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#21
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ICC profile for a light box
On 7/31/2018 9:01 AM, Savageduck wrote:
On Jul 31, 2018, dale wrote (in article ): On 7/30/2018 9:57 PM, nospam wrote: In , wrote: might be a nice feature for Lightroom ... compatible with some measurement instruments ... and data like viewing angle, white point, etc. lightroom has been fully colour managed since day one. there is a difference between managing color and managing appearance, look up CIECAM02 on wikipedia viewing environment like a light room is one variable in appearance What exactly do you believe is a *light room*? a viewing environment a lab makes an agreement with its customer's as to how their final product will look in their viewing environment yes, this can can be a monitor setup, that involves viewing angle and other "appearance" facts other than just "color" could be a lightbox too ... a monitor environment is a soft proof a prepress proof in a light box is a hard proof etc. Understand that any viewing environment is going to be influenced by amient light, regardless of the specific light source be it day light, or any type of artificial lighting. not to be over-complicated, but why would CIE come up with CIECAM97 and CIECAM02 if they didn't think environmental factors influencing appearance in a worthwhile workflow Windows Vista did CIECAM(date?) did you look up CIECAM02 in wikipedia? What is your specific, or special purpose/interest for needing this specific icc profile for a *light room* (not LR the app)? managing appearance It doesn’t sound as though you have any interest in color management for photography post processing. color is just a part of color appearance there are other factors outside the realm of CIECAM that influence appearance, like interimage ... one interimage factor involves composition of the photo, another is user "look and feel" preference other than accurate reproduction ... "look and feel" can be handled in ICC "abstract" profiles consumers prefer bluer blue skies than they really are, and greener grass ... professional customers have their own preferences too I think ICC considers CIECAM02 You think? not an expert at it, should have displayed more confidence since I know some of it CIECAM02 is a color model. it is a color "appearance" model Perhaps looking at the entire Datacolor, and/or X-Rite Pantone sites might provide some information regarding color management outside the realm of photography. Some how I don’t believe that anything us photographers say is going to satisfy you. https://www.datacolor.com https://www.xrite.com I am familiar with a little more than the basics of instrumental/absolute color management ... the name of the product "Lightroom" reminded me of light boxes and viewing environment setups used for soft/hard proofing in prepress ... and film/paper design for pro-sumers absolute color management might be a good enough workflow, I was interested to see how relative color management ... appearance models ... have progressed in the professional markets .... -- dale - https://www.dalekelly.org/ Not a professional opinion unless specified. |
#22
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ICC profile for a light box
In article , dale
wrote: I am familiar with a little more than the basics of instrumental/absolute color management ... too bad you don't understand any of it. |
#23
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ICC profile for a light box
On 7/31/2018 10:06 AM, nospam wrote:
In article , dale wrote: I am familiar with a little more than the basics of instrumental/absolute color management ... too bad you don't understand any of it. at worst I'm not up to date -- dale - https://www.dalekelly.org/ Not a professional opinion unless specified. |
#24
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ICC profile for a light box
On 7/31/2018 9:58 AM, dale wrote:
CIECAM02 is a color model. it is a color "appearance" model a model is not an application, I would apply CIECAM with an LMS profile connection space, that way you could have viewing/appearance "relevant" conditions in/out of LMS from XYZ, uvL, CIELAB, etc. then through an "absolute" profiles to/from images in the viewing environments -- dale - https://www.dalekelly.org/ Not a professional opinion unless specified. |
#25
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ICC profile for a light box
On Jul 31, 2018, dale wrote
(in article ): On 7/31/2018 9:58 AM, dale wrote: CIECAM02 is a color model. it is a color "appearance" model a model is not an application, I would apply CIECAM with an LMS profile connection space, that way you could have viewing/appearance "relevant" conditions in/out of LMS from XYZ, uvL, CIELAB, etc. then through an "absolute" profiles to/from images in the viewing environments I am still curious as to your particular need for all this exploration into profiles. I know that I maintain a color managed workflow starting with a calibrated display, and camera/lens profiles. That gets extended into printing where I use paper/printer specific icc profiles together with soft proofing to get the best print results I can produce. I still have no idea if you are a photographer struggling with a workflow, a designer working with fabrics, an advertising exec, or somebody in the print industry. -- Regards, Savageduck |
