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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How can I pause the image processing in Topaz Gigapixel AI?

I use Topaz Gigapixel AI for image postprocessing. It can take a while to process a fair amount of images. How can I pause the image processing in Topaz Gigapixel AI? If I click on "Cancel ...
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1 answer
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Google Earth Imagery

Would anyone know the best way to analyze terrain photography taken using Google Earth? I'm doing independent archaeological research in Peru and have found some interesting sites but they are very ...
-2 votes
5 answers
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Could this photo have been photoshopped?

I recently came across this photo that someone claimed to have taken on a Fuji brand camera. They claim that it’s a result of double exposure of their singular dog, but this doesn’t seem like double ...
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3 answers
104 views

How can I avoid grid noise / read noise

I have read a bit about this subject (Read Noise) and to be honest I rather shoot at ISO 100 for the finest detail and maintain the scene as I see it. Example .. I shot a fishing pier after sunset ...
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4 votes
2 answers
143 views

Simple function to simulate different shutter speed / exposure by changing RGB values of image

What mathematical function can I apply to each pixel of an image to simulate an increase in shutter duration of a camera? E.g. Let's say I have an image shot at 1/60s shutter speed. What function can ...
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Delivering retouched photos to passerby participants of photo booth?

This question is more about distributing photos. I'm going to work at pop-up photos booth at an event. I'm going to use my own camera and maybe participants' smartphones should they ask me. The booth ...
0 votes
4 answers
181 views

Batch processing scanned negatives to remove white border

I have had several hundred old negatives scanned by a local company. I am happy with the quality, but have found they are using a flatbed scanner to scan each strip, and then manually cropping each ...
1 vote
3 answers
92 views

Can you use Lightroom to edit files directly on disk?

I have a large collection of photos that are contained in sub-folders, for a project. My question is if there is a way in Lightroom to edit files directly to disk, without having to re-export again, ...
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3 votes
2 answers
345 views

How to save Darktable edits as a file?

Darktable is a non-destructive photo editor that exports to jpeg, png and .xcf (whatever that is, but seems to be the Gimp file format), but doesn't save a workfile containing all the individual ...
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3 answers
321 views

What advantages do 16 bit depth photos have over 8 bit photos?

Someone said that 16 bit photos can sell for more money than 8 bit photos. But doesn't that depend on the camera used: Anyone can convert an 8 bit file to have 16 bit, which isn't authentic processing....
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2 answers
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Does photo quality deteriorate when you scale the image size larger?

If a scenic photograph is scaled double its original size to conform to some printing dpi/inches criteria, the default setting in Gimp appears as "cubic interpolation". Assuming this is the ...
2 votes
2 answers
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How to make a layer fade to transparent?

I have two layers of the same image. The first layer underneath is the original, while the other on top of it is a copy of the original, but with some applied effect or filter. I would like to make ...
8 votes
5 answers
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Is it common practice to apply identical processing effects to a batch of photos?

I'm trying to understand how photographers approach the task of multiple images that were all shot at the same environment/setting/event. Instead of opening each photo separate, and tweaking hue, ...
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1 answer
275 views

GIMP: How to apply the same processing to multiple photos

In Photoshop, the same sequence of processing on layers of each image in a batch can be applied to those multiple images by using File > Automate > Batch > Action then select the group of ...
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3 answers
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How to process photos of night sky taken from smartphone

I'm from Karachi, Pakistan. I'm very much interested in astrophotography but currently, being not much able to afford high level equipment, I try to work on my smartphone and learn from basic YouTube ...
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3 votes
1 answer
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Detect Google "stylized" photo?

Google on Pixel phone stylizes some photos. Selection of photos to stylize is arbitrary (happens to some photos when you upload, no user selection to trigger) and what exactly happens in stylizing is ...
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3 answers
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What light is used in this photo?

I am a permanent make up artist. My work is good but I can’t take good photos of it. I use a ring light and iPhone. The result has no much details always orange or red tones I see international ...
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6 votes
3 answers
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Do the 3 main Topaz apps really do different things?

