TARGETED FIXES FOR YOUR ISSUES:
1. FACE STABILITY (Reduce Jitter):
- Added swap_face_stable() with position smoothing
- 70% stability factor to reduce movement while talking
- Global position tracking for smooth transitions
- Face position smoothing without FPS impact
2. FOREHEAD & HAIR MATCHING:
- Added improve_forehead_matching() function
- Focus on upper 30% of face (forehead/hair area)
- 60/40 blend ratio (60% swapped + 40% original forehead)
- Better hair coverage for people with less hair
- Soft blending to avoid harsh edges
SPECIFIC IMPROVEMENTS:
- Less jittery face movement during talking
- Better forehead alignment and hair matching
- Preserves original hair/forehead characteristics
- Smooth position transitions
- No FPS impact (simple smoothing only)
EXPECTED RESULTS:
- More stable face during conversation
- Better hair and forehead matching
- Less noticeable hair coverage differences
- Smoother face swap transitions