Severe contrast enhancements: on 45% rule — and cats

Started Jun 28, 2013 | Discussions thread
OP ilza Regular Member • Posts: 107
Re: Changing contrast without distorting colors: 45% rule and another cat

knickerhawk wrote:

I'm pretty slow at this stuff too. To make things worse Ilza has marked me as a humanities major

Come on, all I said was that you behavedlike one. My apologies if you really took this simile too seriously!

presumably incapable of understanding the difficulties involved. However, I'll muddle on as best I can...

“Capability to understand” is a two way street. You not understanding me may be interpreted as your stupidity, or my ineptness, or just an impedance mismatch.

And I would say that for a humanities major, you muddle wonderfully!

On crappiness: IMO 45% is always better than 0% and 100%; but to find the best percentage more precisely, one needs either to consider a very large pool of images, or some extreme case, where the differences between 40%, 45%, 50% are more pronounced. I thought that γ=5 would provide a good example of such an extreme case; and to have something visible after γ=5, one must start with something sub-optimal.

Well, this was my logic in choosing this image as an example. In hindsight, it has obviously failed. Do you have better ideas for examples?

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