Photography

Questions tagged [color-management]

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The process of managing color settings on various viewing/output devices (computer monitors, projectors, printers, etc) so that colors appear the same regardless of how an image is viewed.

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What lens do I need?

I am looking to mimic the below photos to the best of my ability. Hue, the softness of the photo, cool toned, range of view, etc. I have a Sony a7III. I understand editing is done to the photo after ...
DREW
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1 vote
1 answer
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Is there a software which can compare printer color profiles (not only gamma but color mapping)

I have a Canon Pro 10s Photo Printer and recently printed some photos on the Canon Plus Semi-gloss (SG-201) paper using the printer profiles included with the driver (my screen is calibrated using a ...
Bruno
  • 126
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0 answers
34 views

Why am I losing the color profile when GIMP invokes Darktable?

When gimp 2.10.32 opens a raw file using darktable 4.0.1 via the plugins/file-darktable/file-darktable plugin, my image has the color profile assigned to it that I want. (I have a preset for the ...
Gary Aitken
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1 vote
2 answers
92 views

How to highlight an area of this photo by its color?

I have no knowledge at all of image editing and analysis, so I beg your help. I have a photo from which I want to highlight the brownest layer, indicated in the red rectangle. This is important ...
Daniel Valencia C.
  • 113
0 votes
1 answer
50 views

How to calibrate my monitors and colorspaces to to best create a workflow or editing raw photos for uploading and viewing on the web

Question 1: I have bought 2 monitors-4K ADOBE RGB and 4K SRGB. What/how should I set up the monitors' calibrations and color spaces to best edit my raw photos for exporting to the web? Question 2: I ...
Johanna
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2 votes
1 answer
69 views

Can ImageMagick do channel difference and swap?

In emulating Kodak Infrared Ektachrome (EIR) film (a.k.a. Aerochrome) with images from a full-spectrum-modified digital camera, I want to subtract the blue channel from the red and green channel, then ...
Jan Steinman
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1 vote
2 answers
72 views

edge specific color cast removal?

I'm helping to remove background from an image but am finding the edges of the foreground object are experiencing color cast more than other parts of the image. I've tried gimps white balance and it ...
Li Brary
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2 votes
2 answers
63 views

Uneven tint gradient on photo taken on reprostation

I take photos with my Canon 20D on a Kaiser Reprostand of books for publication, lectures or documentation. I get sometimes uneven/gradient lightning, especially when using a white background. When ...
SEJU
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0 answers
103 views

Would spectral responses of camera pixels be more "raw", more compact and superior to ICC/DCP camera color profiles? If not, why not?

Background: I'm trying to understand the function of camera color profiles (for raw output) in terms of the hardware. I have found lots of web sites that explain the function of camera profiles from a ...
Sami Liedes
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1 answer
193 views

How do I ensure that the colours printed more closely align with Relative Intent in Lightroom?

I am in the process of preparing photos for a photobook to be printed with a volume commercial printer (zno.com). I have calibrated my screen, and have received ICC profiles for my printer, and am ...
Topdown
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3 votes
1 answer
276 views

Confused with my monitor Picture Modes

I've recently bought my first "Designer Monitor", Benq PD2500Q (yeah I know it's probably still shit for professionals, but for me it's the first 'better' monitor). I'm very impressed by it ...
DominikK
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1 vote
2 answers
209 views

Adapt to uncalibrated printer

Print centers in my city provide bad quality of photos. I have a printer calibrator. I would like to adapt my photos to uncalibrated printer in print center. I feel process is as this: print color ...
joro
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1 vote
4 answers
378 views

Colors look different after exporting from photoshop even after Calibrating my laptop

I recently calibrated my laptop screen using spyderx pro and created a profile. I am so confused as the colors in photoshop display and of exported image are completely different. The exported image ...
Rjd
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3 answers
104 views

Shift white color of an image?

I took a photo of this stuff with my phone. It is for a Wikipedia article. The stuff is off-white, or more precisely white with orine-ish tint. Instead, I got a photo using my phone where it is light ...
kjsdfkns
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3 votes
1 answer
869 views

How to edit more than 8 bits (10, 16 bits) of color in GIMP?

I've found out GIMP supports 16 bits color editing, e.g. here Can I use 10bit effectively today and if yes how?: Software support for editing in 16- and 32-bit color is good: Photoshop, before the CS ...
Martian2020
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1 answer
77 views

Would really (if so than why) 10bit HEIC get displayed incorrectly on a 8bit monitor?

I wanted to understand more about higher precision color representation (bit-depth). IMO shift from 8 bits to 16 is long overdue, we use 8bit since VGA and now use many times more pixels but same ...
Martian2020
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3 votes
3 answers
167 views

Capturing then printing color-accurate images

I want to take photos of a few surfaces (wood floors, bricks, etc.) then print them, matching the colors of the actual object (in whatever the lighting conditions are at the moment) as closely as I am ...
Jason C
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1 answer
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What are these focal lengths for Sigma Nikon Optimization Pro for 14-70mm F2.8 OS HSM A017?

