When attempting to tilt the head back in my face swaps, I consistently end up with distorted and unnatural smear faces. Are there any specific techniques, settings, or post-processing steps that can help mitigate this issue and produce more visually appealing results? I'd appreciate any insights or tips from experienced users who have encountered and overcome similar challenges.
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This is entirely a data issue.
I assume you are saying that the A->B swap looks bad?
The reason this occurs is that you have faces tilted at more extreme angles in the A (source video), but do not have sufficient coverage of that data on the B side. When the model does the swap, it struggles to create a swapped face, as it has simply not seen enough data at that particular angle, in those particular conditions.
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