Theia3D Troubleshooting & FAQs

Contents:

• 1. Welcome to Theia Troubleshooting & FAQs
  • 1.1. Using This Guide
  • 1.2. Frequently Asked Questions (FAQs)
  • 1.3. Troubleshooting
  • 1.4. Contact Us
• 2. Frequently Asked Questions (FAQs)
  • 2.1. General
    • 2.1.1. How does Theia3D work?
    • 2.1.2. Has Theia3D been validated?
    • 2.1.3. How accurate are the results compared to other markerless systems?
  • 2.2. Hardware
    • 2.2.1. What are the camera hardware requirements?
    • 2.2.2. What are the computer hardware requirements?
    • 2.2.3. Can I use my own cameras?
    • 2.2.4. Can I use force plates (or other external devices) with Theia3D?
  • 2.3. Data Collection
    • 2.3.1. How many camera views are required?
    • 2.3.2. What are the limitations on capture volume? How many cameras do I need?
    • 2.3.3. What clothing should my participants wear?
    • 2.3.4. Can Theia3D track multiple participants at once?
    • 2.3.5. Can I collect data in _____ (location/environment)?
    • 2.3.6. What is the maximum sampling rate and data capture length?
    • 2.3.7. Do I need any software other than Theia3D?
  • 2.4. Data Processing
    • 2.4.1. Can Theia3D process in real-time?
    • 2.4.2. Do I need to process all of my data manually?
    • 2.4.3. How long does it take to process a trial?
    • 2.4.4. Can Theia3D track objects?
    • 2.4.5. Does Theia3D fill gaps or filter?
    • 2.4.6. Can I customize the model used by Theia3D?
    • 2.4.7. Can I export data for reporting? Is there built-in reporting?
    • 2.4.8. Does Theia support animation or game development?
• 3. Error Messages
  • 3.1. Organize Videos Errors
    • 3.1.1. Input directory has no mp4 or avi files.
  • 3.2. Video Loading Errors
    • 3.2.1. Videos not formatted properly.
    • 3.2.2. Only __ videos found.
    • 3.2.3. Videos not the same length.
    • 3.2.4. Unsupported video codec detected.
  • 3.3. Calibration Loading Errors
    • 3.3.1. Unable to load calibration.
    • 3.3.2. Required camera parameter groups not present.
    • 3.3.3. Qualisys calibration has inconsistent FOV.
  • 3.4. Workspace Loading Errors
    • 3.4.1. Data not loaded.
  • 3.5. Calibration Processing Errors
    • 3.5.1. Camera extrinsics optimization step 3 failed.
    • 3.5.2. Unable to construct a continuous volume from overlapping chessboard frames.
  • 3.6. Run Analysis Errors
    • 3.6.1. Track people not complete
    • 3.6.2. Abnormally high tracking errors.
• 4. Visible Issues
  • 4.1. Coordinate system is out of place in one camera view.
  • 4.2. Coordinate system is in different positions and/or orientations in all camera views.
  • 4.3. Coordinate system is in an incorrect but consistent position and/or orientation in all camera views.
  • 4.4. Skeleton is consistently outside the body.
  • 4.5. Skeleton is momentarily incorrect.
  • 4.6. Skeleton is incomplete.
  • 4.7. Skeleton is completely missing.
  • 4.8. Skeleton is jittery.
• 5. Other Issues
  • 5.1. Calibration files not visible in file browser.
  • 5.2. Theia3D freezes when attempting to open the application.
  • 5.3. Theia3D crashes when attempting to process a calibration or movement trial.