[opendtv] Re: CBS Color without a wheel

Then there is the story (during the Olympic alpine events)  of turning
OFF gamma so that you "see" the downhill skier through the thick fog.
In those days, on or off were the only choices.  Of course, the skiers
didn't have such a switch for their eyes, but at least they were a
little closer to the course than the camera was.

Regards,

Ken

-----Original Message-----
From: opendtv-bounce@xxxxxxxxxxxxx [mailto:opendtv-bounce@xxxxxxxxxxxxx]
On Behalf Of Mark Schubin
Sent: Wednesday, December 14, 2011 6:03 PM
To: opendtv@xxxxxxxxxxxxx
Subject: [opendtv] Re: CBS Color without a wheel

On 12/14/2011 6:06 PM, Olivier Houot wrote:
> So in fact the behavior of the eye in that regard does not really 
> matter.
>
> I nevertheless wanted to add that, when doing some amateur video 
> editing, i often increase the gamma when a scene lacks contrast, as 
> contrast and brigthness corrections would usually have more unpleasant

> side effects (background blacks getting paler,...)
>
> To me the picture appears more readable after that kind of correction.

> I feel i can increase light areas without pushing dark ones too much, 
> and hence increase the contrast between those two.
Yes.  As I noted before, video/vision controllers often use different
gammas to achieve different effects.

TTFN,
Mark

 
 
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