I decided to test Proteus v4 on a few scenes from a movie. Here are some of the results:
Original Left, Proteus v4 4x upscale, full auto settings on the right:
Notes:
I used the Grain filter to add grain back in. I may of over done it for this movie.
You will notice none of the enhanced and original frames match up. This is just because the TVAI app didn’t line them up and I was using the app to get screenshots.
When working with low quality sources with “medium” to “large” faces. It does a good job enhancing the face. It doesn’t perfectly match the original face, but it is enhanced.
And it’s not just faces, it’s hair too, it’s not perfect, but it’s enhanced in a pleasing way (at least to me):
It even seems to do well with people of dark skin. Something that can’t be taken for granted with AI projects. Actually, I think the ehanced faces of people with dark skin are better than people with lighter skin. I assume this is related to the increase contrast between things like eyes and teeth compared to the skin.:
Small faces are sub-par. As can be seen with the character in the middle of the frame (Note: it’s worse in motion), this is probably expected:
Extremely small face test (basically guaranteed to fail):
Proteus v4 still has an issue with “over enhancing” some features. Take for example the shirt in this shot:
Proteus v4 also has a “temporal artifacts” issue that’s more pronounced than Proteus v3. I can’t show it off here since I can’t upload videos. But if a “small” face has an object pass in front of it, then Proteus v4 will show more artifacts and for longer than Proteus v3. This could just be Proteus v3 handling compression from the original video better. Or Proteus v4 having worse temporal history handling.
It’s not just limited to faces, but it’s easier to notice on faces due to humans face recognition things.
Overall, Proteus v4 has issues (I didn’t cover most of them in this comment since I’ve covered them in other comments), but it does seem to do well in some scenes from older movies, especially with some added grain to hide the plastic-y look Proteus v4 sometimes brings.