I've been calibrating my Sigma lenses using the Sigma Optimization Pro application and the doc hub, for instance, the 24-70mm F2.8 DG OS HSM A017 Nikon version. In order to do so, I take photos at ...
foamroll
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2 answers
444 views

why my image (exported as sRGB, 8bit) looks color washed and pixeled after instagram upload

I uploaded this images on Instagram using color space sRGB, 8 bit (as recommended) . Size: long edge: 2160 px. The original images wasn't this color pixaleted (notice faint magenta bar running from ...
pixhibit.samco
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1 vote
2 answers
143 views

DigiKam vs. LibRaw command Output Discrepancy

Recently I have stumbled upon digiKam software which internally uses LibRaw library as a raw conversion engine. I have tried to convert one of the images I have using digiKam with all conversion ...
wisdom
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1 vote
1 answer
198 views

How can I compare histograms between a digital image and it’s print

I want to compare color histograms between a digital photo and its physically printed in cloth (like a T-shirt) version. The process is simple: Printing a digital image (with good resolution) in a T-...
Pablo Carneiro Elias
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1 vote
1 answer
613 views

How to emulate sRGB on wider gamut or buy only sRGB monitor?

My Dell U2520D display shows magenta cast on a standard mode on both windows and mac. I think I am aware now that even if I use RGB ICC profile with this wider gamut display it will still look ...
IndianUser1993
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1 vote
1 answer
150 views

Why does a green product that's been color corrected (with color checker passport) look blue and how do I fix it?

I'm a freelancer hired to edit product photos. The company mailed the products to me so that I can ensure that the color of the products match what they look like in real life. I do have some ...
Jeremy McCloud
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1 vote
0 answers
144 views

Why is the contrast calculated in i1Profiler so low?

I just received a Dell S3221QS 32" Monitor with a VA panel. I used i1 Display Pro and i1Profiler 3.x to calibrate the monitor. At the end the calculated contrast ratio is just 256:1, which is ...
FarO
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1 vote
1 answer
593 views

What Conversion Engine works best in Photoshop? ACE or ICM

Adobe ACE v Microsoft ICM: Bakeoff Adobe's Windows Photoshop offers two conversion engines for converting colors. These are used when converting between different RGB colorspaces as well as doing ...
doug
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8 votes
2 answers
1k views

Pictures uploaded to Facebook display wrong colors, but only in Firefox

I've noticed on several occasions that the colors of my photos are slightly off when uploaded to Facebook. But I noticed this apparently is only in Firefox. Take this photo, for example: https://www....
Pete
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2 votes
3 answers
1k views

Converting from sRGB to ProPhoto & vice versa on Photoshop (with a 120% sRGB screen)

This is just academic: I want to find a cyclical way to convert from sRGB to ProPhoto and vice-versa on Photoshop. I notice that no matter that the images from Is Your Browser Color-Managed? looks ...
Fredy Andres Rosero Cristancho
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1 vote
3 answers
271 views

How to use my display calibration settings with photoshop

I have a problem if I use my DisplayCal profile with photoshop, and save an image like a png or jpg the image turns out darker when I view it in another program but looks fine in photoshop before I ...
hydrix85
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3 votes
3 answers
280 views

Effect of assigning an ICC color profile at different stages

What is the difference between applying/assigning an ICC color profile to an image for color correction During opening and processing the raw image in some studio software (e.g. Lightroom, CaptureOne)...
wisdom
  • 151
-1 votes
1 answer
113 views

How to create custom reference data for ColorChecker Charts using X-Rite ColorChecker Camera Calibration?

I am using ColorChecker Camera Calibration v2.0 in combination with Colorchecker Digital SG achieving the most colourimetric accurate colours. At the moment the software is using the values given by ...
G M
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1 vote
1 answer
281 views

Why do preview images in camera LCDs, phone screens, and editing applications appear darker, or with more saturated colors? [duplicate]

For many years now, I've noticed that cameras of different sorts and image editing program display a preview image of different colors from the final image, while it's loading the final image. I've ...
user151841
  • 770
1 vote
1 answer
219 views

Color profiles in export as and automated batch export are different

Issue I'm trying to export images in batch with a color profile but they aren't exporting with the same color profiles. While this looks OK in most places on Instagram for example the colors are ...
Ciarra Godson
  • 11
2 votes
3 answers
197 views

Color Calibrating - the display? or the output? Key Basic Issues - help!

