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:

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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