(As a preamble, I am not saying anything like Topaz is dishonest, or I feel ripped off) Watching YouTube videos I have now seen more than once seen people say they like to first use Topaz Denoise, ...
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What does RAW stand for in the postproduction world? [duplicate]

So, I know the meaning of RAW file in the post production world. But, does anyone know exactly what does RAW stand for? I believe it has something related with Read And Write but I haven't found ...
1 vote
2 answers
377 views

Can one add padding to a photo programatically?

I use a tool to generate hundreds of photos and in the end I want to add some padding to the photo, but not manually because this will take a lot of time for more than 10000 photos. So for instance if ...
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2 votes
3 answers
330 views

Outdoor lighting: is this natural light or a graphic effect?

I'd love to be able to reproduce this kind of dreamy, soft outdoor light that almost looks like mist: Photo by Sonia Aloisi (source). How much would you say this is natural light? I'd say the bokeh ...
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2 answers
290 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 ...
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What is the difference between raw and jpeg images? [duplicate]

I am a beginner at photography and I can’t really understand what a raw image is and how it is different from jpeg? How is an image manipulated before processing?
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1 answer
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Free software for minimal post-processing requirements [closed]

I wanted to ask for a recommendation for a free post-processing software. As I am primarily a jpeg shooter - who keeps the raw files "just in case" - my requirements are quite minimal: ...
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2 answers
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Can I post process this out of focus image?

There was a small snake hiding in the grass. I pointed my camera, but I zoomed to much. When I pressed the button to adjust the focus the autofocus complained because it was out of range. I tried ...
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1 vote
2 answers
514 views

Is it possible to eliminate Moiré patterns from photos of screens?

I am very well aware of Moiré patterns and why they happen when taking photos of computer/phone screens. However on the website of some software projects there is a photo of someone using the product ...
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2 votes
1 answer
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How to process 360 photos without creating seam?

I shoot 360 photos with a 360 camera that takes the entire scene with two wide-angle lenses that are stitched together to obtain 360 panoramas. I use Rawtherapee for post-processing and colour ...
17 votes
4 answers
5k views

How to check if a photo is edited (even basic edits like exposure and white balance)?

A competition I want to participate in demands that they want unedited photos. The submission should not even have basic edits like brightness, saturation, white balance etc They claim they'll check ...
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2 answers
430 views

Post-process custom WB for full-spectrum photo?

Quite a noobie question. I did a conversion of Fujifilm s1000fd to a full spectrum camera and started to take pictures with a 590nm filter. When I set a custom white balance on the camera, discovered ...
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4 votes
2 answers
907 views

Hardware / post for crisp sunrise

I have been trying to take photos of the sunrise. In my arsenal I have ND8-ND100 filters and each time I tried a different iteration. My thinking was that with an ND filter I would be able to get well ...
21 votes
3 answers
3k views

Could someone help me identify what this piece of film might be used for

I worked at NASA for a number of years. This item was thrown away when NASA closed a photolab facility in the late 80's. I believe it's a piece of film showing the iconic "Blue Marble" ...
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2 answers
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color correcting scans

I got an Epson ff-680w but can't find any way to color correct the scans using a calibrated profile. My understanding is that this is the main thing to look out for when trying to scan in archive ...
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6 votes
3 answers
563 views

Is there a known practice of post-processing to make a finished photo while viewing a subject?

Photographers often aim to create a work that accurately depicts a subject, and/or is informed or inspired by the experience they had looking at it. A significant part of the work of making a photo is ...
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3 answers
546 views

How to perfectly overlap two photos?

I have some old postcards of a street and I would like to make the same photo nowadays. Of course, I will shot from the same place I thought the photo was shot, but I will use a different camera and ...
2 votes
0 answers
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How to remove this noise (color patches)?

