There are also other variants of hacks you can check , like NikonHacker. Hi, this message has been edited to point your attention to ready to go solution of how you can 1. You must be looking at the full video or testing on another example, or you didn't quite use the same script - because he replaced it with a mask. It's got halos at sharp edges and unnatural looking edges. It's just an unsharp mask.
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