Questions tagged [gimp]
GIMP (GNU Image Manipulation Program) is an open source, and freely distributed piece of software used for photo manipulation and retouching.
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Restore colors from an infrared frame in Gimp
I have some frames of a security IR camera. The images are black and white.
Is there any way to represent these images with colors.
I use GIMP in Ubuntu operating system.
Thank you!
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GIMP's color profile options on file opening and on export
GIMP's operations with color profiles seem hard to grasp.
I've studied a question describing experience similar to mine here: GIMP. TIFF. Color profile sRGB IEC61966-2.1 and embedded color profile ...
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Remove sun glare using GIMP
How can the glare from the sun in the upper right part of this photo be removed using Gimp?
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How can I "paint-with-opacity" onto a layer in gimp [closed]
I have a layer that is at 50% opacity. But in certain regions, I want to use a paintbrush to bring the opacity higher. How can I do this?
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How to get Ufraw to pass on EXIF data to Gimp
I cannot find EXIF data in Gimp using Ufraw as standalone OR plug in, even though I use the option save EXIF data - what could I be doing wrong?
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Workflow and colorspaces in Darktable and GIMP for printing images?
I have started to print out some of my photos, but this has lead me down a path where I do not know if I am doing things correctly, and are asked questions I do not know the answers to. Here goes:
I ...
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How do I create an infinite picture-in-picture effect?
I want to take a picture of an empty frame on a wall, then digitally edit that photo into itself infinite times. So the result should be a picture of a frame, which contains the same picture, which ...
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Anyone know of a PS filter that's equivalent to the Retinex filter for GIMP?
The closest I've found so far are a couple from Topaz Labs. They're not quite the same though.
Retinex is awesome. Especially if the environments in which you shoot lead to lots of underexposures.
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How to photograph a huge book on a table so text is level?
I use PENTAX Optio RS1500 Hoya Corp. digital camera with 14 megapixels.
When I photograph a huge book on a table, I can use text mode to capture all the text and lines clearly. But the lines become ...
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How to improve quality of pictures that are already taken (if possible in GIMP)?
I'm not a photographer but a graphic designer.
In GIMP, I only discovered two methods of improving the quality of an photo:
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best Gimp blur filter for popcorn ceiling
What would be best Gimp blur filter to make popcorn ceiling less noticeable?
I am using Gimp currently, used Photoshop/Lightroom years ago, but don't have access to a PC now. Definitely not a ...
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What technical terms or rules of thumb do I need to understand for a black and white conversion of a photo? [duplicate]
Below is a photo taken by me:
Below is a photo I found on internet:
There are some visible differences between the two. One is dull and the other has visible blacks and whites.
I feel I need to ...
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Why does GIMP increase the size of exported JPEG files?
I'm using GIMP to edit some vacation pictures (JPEG files) taken with a rather old digital camera. Lacking a professional background, I just went about by trial and error and ended up adjusting the ...
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Can you clarify a better workflow for bracketed exposure HDR 360-panoramas?
After reading the thread about HDR Panorama workflow I was a bit confused. I need some help with clarification. In my current workflow I have to edit the nadir shot(s) using The GIMP. I do my best to ...
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Why do my photos get much smaller when sending .cr2 files from ufraw to gimp?
I am using ufraw to open .cr2 raw files in gimp, but I'm experiencing a strange issue.
The .cr2 files are some 7Mb large. A typical dimension could be, for instance, 2374x1591, as reported by my ...
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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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Colour shift in photographs between applications? (profile included)
I have Asus ProArt PA329 monitor.
I made a full system reinstallation a few months ago, had not really worked photos for a while due to lockdown and other things etc. More recently, I re-installed the ...
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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 ...
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Crop multiple pieces from a photo and save with sequential numbers
I am looking for a way to draw multiple boxes around parts of an image at one time (sort of a ctrl+select) then save each box as a separate image. I usually use GIMP for photo editing, but any free ...
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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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What sort of post-processing can improve this washed out image?
The original image [ISO => 400, F11, 1/320 seconds, -1/3 EV] looks washed out, may be because of bright day light overhead. In GIMP, if I apply Tools => Color Tools => Levels => Auto, the picture ...
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Expand Canvas and Extend Edges of Image to Fill It
Hopefully this is the right place to ask this type of question. I am editing a digital photo (in gimp), and need to increase canvas size slightly.
At one point, I was watching a tutorial where they ...
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How can I correct high-altitude photos taken without a UV filter?
I took a string of photos, without a UV filter, at an altitude of 2.500m/8.200ft and they all look 'odd', flat, washed out.
In the GIMP Color > Levels Tool the Input Levels the histogram for the red ...
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How do I reset Ufraw to default settings in Windows?