#26
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ICC profile for a light box
On 7/31/2018 10:46 AM, Savageduck wrote:
On Jul 31, 2018, dale wrote (in article ): On 7/31/2018 9:58 AM, dale wrote: CIECAM02 is a color model. it is a color "appearance" model a model is not an application, I would apply CIECAM with an LMS profile connection space, that way you could have viewing/appearance "relevant" conditions in/out of LMS from XYZ, uvL, CIELAB, etc. then through an "absolute" profiles to/from images in the viewing environments I am still curious as to your particular need for all this exploration into profiles. I know that I maintain a color managed workflow starting with a calibrated display, and camera/lens profiles. That gets extended into printing where I use paper/printer specific icc profiles together with soft proofing to get the best print results I can produce. I still have no idea if you are a photographer struggling with a workflow, a designer working with fabrics, an advertising exec, or somebody in the print industry. used to do development of these types of systems, over 20 years ago, and now like to see where they are at, I keep up a resume just in case something comes up, it is under "images" on the website in my signature -- dale - https://www.dalekelly.org/ Not a professional opinion unless specified. |
#27
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ICC profile for a light box
On Tue, 31 Jul 2018 06:01:58 -0700, Savageduck
wrote: On Jul 31, 2018, dale wrote (in article ): On 7/30/2018 9:57 PM, nospam wrote: In , wrote: might be a nice feature for Lightroom ... compatible with some measurement instruments ... and data like viewing angle, white point, etc. lightroom has been fully colour managed since day one. there is a difference between managing color and managing appearance, look up CIECAM02 on wikipedia viewing environment like a light room is one variable in appearance What exactly do you believe is a *light room*? Understand that any viewing environment is going to be influenced by amient light, regardless of the specific light source be it day light, or any type of artificial lighting. What is your specific, or special purpose/interest for needing this specific icc profile for a *light room* (not LR the app)? It doesn’t sound as though you have any interest in color management for photography post processing. My impression is quite the contrary. Why else do you need color management if it is to enable the management and control of the appearance of the finished print? The process starts with the object, continues through the camera, the processing in computer (which includes the screen or monitor), on through the printer and paper and surely (and this is the subject of the OP's original post) includes the viewing environment. I think ICC considers CIECAM02 You think? CIECAM02 is a color model. Perhaps looking at the entire Datacolor, and/or X-Rite Pantone sites might provide some information regarding color management outside the realm of photography. Some how I don’t believe that anything us photographers say is going to satisfy you. https://www.datacolor.com https://www.xrite.com -- Regards, Eric Stevens |
#28
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ICC profile for a light box
On Mon, 30 Jul 2018 21:31:12 -0400, nospam
wrote: In article , dale wrote: I was wondering if there is a software/instrument to make a profile for a viewing environment like a light box. there is. does Adobe "Light Room" do it? A Light room is a viewing environment ... lightroom (no space), and no. you need a hardware puck and associated software. Hmmm. You (and a few others) don't seem to know where the name 'Lightroom' came from. -- Regards, Eric Stevens |
#29
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ICC profile for a light box
On 7/31/2018 11:59 AM, dale wrote:
I keep up a resume just in case something comes up, it is under "images" on the website in my signature just updated it to reflect some honors societies and certificate numbers ... might change it again to reflect I have some computer systems and programing I picked up along the way and I have used to date -- dale - https://www.dalekelly.org/ Not a professional opinion unless specified. |
#30
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ICC profile for a light box
In article , Eric Stevens
wrote: I was wondering if there is a software/instrument to make a profile for a viewing environment like a light box. there is. does Adobe "Light Room" do it? A Light room is a viewing environment ... lightroom (no space), and no. you need a hardware puck and associated software. Hmmm. You (and a few others) don't seem to know where the name 'Lightroom' came from. i know quite well where it came from. |
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