Questions tagged [post-processing]

Post-processing is the process (and art) of adjusting a previously-captured image to obtain a desired look. It encompasses everything from simple whole-image adjustments to detailed per-pixel touch-up work.

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Lens Magnification vs Pixel Magnification

Scenario: I take a picture with a camera that has a crop factor of 3.19. I use a 55 mm focal length equivalent for taking the photo. In the resulting image file header, it says a magnification of 0....
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Refocusing light field images via Fourier Slice Photograph theorem

I am trying to refocus images from a microlens array light field using Ren Ng's Fourier Slice photograph theorem found in his thesis chapter 5, equation 5.7, which is available at https://stanford.edu/...
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How to make a photograph's foreground brighter while making the background darker? [closed]

I took an original picture of a person holding a book. I am trying to make the person holding the book darker, a shadow, and make the book stand out by making it brighter. How can I do this? I am ...
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Fear of underexposure despite proper exposure in editing program?

I'm constantly afraid that my images are underexposed for I'm playing a lot with light and shadow and like to shoot at night. Even though in my picture editing program the image seems well exposed ...
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CR3 Format in darktable

Since I can't afford Lightroom, I figured I would use darktable. As I wanted to import my RAW - files (in CR3) I realized that darktable doesn't support them. Is there a way I can still get my RAW - ...
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How to edit sunsets & sunrises to achieve a soft, peachy-pink color over the usual orange?

Can you please help me figure out how to achieve the soft, peachy-pink coloring on the sand and light in the images below? Usually, my sunsets/sunrises are much more orange and when I try to edit, I ...
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225 views

How to look at a photograph in digital age? [closed]

I was looking at my photo gallery on my smartphone and got shocked because all of them were almost cartoonized and irrealistic. I've realized that as due to an adaptive mode on which the screen was ...
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How do I create a vignette in Photoshop Elements 11?

I'm new to Photoshop Elements 11. I am trying to create a vignette effect on some pictures. I'm using the Guided view with "Lomo Camera Effect" (but only the vignette option, not the lomo). I find ...
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Watermarking processing proof

There are watermarking technologies in videos that are resistant to transcoding and image resizing. There are no visible artefact, it's rather for content protection and tracing. Is there anything ...
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107 views

What Is Main Cause of Posterisation

I made some post-processing and came to the point to see the gradient in the sky turns into zones separated by sharp borders, which I believe to be classic example of posterisation. Firstly I thought ...
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How do I get this oversatured-but-not, blown-out-but-not, subtly surreal look?

If you look at the buildings here, they're super-white and blown out-seeming. On the other hand, the black shoes are super-black, as if hand-tinted – same with the green of the leaves. Overall there's ...
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Any good tutorials for learning how to post-process images?

I don't really know where to start with post-processing my images. I normally just straighten, crop and sharpen. Do people know of any good resources on the internet for getting a grip with Photoshop ...
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When does “photography” become “digital art”?

This question is not as opinion based as the title suggests. Airbrushing, image manipulation and stitching have all been around since almost the birth of photography as we know it. I can't help but ...
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How much ISO noise is removable in post?

I was experimenting by taking photos of the moon using an 1000mm MTO-11ca lens and thought I should get even closer by adding a teleconverter (Kenko Pro 300 3x). The picture quality is not sharp at ...
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How can I align hundreds of images?

I have several collections of 400 or so photos that I took using interval shooting. Sometimes the camera moves very slightly while shooting. My goal is to align all the images at full resolution so ...
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Do I lose information every time I add an adjustment layer to an 8bit image in Photoshop?

A friend told me that one of the disadvantages of working with 8bits images within Photoshop is that every time I add an adjustment layer I lose some data. Is that true? Is there a quantifiable ...
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How are the levels and curves tools related?

