Doom9's Forum - View Single Post - an idea for fixing haloed, chroma bleeding edges

Didée · 24th January 2011, 19:37

Regarding the motion-compensation part: Reduce blocksize to 4, reduce hierarchical levels to 2 or even 1, and make a small-range exhaustive search. (The only thing you want to compensate is the warpsharp deformations. Hence, the wanted compensation target should be very close to the starting pixel, usually not more than 1~2 pixels away.)

It might pay off to apply some blurring to the motionsearch clip - after all, the warpsharpen'ed edges are sharper than the original edges. Would be better if, in the searchclip, both clips have a similar level of sharpness (or blurryness) .... else, Manalyse would need to match a "sharp" edge onto a "blurry" edge, which obviously isn't ideal.

edit: Regarding detail loss: make a comparison where the original input has "more edge" than the result. Those are (probably) the areas where merging-back the original is appropriate.

24th January 2011, 19:37	#2 \| Link
Didée Registered User Join Date: Apr 2002 Location: Germany Posts: 5,391	Regarding the motion-compensation part: Reduce blocksize to 4, reduce hierarchical levels to 2 or even 1, and make a small-range exhaustive search. (The only thing you want to compensate is the warpsharp deformations. Hence, the wanted compensation target should be very close to the starting pixel, usually not more than 1~2 pixels away.) It might pay off to apply some blurring to the motionsearch clip - after all, the warpsharpen'ed edges are sharper than the original edges. Would be better if, in the searchclip, both clips have a similar level of sharpness (or blurryness) .... else, Manalyse would need to match a "sharp" edge onto a "blurry" edge, which obviously isn't ideal. edit: Regarding detail loss: make a comparison where the original input has "more edge" than the result. Those are (probably) the areas where merging-back the original is appropriate. __________________ - We´re at the beginning of the end of mankind´s childhood - My little flickr gallery. (Yes indeed, I do have hobbies other than digital video!) Last edited by Didée; 24th January 2011 at 19:49.