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FORUMS Post Processing, Marketing & Presenting Photos RAW, Post Processing & Printing 
Thread started 05 Nov 2008 (Wednesday) 09:55
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Need your help to make some screenshots....

 
cfcRebel
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Nov 05, 2008 09:55 |  #1

...if you have a calibrated monitor and don't mind helping, of course. I have two jpegs (from the same RAW), both in sRGB color space. One looks right in my Photoshop but looks wacky in non-cm app like internet explorer. The second jpeg I manually removed the bad color cast and want to see if it looks over-corrected on a CM app.

Here's what you can help:
1. Load jpeg-1 in your photoshop and also open it in a non-CM app like Internet Explorer. Move them side by side and do a screenshot (press PrintScreen button for windows).

2. Basically same as step #1 but this time load jpeg-2. Put Photoshop and IE side by side and make another screenshot.

3. Post both screenshots here.

If you are willing to help, pm me your email and I will send you the two jpegs. I sincerely thank you in advance.

Fee


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tim
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Nov 05, 2008 14:55 |  #2

Put the jpegs on a web server and link to them. I'm not on a color managed PC right now, will be later.


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cfcRebel
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Nov 05, 2008 15:33 |  #3

tim wrote in post #6629939 (external link)
Put the jpegs on a web server and link to them. I'm not on a color managed PC right now, will be later.

Good idea Tim but i currently don't have a web hosting provider that i can put these jpegs. I suppose I can upload them to Flickr but afraid Flickr strips the ICC profile or mess them up in other way for this test.
I promise I won't spam you with junk mails. :lol:


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Wilt
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Nov 05, 2008 15:50 |  #4

OK, first photo shows jpeg1 displayed with Photoshop LE, and jpeg2 displayed with Paintshop Pro X...

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'image/gif' | Byte size: ZERO



The second photo shows the same two images, both displayed with Paintshop Pro X

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'image/gif' | Byte size: ZERO



What did we just prove?

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cfcRebel
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Nov 05, 2008 15:58 |  #5

Wilt, Paintshop Pro X is color-managed, correct?
I want to see jpeg-1 in a CM app and in a non-CM app, side by side. Then jpeg-2 in a CM app and in a non-CM app, again side by side. I apologize if I confused you earlier. So, in your setup, can you load jpeg-1 in Photoshop LE and in IE and put them side by side? Then also do the same for jpeg-2.


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René ­ Damkot
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Nov 05, 2008 16:24 |  #6

The first image ("convert to sRGB") doesn't have an embedded profile, so I assigned sRGB in PSCS2.

This screenshot is taken on my PowerBook, OSX, in PSCS2 converted to sRGB, so should display well in Safari and FF3.


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I'll do the same on my desktop shortly.

Edit:
Desktop, with calibrated LaCie CRT:

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From the correction you did to get the edited image in a non CM application close to the version you saw in PS, I'd say your screen isn't too far off from my laptop...

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Wilt
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Nov 05, 2008 17:54 |  #7

cfcRebel wrote in post #6630301 (external link)
Wilt, Paintshop Pro X is color-managed, correct?
I want to see jpeg-1 in a CM app and in a non-CM app, side by side. Then jpeg-2 in a CM app and in a non-CM app, again side by side. I apologize if I confused you earlier. So, in your setup, can you load jpeg-1 in Photoshop LE and in IE and put them side by side? Then also do the same for jpeg-2.

Paintshop Pro may have ability to color manage, but I can assure you that the computer and monitor that I used has never had color management performed with it!

But I'll run the comparison you just spec'd...jpeg-1 in Photoshop vs. jpeg-1 in Windows viewer; same comparison for jpeg-2


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Wilt
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Nov 05, 2008 18:06 |  #8

Here is jpeg-1 photo comparison, in Photoshop above, in Windows view bottom

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'image/gif' | Byte size: ZERO


Here is jpeg-2 photo comparison, in Photoshop above, in Windows view bottom

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'image/gif' | Byte size: ZERO

You need to give me OK to edit your image and repost! Keep POTN alive and well with member support https://photography-on-the.net/forum/donate.p​hp
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cfcRebel
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Nov 05, 2008 19:13 |  #9

René Damkot wrote in post #6630441 (external link)
From the correction you did to get the edited image in a non CM application close to the version you saw in PS, I'd say your screen isn't too far off from my laptop...

You are right, Rene. It seems the result I saw on my LCD is very similar to your laptop result. Jpeg-1 looks very different between CM and non-CM apps.
On your LaCie screen, the corrected version (jpeg-2) does not look over-corrected like it appears in your laptop. The significance of the difference between two screens is quite surprising to me.

