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Article #288

Re: Difference between brightness and exposure?

#288
From: mike.engles
Date: Wed, 18 Aug 2004 23:24
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Hello

Bruce wrote

"A second argument agains a Levels or Curves interface is that ACR is operating on linear-gamma data, so levels or curves would behave fairly differently from the ones that operate on gamma-corrected data in Photoshop."

There is a irony here.

There have been inumerable 'gamma' battles on this and other forums, where the necessity for working in gamma spce was considered to be ABSOLUTELY essential. It now turns out that it is not ABSOLUTELY necessary. Bruce was one of the ones who was the greatest proponents of working in 'gamma' space.

This is what Timo Autiokari argued about and was totally vilified, by Chris Cox and others.

Will the next step be that Photoshop does all its processing in 'linear' space and not just the ACR.

Mike Engles
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Subject: Re: Difference between brightness and exposure?
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Date: Wed, 18 Aug 2004 16:24:13 -0700
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