Saturday, March 31, 2012

Re: [Avid-L2] Auto-color balance

 

On Sat, Mar 31, 2012 at 8:12 PM, Dan McCabe <danlist@bestmail.us> wrote:

> Part of what was surprising was that the repeated use of
> auto color in Curves, hitting it two or three times in a row, led
> to slightly different results.
>
That's usually the result of the tool re-balancing not off the source image
but the just-balanced image.

If you use the Auto Balance tool enough you start to figure out when it'll
work before hitting the button.

General rule of thumb: If the brightest parts of the image need to be white
but aren't, and if the darkest parts of the image need to be black but
aren't... that's when you have a better than average chance of auto-balance
tools actually working. (and specular highlights don't count)

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Patrick inhofer
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