Shadowy Daisy

Shadowy Daisy
by damned-truths

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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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6
votes
1answer
100 views

Correcting severe cyan colour cast

I am attempting to retrieve extremely strangely colour cast photos for some friends. These are from an overseas trip and they would value their availability in something like correct colours. The ...
3
votes
1answer
103 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 ...
2
votes
1answer
491 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 ...
4
votes
1answer
134 views

What are the differences between color calibration cards?

The lower level ColorChecker Classic is around $59 USD, Datacolor Spyder comparable one is also around $50... meanwhile there's some DKG Tools for only $25. Current on B&H: DKG Color Spyder 24 ...
0
votes
2answers
82 views

Taking pictures of rugs for online use

I work for a rug manufacturer in the same office as the photographers for our online sales. They take all photos of rugs in house. They have a tremendous amount of post processing that has to be done ...
1
vote
2answers
212 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, ...
1
vote
3answers
97 views

Any way of achieving accurate color saturation?

There have been multiple times when capturing a landscape where the images I took look really unsaturated. Yeah, I can boost the saturation, but I don't want to accidentally make the photo look ...
0
votes
2answers
149 views

Capturing vibrant colors on a bright, sunny day

Recently I was on a vacation trip at Phi Phi Island with my Nikon D5300 and a simplistic 18-55 NIKKOR kit lens. I was sailing on a cruise. It was a bright, in fact very bright, sun outside. On a boat, ...
1
vote
0answers
228 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 ...
5
votes
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
479 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
53 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
votes
0answers
44 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
259 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
164 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:
7
votes
1answer
931 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 ...
1
vote
1answer
250 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 ...
2
votes
2answers
98 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) ...
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. ...
0
votes
3answers
201 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 ...
7
votes
5answers
2k views

How to gel a large softbox to match ambient?

I'm searching suggestions to quickly and easily add a gel to color correct light from a giant softbox to match ambient. In my application I'm using a CTO for tungsten ambient. The equipment I'm ...
2
votes
1answer
48 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
130 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
76 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
238 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
142 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 ...
5
votes
2answers
468 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?
0
votes
4answers
130 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 ...
6
votes
2answers
848 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 ...
1
vote
2answers
540 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 ...
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 ...
1
vote
2answers
346 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 ...
6
votes
4answers
491 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
votes
1answer
123 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: http://...
21
votes
2answers
4k views

How do I use gels to make my flash match the color of the ambient light?

When using fill flash to supplement ambient light, how do you determine the flash color that will match the ambient light?
2
votes
2answers
237 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 ...
3
votes
5answers
773 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 ...
26
votes
4answers
1k views

What are Color Profiles and where would I find information on using them properly?

I see the term "Color Profile" a lot and I have this vague idea that it helps you adjust color values based on the unique differences of both cameras, displays and printers from some ideal device. ...
9
votes
4answers
2k 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 ...
17
votes
6answers
14k views

How do I make picture from my Canon Rebel more dramatic and colourful, via camera settings if possible?

I have just started clicking with my new Canon DSLR camera and while I'm getting used to its functions and settings, I was intending to get the colours more vibrant while clicking my pictures. Any ...
0
votes
4answers
21k views

What is the best free software to edit NEF photos? [duplicate]

I'm new to photography and just starting to take photo in RAW format. I haven't found a difference in quality of color adjustment editing between ViewNX (free software coming with my Nikon d5100) and ...
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 doesn'...
8
votes
5answers
1k views

How can I edit pictures of people that have vitiligo?

It's a question about photo editing : What would be a trick to reduce the visibility of the white stains of the skin due to "vitiligo" (Vitiligo is a strange illness(?) that make the skin been totally ...
5
votes
4answers
2k 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
419 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
215 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 ...
8
votes
4answers
15k views

Does Gimp have a Match Color function similar to that in Adobe Photoshop?

In a recent question, Steve Ross points out that Adobe Photoshop has a useful feature for matching color between photographs. Of course, color adjustment can be accomplished in Gimp with careful use ...
0
votes
1answer
69 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)? ...
7
votes
6answers
376 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 ...