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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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2
votes
3answers
26 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
22 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
91 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)? ...
2
votes
2answers
159 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. ...
6
votes
6answers
279 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
93 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
96 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 ...
0
votes
6answers
126 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?
2
votes
1answer
87 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
91 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 ...
0
votes
1answer
175 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
170 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
87 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 ...
13
votes
3answers
419 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
212 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
576 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? ...
1
vote
4answers
197 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 ...
4
votes
1answer
514 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 ...
2
votes
3answers
370 views

How do I judge correct White Balance?

Which photo has the more correct White Balance? For me the second is much better than the first. My understanding is that the R+G+B histogram needs to be as balanced as possible. Is this true, or does ...
3
votes
1answer
172 views

What causes color cast in general?

What are the primary reasons for color cast? Can the (quality or lack of quality) of a lens cause color cast? Finally, does custom white balance solve all color casting issue?
5
votes
2answers
2k views

How to change background and maintain realistic effect?

I have like 30 different photos to process like this, but I want to know key things to maintain realistic photo by changing it's background, or maybe just modify background so it would be more ...
8
votes
3answers
327 views

How did Matt Grum color correct the images in “Why is the Fluorescent filter for a flash green?”?

I saw in another question - "Why is the Fluorescent filter for a flash green?" - that Matt Grum had amazingly color corrected two images and would love to know how. Of course, all are invited to ...
1
vote
1answer
199 views

Skin tones become yellower/ oranger when flash is on

When I take pictures of people, the yellow and red tones seem to be enhanced and the result is a more jaundiced complexion in best case scenario and orange and a bit shiny if their skin is a bit oily. ...
5
votes
4answers
3k views

Can I batch process Nikon RAW (.nef) files to make them look like the camera's jpg compression?

I normally shoot my D80 in JPG mode, because I like the way the JPGs end up looking, and I have had a hard time manually processing the .nef files to look as nice to my eye. Sometimes the image ...
3
votes
6answers
1k views

How do I correct a photo with too much blue?

I'm pretty much a beginner photographer. I just point and shoot with auto settings and I have no idea how to tweak photos with photo editing software. I took a photo which can be found here: The ...
14
votes
9answers
2k views

How can I make the sky in this photo more vibrant?

I spent an evening walking around and shooting with my relatively new Nikon D7000 and I ended up not liking most any of the photos I took.. Let's take this one for example: The sky was blue and ...
6
votes
2answers
4k views

What are the RGB values that correctly represent a 5800 K white surface on a calibrated 6500 K monitor?

Consider a high-quality monitor calibrated at the standard parameters: 6500 K, 2.2 gamma, 120 cd/m^2. Calibration is accomplished with a LaCie hardware sensor + its software, and it's quite accurate. ...
6
votes
1answer
147 views

Setting up automatic color correction

I am editing a batch of pictures in which many of them have a color cast. What is the best method to generate the correct color balance for all the pictures without spending a lot of time editing each ...
1
vote
1answer
2k views

What is the best free software to edit NEF photos?

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
171 views

Calibrating monitor for editing photos for publishing on web [duplicate]

Possible Duplicate: What software shows the most accurate version of a photograph for web viewing? I have a bunch of photos taken in rather difficult lighting conditions and I am trying to ...
6
votes
3answers
282 views

How can I avoid or correct the “inverse Ageratum effect” in digital photography?

I was used to the ageratum effect with film cameras: as the red pigment on film is much more sensitive to IR than the humman eye, some flowers (such as the ageratum) appear pink in a photograph while ...
2
votes
2answers
284 views

What is colour correction, and how does it work?

As I've recently picked up photography as a hobby, I've been reading more and more about it online. A term I come across is "Colour Correction." But what does this mean for my photos? I've never seen ...
5
votes
1answer
2k views

I have scanned a film negative - how do I adjust the color using software?

I have scanned some film negatives (35mm) and have run into the classic orange color problem. Using the Gimp, simply inverting the color of the image (Colors->Invert) leads to a very discolored image ...
9
votes
1answer
1k views

How do you use Kodak Color Control Patches for photo color/tone restoration?

If you look at a source like Library of Congress royalty free gallery, they go an extra step beyond just dumping a bunch of images, but provide them with Kodak Color Control Patches. This is nice, ...
15
votes
6answers
11k views

How do I make picture from my Canon 550D more dramatic and colourful, via camera settings if possible?

I have just started clicking with my new Canon 550D 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. ...
5
votes
2answers
412 views

How can I evaluate the colour accuracy of my photos?

I have noticed that the colours in my photos are quite dependant on the medium on which I am viewing them — the camera LCD, computer monitor, TV, digital photo frame and print. So, something that ...
11
votes
1answer
338 views

Why are the red light and its hood in my image colored different than they were in reality?

I took this image in a train station with shutter speed 1/8 second and AV mode, the aperture was chosen to be 4.5. The problem in the colors of the spotlight in the right corner of the image. In the ...
5
votes
4answers
2k views

Should I have my lab color correct my images?

The labs that I deal with to get my images printed offer the option to color correct my images prior to printing. One example of what they do is: Per file color correction is available. We color ...
3
votes
1answer
991 views

Which online color correction services give good results?

I have a photo with some problems, like washed out colors, overexposure and a bit of blurriness. I tried to fix it myself in photoshop but that didn't go very well. I also tried an online service I ...
7
votes
4answers
8k views

Does Gimp have a Match Color function similar to that in Adobe Photoshop CS3+?

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 ...
8
votes
1answer
449 views

Do UV filters stop excessive blue light?

I have noticed that taking photos in bright Texas sunlight on my Canon T3i with a 50mm f/1.8 lens results in a blueish look over the whole photo. Someone said that a UV filter would help to remove ...
2
votes
1answer
460 views

Colour correction/Colour balance in Post processing of Raw images

I have some RAW files (CR2 and NEF) captured using Canon & Nikon cameras. If I have to perform Colour balancing/Colour correction using Lightroom or Adobe Photoshop CS, would those tools give me ...
4
votes
2answers
777 views

Emulating film color profiles (for use in Aperture 3)

Is there a way or place to get the color profile curves from film types and recreate them in Aperture 3 so that I can get a characteristic look from something that was shot with kodachrome. I know ...
8
votes
4answers
947 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 ...
11
votes
6answers
2k views

How should I post process images from a cloudy, dark day?

Here in the Netherlands, it's been snowing quite a log the last few days. This is something special here, especially this time of year, so I went out and shot a few pictures. It was a cloudy, ...
8
votes
4answers
638 views

How can I make this image appear OK on an average monitor?

I have taken a portrait picture which has to look good. It does look good on the Dell 2410 I use for editing. On the garden variety Fujitsu I use as a secondary monitor, it is terrible. In the face, ...
24
votes
4answers
578 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. ...
7
votes
3answers
299 views

How do I adjust colour casts between photos taken at different times?

I have several photos of similar subjects on the same background. As they were taken outside at different times, the lighting conditions are different, and so the colours in the photos aren't ...
4
votes
4answers
987 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 ...
3
votes
2answers
270 views

Correcting output from Bibble 5 Lite

Bibble 5 Lite only allows output in Kodak ProPhoto RGB, which quite a few applications do not represent correctly (esp. when uploading to web services). AFAIK, Bibble 5 Lite is hard-coded only to ...