Thank you very....very much for the help, Rene.


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cfcRebel
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Nov 05, 2008 19:20 |  #10

Wilt wrote in post #6631033 (external link)
Here is jpeg-1 photo comparison, in Photoshop above, in Windows view bottom

Here is jpeg-2 photo comparison, in Photoshop above, in Windows view bottom

Wilt, your result is very similar to Rene's desktop result. That clarifies things up for me. Average quality LCD (although calibrated) will show significant difference in colors between CM and non-CM apps when everything is in sRGB. Same setup, high quality LCD will show less difference. And my LCD is below average :oops:. ******sighhhhhh*******

Again, thanks a million for helping.


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René ­ Damkot
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Nov 06, 2008 14:28 |  #11

cfcRebel wrote in post #6631434 (external link)
On your LaCie screen, the corrected version (jpeg-2) does not look over-corrected like it appears in your laptop. The significance of the difference between two screens is quite surprising to me.

Are we looking at the same versions? ;)
The way I see it:

(Very roughly): The edited jpg looks about the same in a non color managed program on my laptop then the original in a color managed application on whatever machine.
The original also looks okay-ish on my CRT in a not color managed application (Since the CRT is relatively close to sRGB)

The edited version looks way off in a color managed application on whatever machine, and also quite a bit off in a non color managed application on my CRT... It only looks good in a non CM application on my Powerbook.

Okay: The next screenshot is not color managed, so ignore the colors here.
It's only to clarify how I see the colors (in a color managed browser, or (identical) at the time I made the screenshots):

IMAGE: http://img.skitch.com/20081106-cb8eskbmg344meiykeqci2tjcc.jpg

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cfcRebel
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Nov 06, 2008 15:38 |  #12

Ok, I think it's easier to label them 1, 2, 3....7, 8. :D

The screenshot you posted (not the last one), from my screen #4, #8 are very close to #1. #6 is just tad more saturated than #1 but also close. #5 and #7 are close to #3. Am I not seeing what I am supposed to see? I thought doing screenshot (as opposed to attach directly) is less prone to profile/color shift......no? :(


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Wilt
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Nov 06, 2008 16:18 |  #13

Perplexing...what I see from René's assessment is that sometimes color managed is good but other times it is BAD. And sometimes the non-color managed is bad and other times it is GOOD. In other words, total chaotic inconsistency!


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René ­ Damkot
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Nov 06, 2008 16:27 |  #14

All color managed originals (#1 and 5) are good (identical) (duh)
Not color managed edit on Laptop (4) is close, as is non color managed original on CRT (7).
Non color managed original on the laptop is a bit bland (3)
Edits on the CRT, and in PS on the laptop (2&6 mainly, 8 as well) have purple water.

Screenshots are color managed on OSX: They come with the display profile embedded. I converted to sRGB in the first screenshots I posted.

The last screenshot should also have my laptops display profile, but it isn't embedded, because Skitch doesn't color managed. It should look fairly okay on a non color managed application on your screen (assuming it's close to my laptop screen) and my on my PB it looks identical in Safari or FF2 (first assumes monitor profile if nothing's embedded, latter isn't color managed)

Not sure on Windows, but easy (for you) to check: I'd guess that the screenshot isn't color managed, but if you open it in PS, and *assign* monitor profile, it should look identical to the screen you captured. If that's so, you can convert to sRGB for posting on the web.

Quite a lot of goofing around with profiles though ;)


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René ­ Damkot
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Nov 06, 2008 16:29 |  #15

Wilt wrote in post #6637236 (external link)
Perplexing...what I see from René's assessment is that sometimes color managed is good but other times it is BAD. And sometimes the non-color managed is bad and other times it is GOOD. In other words, total chaotic inconsistency!

Color managed is *always* good. The image varies.

Original image is good (more or less) in 3 out of 4
Edited image (to get non color managed close to color managed original) is good (more or less) in 1 out of 4 cases.

Should give of a certain hint ;)


"I think the idea of art kills creativity" - Douglas Adams
Why Color Management.
Color Problems? Click here.
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Get Colormanaged (external link)
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PERSONAL MESSAGING REGARDING SELLING OR BUYING ITEMS WITH MEMBERS WHO HAVE NO POSTS IN FORUMS AND/OR WHO YOU DO NOT KNOW FROM FORUMS IS HEREBY DECLARED STRICTLY STUPID AND YOU WILL GET BURNED.

  
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