Re: RPP raw photo processor 64
Re: RPP raw photo processor 64
- Subject: Re: RPP raw photo processor 64
- From: Iliah Borg <email@hidden>
- Date: Sat, 01 Jun 2013 12:03:33 -0400
> Depending on the scene, I set the exposure to "reduce" blown-out highlights of important areas as much as possible.
Now we need to set technical criteria to "possibility" when underexposing the images to preserve important highlights. Recording devices have only that much of dynamic range and latitude.
Previews in the camera and histograms took away proper exposure skills, people tend to stop using exposure meters and go by blinkies, histograms, previews. Interesting that bracketing is also not that popular, and even if used, the granularity of bracketing is often set to much finer values than practical.
> But I see what you are getting at, considering that contrast at the scene can reach 10,000:1 and colors can be extremely saturated …
Sorry, can you rephrase or explain. Colours? -- or colour channels?
> So a "scene-referred image" can only be an approximation, but then achieving the best approximation, that is, mitigating both original brightness and color accuracy into an **original** that would be processed to a specific output, can that be the end goal of a RAW processor and are there some who that better (more accurately) than others ?
The strategy of dealing with routinely underexposed images in RPP is - compressed exposure compensation that is designed to produce film-like gentle highlight roll-of, colorimetric gamma when accurate colour is needed, and linearity of colour transform, no hue twists like it is in canned ACR/LR colour transforms.
--
Best regards,
Iliah Borg
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Colorsync-users mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden