in each of the loaded videos. When complete, boxes are drawn around the detected people in the video overlays if Show Boxes is selected in the Display menu. Video data and calibration must be loaded before running Run 2D.


Identify people across views (i.e., determine “who is who” in each of the views). Identification requires the person to be clearly visible in at least three views simultaneously. Each identified person is assigned a unique color that is applied to their boxes, segments, and skeleton. Run 2D must be completed before running Track People.



Runs: Track People and Solve Skeleton. Run 2D must be completed.


Shortcut: Ctrl + F

Runs: Run 2D, Track People, and Solve Skeleton. Video data and calibration must be loaded.

Run 2D

Track People

Solve Skeleton

Solve the 3D pose of each identified person. The kinematic model is scaled and the pose of the model is solved using inverse kinematics. A description of the model can be found in . Refer to for information about using a previously saved model to perform the inverse kinematics step. Track People must be complete before running Solve Skeleton.

Run Analysis (without 2D)

Run Analysis

Theia Model Description
Settings Menu
Analyze menu.