Scratches and cracks, stains, tears and worn corners, and faded or blurry faces. Damaged areas are rebuilt from the surrounding texture so the repair matches the paper grain instead of reading as a patch.
A dedicated face model works on each face separately - up to 16 in one photograph - and recovers the features that are present rather than generating a different person.
Yes, with colourisation that understands skin, sky, fabric and foliage so the result is plausible rather than tinted. It also works on faded colour photos.
No. Everything runs on device on iPhone, iPad, Mac and Vision Pro, and every result sits beside the original so you can judge the change.
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