better average color and mask blending

[Hunterwolf88]

Hello there,
how can I get better results like those?
deepfakes/faceswap#30

I still have that rectangle around the swapped faces by default

[seranus]

Increase your blur and erosion size to 10+

[torzdf]

On 720p images I use blur of 50, but it will depend on your frames

[Hunterwolf88]

thanks :) adding --blur-size and --erosion-kernel-size on default settings worked well