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The process of making an image appear natural to the eye, either by changing the lighting or by changing the white balance or tint of an image after the fact.

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4answers
1k views

What do I need to photograph paintings with accurate color? [duplicate]

I need to photograph paintings, and also small details of paintings. Color accuracy is extremely important. Previous experience (not recent, however) with digital photography showed color divergences ...
9
votes
2answers
350 views

How to match colors between pictures?

For an assignment for a photography course I'm following we have to reproduce an existing photo as faithfully as possible. The picture I have chosen is below on the left (partially clipped because it ...
0
votes
1answer
38 views

How to do color correction on multiple display devices?

Each display device renders colors in their own way. E.g. Apple's retina display renders colors in a more vivid way then an LG display device. The photo editor has to deal with this problem. I use my ...
0
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0answers
36 views

How to force xRite ColorChecker passport software detection orientation?

I'm using the xRite ColorChecker Passport for color correction in RAW photos. I like to have the passport by on the main plane of the item being photographed so that the lighting of the reference ...
3
votes
2answers
173 views

Color correcting difficulties… on cloudy days

I own professional photography equipment and I know how to achieve correct exposure. I also use adobe lightroom. I use auto white balance but I am usually pretty good at eyeballing color corrections ...
1
vote
1answer
180 views

What resources exist to learn how to create “good” Custom Canon Picture Styles?

After many years shooting with Canon I have only just realised that you can edit picture styles on your computer using Canon's Picture Style editor tool and then load them into the custom slots on ...
1
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1answer
143 views

How to correct skin tone using Photoshop

How could I correct on Photoshop the skin tone to match the skin tone below? Starting from this overexposed picture:
2
votes
2answers
69 views

What should I do with negative values when computing sRGB colors from spectra?

This question is from the computational side of things. Maybe some of you computational photography folks can help me out. If I have a normalized CIE XYZ tristimulus vector like this one: (x, y, z) ...
6
votes
1answer
464 views

Is there an automated way of color correcting using a color card in Capture One?

With the X-Rite Colorchecker Passport and their accompanying software, it's really simple to generate a DNG profile to get perfectly accurate colors in Lightroom. I want to know if there's a ...
2
votes
1answer
43 views

what is the camera filter used to correct daylight balanced sources to tungsten-balanced film?

what is the camera filter used to correct tungsten light sources for daylight balanced film? what is the camera filter used to correct daylight balanced sources to tungsten-balanced film?
2
votes
1answer
121 views

What causes color imbalance, and how does it relate to chromatic aberration?

I am trying to figure out how color balance and chromatic aberration are different and related. It seems to me chromatic aberration is caused by the lens operating differently on lights of different ...
1
vote
1answer
59 views

Save all color editings as a mapping in Photoshop?

Am I dreaming, or do I recall reading something about being able to "save a color table" or "save color transformations" or somesuch, which has the effect of "canning" all old-to-new colors no matter ...
3
votes
4answers
193 views

Color correction based on known samples (that are not grey)

In Lightroom and other such programs, color temperature for lighting is easy with an eyedropper tool if you have a true neutral in the photo, such as a grey card. For a natural object, it gets you ...
3
votes
2answers
122 views

Does the iPhone do automatic tone/color correction?

When I recently imported photos from iPhone into LR, I noticed that every photo had evenly balanced histogram, so I guess that after you take a picture with iPhone, it is immediately processed and ...
0
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4answers
120 views

How to take a picture of a point light source?

I work in a scientific laboratory and I need to take a picture of a sample that emits low intensity visible light (blue) when an infrared laser (980 nm) is pointed to it. I am using a filter with an ...
5
votes
2answers
613 views

How can I achieve consistent skin tones in my photographs?

I've been shooting more people recently and have noticed that their skin tones are all over the map depending on the lighting situation. Are there any best practices or tips to ensure consistent and ...
0
votes
1answer
138 views

Why do SLRs and DSLRs use different flash gels?

