Originally Posted by Fjhdavid
I read all the posts of this thread (6 hours), and I learned about everything (thanks to Owen).
I tested the last celt-druid version and the last Milan version (SSE-2 both case).
I use Overlay.
With a pentium M780 (2.26ghz), I am able to play with Denoise3D AFTER a Lanczos2 (1280,720) (I cropped before a PAL source to 640x360) in order to get a x2 resize).
Owen, do you finally get good values for denoise3D after resize?
and which values for L, C and T do you prefer?
(I can change C and L with these ffdshow version unlike with andy's preview one)
Yes, you will get better results if you aply denoise 3D AFTER risize (you have updated your post and your question has disapeared).
I am not sure how and why you perform your cropping on your source, your image with a resize 2x will not look better that a non croped x2 resize downscaled by your videocard to your 1280x720 desktop/output,
however you will lost details, that even with a lanczos resize will not be able to bring out.
this is a long time that I have not upgraded my ffdshow config, I was just using the folowing config:
- denoise 3D L=0 C=0 T=3 HQ-checked (that remove some little noise)
- lancsoz2 x3 resize with L0.4 C=0
on PAL and NTSC, in VRM9 TT18.104.22.168 YU2 mixing renderless fullscreen mode (not sure all exact terms, but all theatertek user will understand)
it was almost one year that my FFDSHOW config has only changed due to TT improvment with VRM9 fulscreen that brings a big step further into PQ quality improvment, and so I have just reduced my original lanczos2 L=2 to L=0.4 for having even a sharpen picture with less artefacts.
so... Owen, after so much time enjoying my dvds, I have decided to have an extensive looks on all forum to see if there was news into the PQ improvment research, and found your reply on LimitedSharpen AVISYNTH script: I have decided to have a look on it and I found that there was again some room to improve PQ!
I know that you do not consider AVISYNTH scripts to be a real part of FFDSHOW, and to be developed into this thread, but the truth is the folowing: FFDSHOW is no more the best solution to improve DVD's PQ anymore.
The folowing AVISYNTH scripts that I used inside FFDSHOW (i still need it for Theatertek), brings more quality that the ones inside FFDSHOW.
I use right now all AVISYNTH scripts:
- MT (for multi threading)
- lanczos resize(1280, 720)
- colomatrix (for fixing the colorspace for VRM9 output)
so I do not use anymore any of the implemented filters of FFDSHOW, and the result is outstanding! I do not thought that there was room to improve the PQ, but the results are here:
-it removes the Halo arround sharpen object
-it sharpen the image without amplyfying the noise.
So my conclusion is:
- when FFDSHOW will integrate all the matrix algorithms that are used into those AVISYNTH scripts?
(lastly edited because I forgot to describe the hqdn3d script into my list of script i use, i am just not sure if i run it before or after lanczos resize)