I started to use levels and curves tools quite recently and now I mostly use the second one. Mostly this is due to the fact that I understand the underlied mathematics of curves better than levels. My ...
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what is the cause of halo around dark objects (non-HDR)

This problem occurs often with scenes that have trees with the sky behind. I tend to raise the shadows and reduce the higligts (in RAW) to get a more pleasing image, I believe this is a normal thing ...
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How to postprocess photos with lots of blue haze?

I was in Northern Italy, and made some pictures there (with emphasis on sentimental value, not trying to do big art). Something I noticed both in real life and on the pictures is that the blue haze of ...
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How to imitate the blur on subject outlines after removal of background using GIMP?

Using GIMP I masked out an unwanted person who was situated in the background of my image. This person was partially concealed by my subject. I used the path tool to trace the outlines of my subject ...
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1answer
193 views

How to use quartered circles to correct camera alignment?

I have seen several scales/scalebars for use in fieldwork/scientific photography that include quartered circles (similar to targets). If I understand correctly, those would be useful to correct images ...
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What is the best way to clean studio backgrounds in Photoshop?

Studio backgrounds can be a pain in the butt. They get wrinkled, they're hard to roll in and out and they get easily dirty. Does anybody know a good technique (or tutorial) on how to clean them in ...
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1answer
204 views

How to bring such details on face and dull cyan color grading like in this image?

I have sufficient experience in Photoshop and prefer it over Lightroom. I want to know the directions to achieve these specialties of the image below: Facial details in wrinkles and hair. Dull cyan-...
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Easy workflow to stack several frame from a steady video with a moving subject

There are plenty of samples of what I want to do: a moving subject in front of a steady camera, and a single final picture showing the "action" with the subject in several positions in front of the ...
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Solve unwanted white “waves” and “Pacman squares” in low-light picture - post using Google Photos

After op commented that my picture is super under-exposed, I tried post using Google Photos. But when I increased the exposure, I saw some unwanted white "waves" or rows in the photo. The edges of ...
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How to batch generate preview for multiple versions of filters/layers applied for the same image in Photoshop?

Recently I'm experimenting a lot with postproduction, to look for some new style. I find it very tedious to check out various combinations of adjustment layers (also with various opacity), blending ...
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Why do it “in-camera” rather than in post-processing?

There's a very common attitude among photographers that the appearance of a photo (ex: exposure) should be created using the features of the camera (aperture, shutter, etc; does not include the "...
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1answer
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How do I re-create the warm film-like look of this 2012 Southern Comfort advert?

Nobody's quite sure why the new Southern Comfort ad is quite as cool as it is, but I really like the warm '70s film-like look that they have added to the video. How would I re-create this warmth in a ...
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2answers
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How to edit photos to correct for monitor calibration?

Is there a way to shift all the adjustments made (color, tint, contrast...) during post-processing of photos in Lightroom with an uncalibrated monitor by some offset value after calibrating the ...
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1answer
125 views

How to take shots like this [closed]

I want to know how to take shots like this on a motorcycle on a gopro hero 8. Is this effect done in post?
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4answers
974 views

Unclear whether grey card can be used for exposure in post production?

I only use a grey card a little, but need to use it more to get more consistent product photo's. I understand how to use it to adjust white balance in camera, in Photoshop and Camera Raw, however I'm ...
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1answer
127 views

facilitating long-duration time lapse application

I am doing a time lapse that requires about 36 hours, however my equipment limits me to a rather short-duration interval. The longest time lapse setting available is one photo every 60 seconds. The ...
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Emulate Shutter Duration on RAW Photos using Exposure Stacking

So I've been on this problem for about a year now and haven't been able to solve it. I gave up on it a while back, but now I'm researched up and ready to get an answer. I'm trying to fake a long ...
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How did Apple create the Catalina dynamic desktop background?

The new version of macOS, Catalina, includes a "dynamic" desktop background featuring photos of Catalina Island throughout various times in the day. Here's two of the eight different images: You ...
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4answers
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Astrophotography picture with too much noise. How do I correct this in postprocessing?

