Quality issues

[aerotem]

i keep getting this banding issue with my EVA 1.01 dvd, and so i tried using gradfun2db thinking it would help fix it, but it didn't make much of a difference.

without gradfun2db

http://img510.imageshack.us/img510/5451/banding1.png

http://img532.imageshack.us/img532/4743/banding2.png

http://img641.imageshack.us/img641/5742/banding3.png

with gradfun2b

http://img13.imageshack.us/img13/3456/gradfun2db.png

and here's the script

Code: Select all

mpeg2source("F:\Neon Genesis Evangelion\Evangelion 1.01 You Are (Not) Alone\Evangelion 1.01.d2v",cpu=6)Converttoyv12()
amvivtc(mode=1)
Spline64Resize(848,480)
Crop(4,10,-4,-10)
Deen("w3d",2,4,4)
gradfun2db()
awarpsharp2(8,1)
msharpen(threshold=10,strength=90,highq=true)
fastlinedarken(thinning=0)
SAA()

any help would be much appreciated.

[Kariudo]

I'm not gonna be able to see anything on my laptop screen before it gets darker, but there are a few things I can mention.

cpu=6 shouldn't be needed
converttoyv12() isn't needed (DVDs should already be in yv12 colorspace)

[mirkosp]

Why are you overfiltering eva? IIRC it looks very good, no need to filter it at all, you're just ruining it... those banding-like artifacts are probably introduced by the combined work of awarpsharp2 and SAA. You should place debanding after the SAA, if you really need any of those filtering lines at all.

[EvaFan]

Spline64Resize(848,480)
Crop(4,10,-4,-10)

A lil late to the thread but usually people crop before they resize. I'm not sure if your doing it this way for a reason or not but technically your video is 840x460 after that crop . No longer mod16 either unless your exporting it back at 848,480 after editing. I don't see the point of that though, resized twice.

[Mister Hatt]

Banding? Try removing:

Deen("w3d",2,4,4)
gradfun2db()
awarpsharp2(8,1)
msharpen(threshold=10,strength=90,highq=true)
fastlinedarken(thinning=0)
SAA()

Get yourself a better IVTC as well, like TFM(mode=1,pp=5,slow=2,micmatching=2,clip2=tdeint(mode=2,type=3)).TDecimate()

Once you have all that shit gone, just use gradfun2dbmod() after your resize, and if you still think it needs filtering for some reason (it really doesn't, stop being blind) then you can fft3d with (sigma=0.6,bt=4,plane=4) before the gradfun line but after the resize. Make sure to crop before resize and when you do your final encode to correct your aspect ratio.