Viggle.Ai: Multi-character motion tracking in Viggle V4

Demo summary
The video shows the Multitrack feature in Viggle V4, where a source video is uploaded and the AI tracks multiple subjects to replace them with custom characters while preserving motion.
Step-by-step
- Go to the left menu and click on Multitrack
- Upload your source motion video
- Click on each person in the video to track their individual movements
- Assign your character images to each tracked person
- Select the V4 model in settings
- Turn on Smooth Motion
- Turn on Foot Lock
- Click generate
Options
- Turn Foot Lock off for half-body portraits or close-up shots where feet are not in frame
Watch out for
- The V4 model must be selected in settings
- Source video must be 1080p or higher for best output
- Subjects must be clearly visible with smooth movement
Tips
- Use Foot Lock to eliminate the floating effect and ground characters in the scene
- Turn on Smooth Motion to dramatically improve animation fluidity
- Use real motion references instead of vague text prompts to direct the action
Highlights
“This is where Vigle leaves every other tool completely behind.”
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