I have the Xrite i1Profiler and there are several things I need to understand. 1.) Calibration seems to mean running the software and creating a profile. The profile seems to be located on the ...
Wombat Pete
  • 493
1 vote
1 answer
132 views

ICC Calibration (Profile) for more bright black on LED screen

I have an IPS LED screen and I don't like its black because it is very dark. I know it's a bit strange (is it?) but I want the black to be more bright (that means grey) without white becoming darker. ...
Hansebenger
  • 21
1 vote
2 answers
244 views

Profiling a scanner: What does the Media White Point stand for in an ICC profile?

I want to profile my scanner using an IT8.7/2 chart. Analyzing the ICC profile I generated it shows that the Media White Point is close to D65 illuminant (6501K). What does this mean? Does it mean ...
Lee1010
  • 11
2 votes
1 answer
80 views

Why don't the values given by Argyll's scanin match what I see in darktable or Gimp

I'm trying to do a variation of the color profiling flow given in this post about color profiling I take an image of a Wolf Faust it8 target, turn off a bunch of the default processing that darktable ...
mmccoo
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5 votes
2 answers
2k views

6500k calibrated monittor - what are the RGB values to represent a given monochromatic radiation of known wavelength?

Say I've calibrated a monitor to the standard 6500k 2.2 gamma, and the color space is sRGB. On this monitor, I would like to have a reasonably accurate representation of a monochromatic radiation (...
Florin Andrei
  • 325
3 votes
3 answers
201 views

Can't get the right colors when shooting art. Looks pale even with ColorChecker Passport

I am trying to shoot my art, and colors seem off, more specifically pale. I am aware I can adjust settings manually since I shoot in RAW, but I feel like if I get exposure and white balance and ...
mgPePe
  • 131
5 votes
0 answers
500 views

Differences between DCP and ICC profiles?

I am trying to understand what is the best colour profile that I can generate from a ColorChecker for calibrating my camera. I always used ICC colour profile standard but now I saw also DCP colour ...
G M
  • 413
1 vote
2 answers
520 views

Where can I find color data for X-Rite ColorChecker Classic?

I would like to use the grey patches row of my X-Rite ColorChecker Classic to set correct exposure in post processing, but I can't seem to find the data for the chart on X-Rite website or elsewhere. ...
Skippy le Grand Gourou
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1 vote
1 answer
246 views

Look Up Tables in Colour Science

I am looking into the colour science regarding lookup tables, and their application to images. I am trying to find out what the values within the LUT actually represent. LUT_3D_SIZE 33 0.000000 0....
hdcdigi
  • 13
2 votes
2 answers
612 views

Should I adjust the settings of a monitor before calibration?

I have previously only used the build-in monitors of my MacBook or iMac, which I have calibrated with a ColorMunki Display. They only had one parameter, brightness, for which the calibration software ...
Pete
  • 3,282
4 votes
3 answers
152 views

color spaces and monitors

What happens when retouch an AdobeRGB image in a monitor that only displays sRGB? I normally work on AdobeRGB mode and on a monitor that displays this color space. However, I am going to be using an ...
Martha
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1 vote
0 answers
55 views

The proper use of RezChecker color

I am not sure how much my question is relavent to this forum but I guess it must be the right place. Basically my question to you is, if you have any prior knowledge about color checkers and color ...
wisdom
  • 151
5 votes
1 answer
206 views

How can I get both monitors to look the same?

I have used Acer V247Ybip for about a year and decided to buy Acer V247bi to use for second monitor, which is basically the same monitor, but without the Display Port. The problem is that basically ...
Veliko Kosev
  • 153
4 votes
1 answer
716 views

How to use X-Rite ColorChecker with Sony a7R IV?

I purchased an X-Rite ColorChecker to attempt to get better white balance for my camera (a7R IV). My first attempt at using it has yielded wildly questionable results. Process below. All files ...
The111
  • 205
1 vote
3 answers
5k views

Why the photos edited on lightroom desktop looks different in mobile phone?

I am using Adobe Lightroom CC to edit photos on my computer. When I edit them on computer and export them it looks good on my computer. But, when I copy same images on mobile device then they looks ...
Ganesh Sanap
  • 115
4 votes
2 answers
1k views

Image colour inconsistency between browsers, image viewers, and Photoshop

Edited in case the question wasn't clear: Question: How do I get Photoshop, IrfanView and ACDSee to display images the same as they are displayed in the latest versions of Chrome and Firefox (both of ...
Ned Martin
  • 141
0 votes
1 answer
862 views

Windows 10 v1909 Loads Laptop Monitor's ICC Profile For External Monitor

I have a brand new Sager NP6855 Windows 10 Pro v1909 laptop with an Intel i7-9750H CPU that has integrated Intel UHD 630 Graphics. An external Viewsoinic 1920 x 1080 monitor is connected via HDMI to ...
Bill Vallance
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6 votes
5 answers
2k views

Level adjusting images to hide internal features/detailing

For any given image, adjusting its levels to increase contrast as in images below, a lot of internal details get darkened and are not noticeable, like the texture of the tree on right, etc. However ...
97f8sa797vhaa
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