SCAIL-2 Side Effects in Multi-Person Video Face Swaps
Cloud9_pilot · reddit · 2026-07-13
While using SCAIL-2 for video character replacement, the author found that single-person scenes work perfectly. However, in multi-person videos, while the targeted main character is replaced correctly, other figures experience outline/glowing side effects.
They also shared their current configuration and the specific issues:
- Workflow: SCAIL-2 unlimited length workflow and nodes
- Model/Settings: fp8scaled, Pusa + LightX2V LoRAs
- Scene traits: Clear 9:16 single-person reference image, but fails when applied to multi-person video
The core question of the post is whether this is a known limitation of SCAIL-2, if SAM3 tracking can be improved via thresholds/object count parameters, and whether Wan 2.2 Animate is more stable in multi-person scenarios.
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