I occasionally use gels to match my flash to ambient lighting. It’s easy to find green gels (CTG) to match fluorescent lights and orange gels (CTO) to match incandescent. However, in my experience, ...
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vote
2answers
420 views

Color issue: studio images have a pink hue

I have a small home studio and use 2 x 250 flash heads, and a white vinyl background. I use a Canon 5D Mk II and generally shoot at 1/125 and f11-13. My problem is my images all have a pink hue to ...
3
votes
1answer
57 views

How to avoid glare problems with insert-your-photo portfolio books?

Right now I am using the Itoya Art Profolio Expo 8.5X11 ("XP-12-8") and have my prints (Kodak Endura Lustre) and tear sheets sitting loose inside. The good thing is that the tear sheets are safe (I ...
0
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3answers
151 views

Is it possible to do non-destructive JPG color correction?

I would like to perform color correction on my photos before printing so that my workflow will create reproducible prints. (i.e. the lab corrects my photos and I print them again later, they may be ...
1
vote
0answers
182 views

Preparing/using a camera color profile using IT8 target on Linux/Darktable

In my photo processing workflow I use Darktable to handle the CR2-to-TIFF/JPEG conversion, however I frequently struggle with getting the colors right. As the first step toward correct colors I am ...
1
vote
2answers
254 views

How to select “white point” before calibrating a monitor with Spyder3 [duplicate]

My Samsung monitor has the following Color Modes Cool 2 Cool 1 Normal Warm 1 Warm 2 With factory settings, the monitor has a minor red tint; if I switch to Cool 1, it looks normal; whites look ...
5
votes
4answers
458 views

What *exactly* is white balance?

When setting a white balance configuration, we adjust the temperature and green-magenta shift to a wavelength-intensity distribution of light that correlates most closely with the actual distribution ...
0
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1answer
119 views

What color corrections are being used here? [duplicate]

Trying this one more time. http://i.imgur.com/TBVIJEE.jpg I like the moody tones and the softness. It seems curves are being used in some way but I'm not sure how. More examples: ...
5
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2answers
391 views

How can I correctly adjust skin color in Photoshop when I have a color vision deficiency?

I have a color weakness. Is there any tool or tools that I can use by using a formula or setting to correct skin color in Photoshop?
3
votes
5answers
625 views

Prevent Yellowing Under High Intensity Discharge Lights

I am photographing plants that are grown in a greenhouse. The plants are grown under High Intensity Discharge Lights, specifically Metal Halide and/or High Pressure Sodium. When I photograph these ...
2
votes
2answers
225 views

Problem in white balancing photographs taken in sun

When a photograph is taken in sun, the whole photograph becomes slightly orange in color. Specially the skin tones become too orange. The photographs are taken from simple mobile phone high megapixel ...
9
votes
4answers
1k views

Why are gels used for digital photography?

What is the purpose of color-adjusting light sources with gels in digital photography? Are they reserved exclusively for scenarios in which one wants different colors from different lights? I assume ...
5
votes
1answer
253 views

Is it possible to “apply” a color profile to an image?

The question title is not very representative but I couldn't think of a better one. I have an image in JPEG format with a color profile embedded into it. If I open that image in a program that ...
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vote
1answer
416 views

Match colors in Lightroom to other editing tools

I noticed that sometimes Lightroom develops a raw image quite differently from my Canon camera or DPP (Digital Photo Professional by Canon). Even if in 90% of the cases I'm happy with Lightroom, in ...
5
votes
4answers
1k views

How do I get a consistent White Balance when shooting different color products?

I've attached an example photo. I can't seem to get the colors to be consistent across shots without struggling to manually tweak each image. What can I do to get a consistent White Balance?
3
votes
1answer
343 views

Human perception in color mixing

Look at this image: 50% of its pixels are blue (0, 0, 255), 50% of its pixels are yellow (255, 255, 0). When I look at my computer display from a distance where I cannot distinguish the ...
4
votes
4answers
199 views

How to calibrate colors from photos for classification purpose (ICC profile)?

For a scientific study, I have to classify pictures of crop canopy in two classes: vegetation / soil. These picture are taken at several places, different times and date. The idea is to use the same ...
0
votes
1answer
59 views

Gimp's color options not working

I'm trying to edit the color balance of a layer in a .xcf image, and none of the color commands do anything. For example, I can crank saturation and value to 0 in Hue-Saturation, or invert values, and ...
6
votes
1answer
136 views

Spectral lines emulation

Is there any way to change the image taken under a sunlight (i.e. full and continuous colour spectrum) to look like taken under a light source with line spectrum (e.g. mercury or sodium street lamp)? ...
5
votes
3answers
3k views

How to configure the camera to capture true colors of ambient light?

