Why do posted images remain untagged?

Started Oct 29, 2012 | Questions thread
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gollywop
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Why do posted images remain untagged?
Oct 29, 2012

While dPreview gallery images retain their profiles, the posted images taken from them are untagged. This means that many viewers see these images with distorted colors, sometimes significantly.

Even if a color-managed browser assumes an sRGB profile for untagged images, this problem can arise. Almost all color-managed browsers fail to convert the output from untagged images using the monitor's profile. Thus, to the extent that a monitor's gamut differs significantly from sRGB, color distortion occurs.

This is particularly true for wide-gamut monitors whose gamuts approach or exceed Adobe RGB. The result is an image that is very unpleasantly over-saturated in the reds and greens. But the issues are not limited to wide-gamut monitors.

At the moment, among all the color-managed browsers, only Firefox not only assumes sRGB for untagged images, but also converts its output using the monitor's profile. Thus, only those using Firefox can be assured of seeing colors as the poster intends.

dPreview can readily solve this problem simply by including the profile in their in-line posted images, which I hope and trust they will do. PLEASE.

For those interested in this issue and checking out the suitability of their own browsers in this regard, see

http://www.gballard.net/psd/srgbforwww.html

and

http://www.gballard.net/photoshop/srgb_wide_gamut.html#

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gollywop

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