FluxSmooth
 

Here's a new spatio-temporal smoother I wrote today based on ideas that came to me developing NoMoSmooth.

The source code is available. Here's the description from the documentation:

As usual your mileage may vary. This filter is unrelated to flux capacitors, which enable one to travel temporally.

Edit: Removed links to old version.

Hi SansGrip,

So this filter supercedes NoMoSmooth?

Thanks,
-kwag

Re: FluxSmooth
 

:lol: Remember, on the latest version, we don't need to accelerate to 88MPH :) :wink:

-kwag

FluxSmooth Sample
 

To keep up with the tradition ;) , here's a sample with FluxSmooth+Blockbuster:
http://mpeg.0catch.com/test6-flux-smooth-LBR.m1v
I use default parameters with the filter ( FluxSmooth() )
Sample encoded with the LBR template at CQ_VBR value of 27. Average bit rate is 610Kbps. It's 11 seconds, and file size is 932KB.

-kwag

help please,the links to download don't work SansGrip,help.

:cry: :cry: :cry:

I posted a link for you in your previous post.

-kwag

Nope. NoMo is motion adaptive, Flux isn't.

In other words, with NoMo you can use very strong spatial smoothing on areas of motion to improve compressibility (though you will very occasionally notice some artifacts if you look carefully). Flux is just a "noise remover".

Flux should be a lot more gentle than NoMo if maintaining detail is a priority.

Re: FluxSmooth
 

I think NoMo could do with some acceleration... :D

I've had several posts about this from Doom9 too. They all work fine for me. The server must've gone down for a while.

New version
 

Here's version 0.2 with a minor bugfix, some optimizations, and support for Avisynth 2.5/YV12. I also changed the defaults as I found them too high.

Edit: Removed links to old version.

Re: FluxSmooth Sample
 

How do you find it compares to other tests, wrt both quality and file size?

Re: FluxSmooth Sample
 

I like the FluxSmooth+Blockbuster better than NoMoSmooth+Blockbuster.
The file size difference is almost none. In a 1 minute, 30 second file prediction test, the difference is 16KB larger on the NoMoSmooth+Blockbuster. And that's negligible. However, I can see a MUCH better artifact reduction with the FluxSmooth+Blockbuster.
Here's a sample of what the complete 120 minute movie looks like on one CD-R. I encoded it last night with FluxSmooth+Blockbuster: http://mpeg.0catch.com/test7-fluxsmooth-blockbuster.m1v

-kwag

hey kwag what does your script look like??

Like this ( the one I'm using on the LBR ) :

FluxSmooth()

######## Auto Strength, proportional strength depending on resolution #####
## Remove only one "#" on front of the resolution that matches your encoding.

BB_Resolution = 352*240
#BB_Resolution = 352*480
#BB_Resolution = 528*480
#BB_Resolution = 544*480
#BB_Resolution = 704*480

BB_StrengthConstant = 352 * 240 * 20 # Base strength
StrengthValue = round (BB_StrengthConstant / BB_Resolution)
Blockbuster( method="noise", detail_min=1, detail_max=10, lv=1 ) # Apply noise if complexity is <= 10%.
Blockbuster( method="sharpen", detail_min=20, detail_max=90, strength=StrengthValue) # Sharpen only if complexity is >= 20% AND <=90%.

# The last ~10% is left untouched (pass-through), to avoid sharpening highest frequency components ( Peak artifacts, sharpest edge, etc. )
##
################## End Auto Strength ####################


-kwag

Re: FluxSmooth Sample
 

That's interesting. What settings? The defaults for 0.1 were quite strong. How do you find Flux wrt speed?

That looks really good. I had no idea you could get such good results on a single disc...

Re: FluxSmooth Sample
 

I used the default. Just FluxSmooth()
But I didn't do any benchmarks 8O . Sorry!, I'm so amazed at the results, that I really don't care about encoding speed :) .
I'm encoding on a P4 @1.6Ghz, and at 352x240, it's about .9 real-time.

I have to encode "The Green Mile" ( 180 minutes ) with the LBR AND your filters :D
Last time I did, it looked good, considering it was encoded for one CD-R , but your filters were not around. That should be a good "stress" test to put your filters through :lol:
Also," Pearl Harbor" is also ~180 minutes, and was also encoded on one CD-R. I'll pull out my "Green Mile" tonight and run it again with your filters.
We'll see the results late late tonight or tomorrow ;)

-kwag

Re: FluxSmooth Sample
 

Ok, well, when you do your next encode you might want to specify the old defaults as parameters then:

FluxSmooth(temporal_threshold=7, spatial_threshold=7)

hehehe I'm going to have to try an encode with LBR. I've not played with it yet.

Re: FluxSmooth Sample
 

Will do. Just starting the rip now :D

When you do, don't use the default CQ_VBR setting. Use the file prediction formula to adjust it, so that space and quality are optimized.
And let us know your results ;)

-kwag

@SansGrip

why don't you put the FluxSmooth-01.zip here,please?
i can't download it from your link! :(

Re: FluxSmooth Sample
 

Ok, I'll do a search for that.

By the way, I just did a couple of test clips with the 528x480 template (the first of yours I've ever tried) with FluxSmooth and Blockbuster and it looks fantastic. I'm going to read up on the formula and do a two-disc of American Pie :).

By the way, I'm playing these on my Panasonic CV52 and the clips worked just fine. I've had bad luck with VBR movies in the past, though, with corruption problems around what I believe to be the middle of the disc. I'm thinking this might have something to do with the minimum bitrate... What do you think?