I'm an amateur photographer and I have a Nikon D5200 and a ColorChecker Passport. I'm trying to understand what are the procedures that I should take to capture the real true colors that I am seeing. ...
7
votes
6answers
370 views

If shooting in RAW and processing, why still care about WB?

WB is obviously important for JPGs and I'm not referring to JPGs here. I do know this question is related to two others. Sorry, I'm a newbie here and I don't know how to refer to them, but @Craig ...
2
votes
2answers
411 views

How can I remove color cast created by a defective scanner?

I scanned my photo using an HP Scanjet scanner, but scanner CCD sensor has a problem and the result is a scanned image as below: As you can see in the image, there is additional color cast. Is it ...
1
vote
4answers
382 views

How do I get 3 images to match the same colors (is it via color correction?)

I have a set of 3 images and I would like for all of them to have the same color scheme (ie. I think it's via color correction) Essentially I want the gray in each photo to look identical when I look ...
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vote
6answers
432 views

Does the subject's face have too much red tint?

I took the attached picture with an iPhone 4, outside around 5pm, which was close to sunset. Does the subject's face have too much red tint? If yes, how would I fix this?
3
votes
1answer
409 views

Color correction by a reference image, or How to compare images and generate color lookup table?

I have two images A and B, of the same object. A has distorted color, but the color of B is better. I want to correct the color of A with the help of information contained in B. How do I do this? I ...
1
vote
1answer
214 views

What is the color shift between Alien Bees b800 and Elinchrom Rx 600 lights?

I have a shoot coming up at a rental studio where they provide Alien Bees b800(s). To supplement I'm bringing one of my Elinchrom lights for a key. Anyone know what to expect in terms of color shift ...
1
vote
1answer
248 views

Is this effect built in inside Canon 600D?

I watched this video: https://www.youtube.com/watch?v=_yiWPkMRlaI and loved the colors too much. I want to know how can I achieve colors like that in photo or video? Does 600D have that built it or ...
0
votes
2answers
595 views

What is the math behind white-balance, and how to choose it?

Given a bad balanced RGB image (in terms of white balance), how can I choose the proper color balance that needs to be applyed (as a RGB vector where 128,128,128 is the neutral)? Same question for a ...
0
votes
1answer
164 views

What's the best way to remove discolouration of scanned photographs?

I'm got a batch of printed photos which I am scanning to store a digital copy of and possibly enlarge them for printing. I've scanned them at the maximum quality (600DPI) and saved it with the least ...
16
votes
3answers
651 views

How to avoid visual “burnout” during post-processing?

Sometimes I keep on adjusting a photo for longer than is healthy. What follows is that I go somewhat blind to tones and colors. Then, I get oversaturated and dark images. I am new to RAW processing, ...
5
votes
2answers
470 views

Why isn't there a Red/Cyan slider in Color Temperature sliders in photo editing software?

This is in Adobe Camera RAW and in Lightroom, the color temperature sliders are Blue/Yellow and Green/Magenta, why isn't there one for Red/Cyan?
3
votes
6answers
5k views

How to whiten the yellow light of a poorly illuminated picture?

I had some poor lighting during a photo shoot (amateur) and ended up with pictures like the ones below. Is there any easy way in Lightroom to correct and whiten the lights in these kind of pictures? ...
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vote
4answers
561 views

Will LEDs work with a point & shoot camera for light booth digital photography?

I am planning on using multiple strips of LEDs to light up a 2 ft x 2 ft x 2 ft light booth for taking pictures of small items. LED output is Cool White 6500k. Digital camera is low cost 5 megapixel ...
6
votes
2answers
2k views

Why are my tone mapped images turning purple?

As I've been developing a few images into tone mapped images in Photomatix, some of the skies that were blue seem to be turning purple. I'm not quite sure why. I take 3 bracketed RAW images, which ...