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Virtualdub & Avisynth = different results

 
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themaster



Joined: 05 Jul 2008
Posts: 7

PostPosted: Mon May 09, 2011 1:24 pm    Post subject: Virtualdub & Avisynth = different results Reply with quote

I'd like to understand why i get different results when i use neat video inside virtualdub and inside an avisynth script, please read below:

1) I feed vdub with an avs script in RGB32; in vdub i output in rgb 24, compression with huffyuv (that's what it like..rgb24)

2) Now this time in the avs script i use neat video directly, use the same profiles, same parameters (interlaced, temp radius etc..), output in rgb24:
Script:
Avisource("H:\MyVideo", fourCC="HFYU", pixel_type="YUY2")
AssumeTFF
ConverttoRGB32(matrix="rec601",interlaced=true)
LoadVirtualDubPlugin("C:\Program Files\VirtualDub-1.9.8\plugins\NeatVideo.vdf", "NeatVideo", 2)
NeatVideo("C:\Program Files\Neat Video for VirtualDub\PROFILES\blabla.dnp", "C:\Program Files\Neat Video for VirtualDub\PRESETS\blabla", "1.0", "2", "1", "1")
ConverttoRGB24(matrix="rec601",interlaced=true)

Comparison, image (noise):
vdub vs avs, click here


Full size pictures:
Vdub vs Avs

The sharpness is different and the noise residue is different .. What !?
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NVTeam



Joined: 01 Sep 2005
Posts: 2238

PostPosted: Mon May 09, 2011 9:38 pm    Post subject: Reply with quote

How did you extract these frames, using which controls in VD? From which point of the rendering workflow do they come? Please describe that step by step.

Thank you,
Vlad
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noise reduction for video and photos
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themaster



Joined: 05 Jul 2008
Posts: 7

PostPosted: Tue May 10, 2011 12:29 am    Post subject: Reply with quote

I have extracted both of these pics with AVSP which is an avisynth script editor from Raw processed avi
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NVTeam



Joined: 01 Sep 2005
Posts: 2238

PostPosted: Tue May 10, 2011 12:45 am    Post subject: Reply with quote

Which version of NV did you use?

Vlad
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noise reduction for video and photos
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themaster



Joined: 05 Jul 2008
Posts: 7

PostPosted: Tue May 10, 2011 12:51 am    Post subject: Reply with quote

I have used the version 2.22
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NVTeam



Joined: 01 Sep 2005
Posts: 2238

PostPosted: Tue May 10, 2011 12:52 am    Post subject: Reply with quote

Please update it to the latest version.

Thank you,
Vlad
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noise reduction for video and photos
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themaster



Joined: 05 Jul 2008
Posts: 7

PostPosted: Tue May 10, 2011 12:30 pm    Post subject: Reply with quote

So in essence you're saying that in the latest version there is no such a bug?
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NVTeam



Joined: 01 Sep 2005
Posts: 2238

PostPosted: Tue May 10, 2011 12:55 pm    Post subject: Reply with quote

The version you use is outdated. Please try to update to the latest version to check if you still observe the same problem. It may or may not be present. To know for sure you need to check that in your own workflow.

Thank you,
Vlad
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Neat Video team
noise reduction for video and photos
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