Hi! I'm trying to repair these tapes.

[jonathon]

Hi! I'm trying to repair these old tapes of wwf (yeah, it´s a fake, etc,etc. but I like)

Here a original screenshot (there are scenes with worse quality than this)

Here a filtered screenshot

I used MCTemporalDenoise with settings "very high". But I wondered if using other filters and scripts give me a better result?

Thank you for taking the time to read this consultation.

Example in screenshotcomparison

http://screenshotcomparison.com/comparison/99102
http://screenshotcomparison.com/comparison/98633/

[dannyboy48888]

Hmmm. There isn't much to work with here. You are using a temporal only filter which only works on the same frame. I personally use fluxsmooth which is a spato-temporal filter (previous and same frame) example avisyth usage:

FluxSmoothST(7,7)

will usually remove most jumping pixels.
As with all other things there is no "perfect" filter for each scenario so try others suggestions also

[sanlyn]

Temporal filters work on multiple frames.

[jonathon]

Thanks for the help.

I tray with the "Unblock" and I must say I like the result,but I think it loses too much LOLdetail xD.
For example
Original


With mctemporaldenoise+crop


With unblock+mctemporaldenoise+crop


And screenshotcomparison with Unblock off/on
http://screenshotcomparison.com/comparison/99781

PS: Do not know how to put screenshot in spoiler, sorry about that.

[sanlyn]

Making progress, anyway. While a screen capture or two does illustrate noise problems, most of the time a short mpg clip will tell a great deal more about the kinds of filters needed.

[jonathon]

There are some old avi :/, I guess something can be done?

http://www.megaupload.com/?d=OHX0OTUJ

[sanlyn]

A lot of information has been chewed away by very lossy compression (Xvid) -- not a compression medium you want to use for old tape that needs extensive filtering. So you're at a disadvantage with lossy compression and accompanying artifacts/noise because of it. Each time you filter or process and recompress with XVid, you lose more data and gain more noise. Your first step might be to save this AVI to lossless compression (huffyuv or lagarith) in YUY2, or recapture it that way from scratch. You can do some cleaning and so forth, but you can't retrieve data that XVid already lost. You could go back to Xvid as a final step, but you lose too much by processing in XVid.

[sanlyn]

What are your ultimate plans for this video? Strictly for PC use? DVD? What did you use to capture to AVI?

[jonathon]

HI!

I save this avi in yv12 (for use in MCTD)
compression with x264 cli 8bit level 3.0, the info of the .bat is "x264.exe --crf 16.0 --preset veryslow --ref 9 --output "1996.mkv" "1996lossless.avs" 2> log.txt", very simple.
And the end use is for viewing on a HDTV (with internal player) or simply on a pc.

PS Compress already compressed source is a crime, why I came to you.

[sanlyn]

I've used h264 but am not an expert there, but many other forum members are and some good guides are available in the Tools section of videohelp. But before getting to final output, it's the original capture that's a bigger problem. Did this video begin as tape? The output of most VHS tape is a 640x480 frame; the AVI has been captured in a smaller frame size, and the smaller the source frame the worse it will look on HDTV regardless of final encoding. Usually, people would capture a 640x480 original at its display frame size (640x480) or in a frame size that will be rendered as standard for DVD/BR (720x480, or 704x480 is a bit better for original 640x480 material - these are NTSC sizes). While DVD is not really necessary with gear and TV's that can play XVid frame size directly, your playback options will be limited elsewhere.

There are several free video and capture guides at www.digitalfaq.com, a site where many forum members got started in home video, and it's been around for several years.

MCTemporalDenoise did a pretty decent cleanup on your source, but if you look at the original you'll note that most of what is being cleaned are compression artifacts. Those are so thick that they even mask things like tape noise and grain, and make VHS chroma bleed and macroblocking look worse than normal. I realize that a 45-minute video in a bigger frame and a lossless compressor would be somewhere around 20 GB in size. But working in lossy compression with an undersized frame makes cleanup far more difficult than it should be.

[jonathon]

Roger.
Will apply a spline36neutral at 720x480 with 4:3 AR and prove, again, thank you very much for all the information and help that you gave me.

[slats7]

I downloaded Fluxsmooth, but I don't know where to place the dll file. In the plug-ins directory?