I'm having images with a visible color noise taking form of color blocks: One can reveal the patches with modular multiplication (x -> x*d%255, x a 8 bits RGB value of a pixel, d some value, eg., ...
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1 vote
1 answer
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How do you compose the price for the end product if it needs more then usual amount of retouching?

If you shoot a session, where the end product will have much exposed skin (face/body), how do you compose the price for the end product? Do you have fixed prices? Or do you calculate retouching ...
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1 vote
1 answer
292 views

How to remove satellite streaks from photos?

I found myself struggling a bit removing satellite streaks from my astrophotography. The best option that I found is to use the Healing brush tool in Photoshop, but this has the danger of removing ...
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1 vote
1 answer
291 views

How do I recreate this photo filter/edit similar to Instagram's Walden filter in Photoshop?

I'm trying to recreate on old filter in Photoshop that used to be available on an app called Facebook Camera but the app hasn't been updated in years and no longer runs on iPhone. Original: Edited: ...
1 vote
3 answers
158 views

Why does stacking reduce star color?

I attempted to photograph the Big Dipper last summer. While I am very happy with the overall result, I recently found that the color of the stars has been greatly reduced during stacking. The ...
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7 votes
2 answers
868 views

How to digitally remove reflections on vertical glass fronts?

As you can see, the reflections impair the visibility of the objects behind the glass quite a lot. This image is fairly old (2009), so that I can't revisit the site for a better shot. Software: ...
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4 votes
4 answers
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Are award winning landscape images edited?

I am on Flickr and 500px and also exploring award winning photographer's shots. They are beautiful, but I always wonder how much they edit their images? Can an image straight out from camera win an ...
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2 answers
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Grainy rings on photos after stacking StarryLandscapestacker

I am having an issue that I am hoping for help here. I take astro pictures using: Nikon D850 with a Sigma 14mm F1.8 Dg ART lens on a tripod. I usually take a 6-10 images of the the night sky and ...
1 vote
2 answers
2k views

How can you stack Photos of a meteor shower?

I plan shooting the Perseids meteor shower this August. It is my first time photographing a meteor shower. This is the gear I will be using Nikon D5300 18-55 f/3.5-5.6 Kit lens A tripod (of course) ...
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4 votes
3 answers
456 views

How to reduce large, agressive color noise?

I tried to shoot an image of Comet C/2020 F3 last night. My settings were ISO 6400, f/5.6 and Shutter speed 2 seconds at 175mm on a MFT camera. As expected, there is a lot of noise, so I planned to ...
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2 votes
1 answer
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Difference between DxO's Nik Collection 3 and DxO PhotoLab 3?

Can someone tell me the difference between DxO's Nik Collection 3 and DxO PhotoLab 3? They seem so similar but I can't find any comparison to help me decide. (If this is somehow the wrong sort of ...
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2 votes
0 answers
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Why does darktable's shadows and highlights module invert this image?

I've recorded a screencast of the issue here. I have a test image that I made so I could see how various modules in Darktable effected the histogram: I import this image in darkable and switch on ...
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1 answer
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How do I shift a series of time lapsed photos (a week between each photo) to match hardpoints? [duplicate]

I have collected a series of photos approximately 1 week apart using a drone. Thus, the photos are slightly different. I want to transform each photo using a series of hard points so that those ...
3 votes
3 answers
2k views

My photos are being save in pp3 format after saving them in raw therapee

when I edit my photo and save it in the application, it saves as a pp3 file and I can't seem to figure out how to change this. I have researched other apps to open the file, but I couldn't find a ...
3 votes
2 answers
420 views

Changing the field-of-view of a photo in post

Photos in real-estate listings typically present a distorted reality in which rooms look longer than they are—see for example https://photographyforrealestate.net/2016/07/19/is-it-possible-to-get-by-...
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3 answers
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What is this style of photography called?

I am trying to learn a specific type of photography and am having a difficult time finding out the name for it. What I am most interested in, is a specific niche of high focus, minimalist, black ...

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