Creating vivid jpgs for web usage out of high quality tif

MP
Posted By
Markus Proske
Jun 8, 2006
Views
382
Replies
2
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Closed
Hi,

I am experiencing severe problems on creating usable jpgs out of my pictures. My Production chain: EOS 20D, Adobe Brigde (crop, sharpen, sometimes some modifications, RAW Conversion into Photoshop CS2). Mac.

In Photoshop, I have a high qualitiy tif with vivid colors, both in Adobe RGB and sRBG. Creating jpg (without embedded profile as browsers do not use it, max. quality) and png out of those, the results are not as expected.

http://ti.tuwien.ac.at/test

The jpg out of the Adobe-tif is extremly bad, I loose a lot of color information. png is slightly better.

The jpg out of the sRGB-tif as well as the png are usable but still not that vivid (look at her hair…)

Summarized: I am looking for the qualitiy (in respect to color) provided by the tif for usage as jpg in common web browsers. Mission impossible or my fault? Thank you very much in advance for any hints!

Liebe Grüße
-Markus
Related Tags
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BH
Bill Hilton
Jun 8, 2006
Markus Proske wrote:

I am experiencing severe problems on creating usable jpgs out of my pictures.
In Photoshop, I have a high qualitiy tif with vivid colors, both in Adobe RGB and sRBG. Creating jpg (without embedded profile as browsers do not use it, max. quality) and png out of those, the results are not as expected.

The jpg out of the Adobe-tif is extremly bad, I loose a lot of color information.

This occurs with saturated colors in wide gamut workspaces because the RGB values are interpreted without the ICC profile info so they look dull. You avoid this by converting to sRGB first since the gamut of sRGB more closely matches uncalibrated monitors … look at these three jpegs of the same RAW file converted into three working spaces and then to jpegs … in Photoshop all three look alike but as jpegs viewed in a browser without profile info the saturated colors look crappy in ProPhoto, a bit less crappy in AdobeRGB and OK in sRGB … http://members.aol.com/bhilton665/hilton_prophoto.jpg
http://members.aol.com/bhilton665/hilton_adobergb.jpg
http://members.aol.com/bhilton665/hilton_srgb.jpg

The jpg out of the sRGB-tif as well as the png are usable but still not that vivid (look at her hair…)

Could be one of two things … possibly your monitor ICC profile is not accurate so even an sRGB file will look different … disable the monitor profile in Photoshop temporarily to see if the sRGB image changes colors … the other possibility is that sometimes even in sRGB there are colors that look ‘different’ when viewed without the profile and what you can do here is open two windows in Photoshop, one with the ‘good’ file and one viewed in conditions that show the problem (monitor profile and ICC profile disabled) and add an adjustment layer set to the problem image to try to match it to the ‘good’ one. This is a waste of time if your monitor profile is bad to begin with though.

Summarized: I am looking for the qualitiy (in respect to color) provided by the tif for usage as jpg in common web browsers. Mission impossible or my fault?

For the vast majority of images most people can do this by converting the original to sRGB first. You should be able to preview this using ‘save for web’. Typically there aren’t many exceptions but if you run across them try the adjustment layer set trick.

Bill
K
KatWoman
Jun 8, 2006
"Markus Proske" wrote in message
Hi,

I am experiencing severe problems on creating usable jpgs out of my pictures. My Production chain: EOS 20D, Adobe Brigde (crop, sharpen, sometimes some modifications, RAW Conversion into Photoshop CS2). Mac.
In Photoshop, I have a high qualitiy tif with vivid colors, both in Adobe RGB and sRBG. Creating jpg (without embedded profile as browsers do not use it, max. quality) and png out of those, the results are not as expected.

http://ti.tuwien.ac.at/test

The jpg out of the Adobe-tif is extremly bad, I loose a lot of color information. png is slightly better.

The jpg out of the sRGB-tif as well as the png are usable but still not that vivid (look at her hair…)

Summarized: I am looking for the qualitiy (in respect to color) provided by the tif for usage as jpg in common web browsers. Mission impossible or my fault? Thank you very much in advance for any hints!

Liebe Gr

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