AVISynth Filter Advice Needed

[Mythos2002]

Hello,

I'm pretty new here. I'm converting the Star Wars Definitive Collection LD's into DVD and was wondering if someone could give me advice using AVISynth. I want to use it for noise reduction because TMPENGnc's noise reduction is incredibly slow. I did a test encode of the first half of Empire (I'm splitting each film up on 2 DVD-R's)with decent results. The only problem I noticed was some ghosting during the Hoth scenes where there was a lot of snow blowing. This effect was noticed main on people's faces.

I'm using AVISynth version 2.5. Here is the script I've been using. Does anyone have any suggestions of things I should input, things I don't need, or settings I have wrong? As an aside, I didn't notice any trouble with the deinterlacing.

LoadPlugin("g:\decombfilter\Decomb.dll")
LoadPlugin("g:\decombfilter\TemporalCleaner.dll")
avisource("G:\Empire\empire1.avi")
Telecide(guide=1,gthresh=30,blend=true)
Decimate(mode=0,cycle=5, threshold=2.0)
TemporalCleaner(6,8)
temporalsoften(4,4,8,15,2)
LanczosResize(720,480)

Let me know if there is any additional information you need from me.
Thanks.

Mythos

[sh0dan]

There are loads of different filters to try:

In no particular order:

Convolution3D.
VagueDenoise.
Fluxsmooth.
Temporalsoften mode 2 (internal).
Dust (requires LoadpluginEx - search).
CNR2/DNR2.

If you supply a few seconds of video for us to test on, well probably be able to help more.

[Mythos2002]

Thanks Shodan.

I'll try some of those filters out. I was wondering how can I get you the samples to test with. AVI files can be huge, or do you want MPEG-2?

Thanks again.

Mythos

[sh0dan]

The straight captured material is of course the best.

[Malevolent]

The ghosting may be from temporalcleaner. I've experienced ghosting with it even when using ridiculously low values (3,4). Temporalsoften works fine for me.




:devil:

[Richard Berg]

I've participated in a LD-sourced rip of Star Wars, and it turned into quite an adventure. At the least, you'll need to give Decomb some more help (http://forum.doom9.org/showthread.php?s=&threadid=40295). For smoothers, I prefer Dust for denoising and C3D for gaining compressibility.

[Mythos2002]

Thanks for the information. I'm trying to figure out a place where I can post some samples. The problem is is that AVI takes up so much space.

I'm also noticed some bleeding in colors. I'm going to try some of the changes you mentioned in the other threads that you linked to. One other thing I'm trying to do is figure out the best TMPENG settings for color. There are several under environmental options. I'm using a GeForce4 Ti4200, so I won't be capturing to DV.

Thanks again.

Mythos

[wotef]

hello, we certainly learned heaps about capturing and avisynth when working on this project!

the key thing is successful IVTC, which the latest beta version of decomb (http://forum.doom9.org/showthread.php?s=&threadid=54456) can help you with - the learning curve can be quite steep on it but nothing beats it

then really all you need to worry about is denoising, resizing, etc

i'd go with richard and recommend dust for denoising, and for resizing, the marvellous fitcd (http://mitglied.lycos.de/fitcd/) in conjunction with gknot for correct aspect ratio voodoo

i'd also seek to deal with all colour balance corrections and tweaks via avisynth and frameserve that to tmpgenc

check out the doom9 capture faq (http://www.doom9.org/capture/postprocessing_avisynth.html) for wilbert's cool sections on brightness and colour adjustments via avisynth

you really shouldn't need to do anything apart from transcoding in tmpgenc

[Mythos2002]

Thanks for all of the advice. I'm going to work some on it today. I'll also have more time on the weekend.

I didn't notice any IVTC problems, but I won't rule them out.

I can't wait to get these films finished. I'm planning on splitting them up on two discs each. People told me to do single disc versions first, but I figure I can always do single disc version later. I won't to get the most out of the bitrate.

I was also told not to use TMPNGenc for audio. I've tried BeSweet and it hasn't made anything that works. I didn't really notice TMPNGenc having bad audio.

Well, I'll get to work on getting AVISynth 5.2 and the filters. Thanks again for the help.

Mythos