This is the Milky Way above Kakadu National Park, Australia, and my first try at astrophotography. Thirty second exposure, f/4.0 at 17mm with ISO 12800 (!!) which in hindsight probably was way too ...
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3answers
234 views

seen on NYTimes - How to create this look for high-contrast sunshine images?

I really enjoy the quality of photos seen on the New York Times web page (although they often cover unpleasant topics). A challenge I already faced on my own is the extreme contrast of sunshine ...
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236 views

Could there be any possible benefit from converting 8 Bits/Channel photography to 32 Bits/Channel?

Is it possible to get better results from Levels / Curves adjustments by converting 8 Bits/Channel photography to 32 Bits/Channel? Just by example, Photoshop's Info panel shows the following ...
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1answer
46 views

Does compressing with chroma-subsampling multiple times degrade image quality?

Suppose I am creating a large image files out of smaller ones. The original images (jpeg) already have chroma-subsampling of 4:2:0. If one were to put them together and save again as a jpeg, would ...
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4answers
1k views

How can I work around lack of support for Canon's new CR3 Raw format in the software I use?

Canon's new Cr3 file format is not able to be processed in any of the top editing software. Lightroom Classic doesn't support it, nor DX0, or Luminar/Skylum. Lightroom CC subscription will but I don't ...
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How can I correct scanned negatives for vignetting caused by a low-end scanner?

I bought a cheap medion scanner which turned out to be a bad idea since the light in it is not evenly distributed and gives a kind of vignette How can I correct it in an open source program that runs ...
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How does automatic HDR software work?

An HDR image is the combined image of varied exposures that give good detail of the subject in the photograph. How does HDR software know what part of the images to blend? Manually, we know by ...
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1answer
55 views

Cropping Aspect Ratios [closed]

When Cropping an Image to the 16:9 Aspect Ratio for large screen (TV) display and Judging of an image in the correct viewed aspect, how does this effect the Printed Image?. Would 19:10 be better all ...
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164 views

How to achieve this light faded, desaturated look?

how can I achieve this look, as seen in photos by Simone Favilli? I love the soft light effect and colours of this image but I don't know how to achieve it in Post-processing. Any suggestions? Thanks ...
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6answers
7k views

How to get a miniature effect on pictures without special equipment?

I was browsing Behance and came upon these pictures: http://www.behance.net/gallery/The-Little-Things/402879 I was wondering how he got this miniature style effect? I'm guessing a Gaussian Blur on a ...
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3answers
198 views

How to calculate difference in exposure between two given frames?

This question regards exposure. I have a project I am working on where I need to be able to calculate the exact number of stops between two given exposures, with the end goal being to match the ...
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1answer
116 views

How would you remove power lines from a photo in the darkroom?

Ok so removing power lines in Photoshop is trivial. However I am interested in how the process might work with analog photography, in the darkroom. How would you remove power lines from a photo in ...
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1answer
60 views

Process raw image to match lower resolution jpeg

I have some photos where I have processed the image to my liking but unfortunately only saved a low resolution (for instagram) version. I now would like a higher resolution version for printing. I ...
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2answers
101 views

Is Sensor Noise Consistent Between Cameras of the Same Model?

The RAW photo editing program Darktable has a "Denoise - profiled" filter which reduces image noise by using a noise profiles for your camera model and ISO submitted by other users: The darktable ...
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5answers
102k views

How can I upscale a low-res image to make it appear higher-res?

I want to enlarge an image to a bigger size. This will cause pixelation. So I want to apply some treatment to it in Photoshop that will suppress some of this pixelation. Of course I cannot generate ...
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5answers
71k views

How do I combine multiple exposures for action shots?

I'd like to create one of those "stacked" action shot images where multiple exposures are combined to show the subject moving across a static background. Here's an example I found on Flickr (by ...

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