Despeckle to reduce video grain

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Lou Bruno
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Joined: 02 Apr 2007, 21:24

Despeckle to reduce video grain

Post by Lou Bruno » 01 Feb 2008, 01:30

Is there a method to reduce video grain which is the result of a low-lit scene similiar to DESPECKLE found in PhotoShop? Below are two video fram captures. The sky has produced grain.
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Fabrice
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Post by Fabrice » 01 Feb 2008, 09:12

hi Lou,

* Select the sky with the select tool,
* Try to use the FX : Blur > Median Blur > mode Edge Double
* Use values between 1 and 5.

It should do the job, without loosing too much informations on the picture. :)
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Fabrice Debarge, Product Manager, TVPaint Team

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Volker
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Joined: 13 Mar 2007, 08:48
Location: Hagen, Germany
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Post by Volker » 01 Feb 2008, 12:37

Hey Lou,
I don't see any video grain on those shots :?:
Maybe your monitor does not display "true colors" and you see color nuances instead of a smooth gradient between the dark colors.
I have a TFT monitor here that show for example gray- and blue shades in visible steps. The same footage looks much more natural on a CRT monitor. Just wondering...
Volker Hill

CBPaint 1+2, Casablanca Solitaire, Enterprise MAX, Bogart SE
TVPaint Animation Pro 9, Wacom Intuos 3

Lou Bruno
Posts: 41
Joined: 02 Apr 2007, 21:24

Post by Lou Bruno » 01 Feb 2008, 21:13

Actually the sky has much grain which is visible in the higher resolution and not the enclosed compressed version.
Volker wrote:Hey Lou,
I don't see any video grain on those shots :?:
Maybe your monitor does not display "true colors" and you see color nuances instead of a smooth gradient between the dark colors.
I have a TFT monitor here that show for example gray- and blue shades in visible steps. The same footage looks much more natural on a CRT monitor. Just wondering...

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