The first time I played around with Ufraw / Gimp on my Windows machine, I hit "save" in Ufraw. Now, it opens every new photo with the odd warm settings I was playing with. How do I reset Ufraw to ...
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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 ...
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How do different books on Gimp compare?
There is a series of books on GIMP.
What are the differences among them? Can you help to pinpoint a good reference ?
Ideally I hope that after reading such a book I would be more or less (...
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Making selections by value threshold in gimp 2.9
Does anyone know how to make a selection by value in GIMP 2.9?
I'm trying to "cut out" saturated stars (values of 64k) in an astrophotograph. "Select By Color" should be able to do it, but the ...
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Haze effect in moon photo? (using GIMP)
I used two photos of the recent supermoon and combined them. The result is OK (link below). I was unable to achieve a look I wanted, where haze causes darker areas of the moon surface to assume the ...
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Raw is larger and softer than JPG
Here is a JPG image (unprocessed) followed by the corresponding DNG that I post-processed in Photivo/GIMP. (Canon Powershot SD750)
Flip between the two images in Chrome. Why is the raw image slightly ...
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Gimp perspective tool is not actually transforming
I've uploaded a screenshot below to illustrate the problem. I've dragged a jpeg into Gimp, clicked on the perspective tool, and then attempted to use it...but as you can see, it's not actually ...
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How can I remove the grid lines during transformation in GIMP?
I'm trying to change the perspective of a layer in GIMP, but it's very difficult to see what I'm doing while there's this enormous grid over the selection. Is there any way I can disable this?
Here's ...
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How to convert a dull monochrome photograph into a sharp black and white photograph with great contrast? [closed]
I shot the following photo with Nikon D3100 + Nikkor 50mm 1.8f G.
I shot this with the Monochrome option of the camera.
I use Gimp for post processing.
I sharpened this with the Unsharpen Mask ...
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GIMP. TIFF. Color profile sRGB IEC61966-2.1 and embedded color profile GIMP - built-in sRGB
Friend gave me photos. TIFF with LZW compression. Parks, people walking, relaxing. People are doing fitness. I want to crop these TIFFs, resize. Then I will export it to JPEG. Then I will post these ...
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How do I get started in post-processing with Gimp? [closed]
There seem to be loads of books and online material that discuss post-processing of images and how to do it in Photoshop, see e.g.
Any good tutorials for learning how to post-process images?
Where ...
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How can I remove blown-out sun glare reflected from a sign?
I've been asked to fix up the banner in this photo to remove the glare. I've played around with some of the answers I've found on the internet already, but haven't had any luck. Does anyone have any ...
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Wrong in-camera auto white balance issue
I own a Sony DSC-H55 point and shoot camera. It has a 14 MP CCD sensor with 10x optical zoom. I am happy with the overall image quality.
The in camera auto-white balance is producing wrong color ...
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Remove "random" noise [closed]
I have a picture which was taken from a book and it's full of noise:
I tried to remove the noise manually but it is too difficult and takes a lot of time.
I noticed some webpages who attempt to treat ...
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Is there a way to get Gimp to use color curves from a Technicolor CineStyle S-curve lookup table?
Is there a way to import a Technicolor CineStyle S-curve lookup table in Gimp->Color->Curves?
The lookup table is just a text file with 256 lines, with a numeric value (0..255) on each line:
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How will the image be displayed/interpreted if I publish a JPEG online with no embedded color profile?
How will the image be displayed/interpreted if I publish a JPEG online with no embedded color profile?
I use GIMP 2.10 on Windows 10 Home 64-bit.
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Is GIMP allow to add or change geo-tag localization in Exif data? Is there any plugin for that?
do you know is it possible to change or add geo-tag localization in Exif data of .JPG photos? Is there any plugin for that? I cannot find any clear answer is it possible from the graphical application ...
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Getting UFRAW into GIMP 2.8.14 on Yosemite
Folks claim that the versions of GIMP downloadable from http://gimp.lisanet.de/Website/Support.html have UFRAW in place. I just downloaded 2.8.14, and I see no sign of it. It's not listed in the ...
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Why do we even need RAW-specific editing software?
I was wondering the other day, why do we even need software like Lightroom, Adobe Camera Raw or Darktable?
Their purpose is solely to retouch image in a most general manner (major tint/temperature, ...
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Leica Q2M JPG files cannot be read by any of my Ubuntu (21.10) image software
I very recently picked up a Leica Q2M, and on my first attempt to read JPG files recorded on its storage media I've found that nothing on my Ubuntu 21.10 installation can read the files. I've tried <...
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.NEF Raw files open in Black and White
I recently went flying with a friend and took my Nikon D3300 DSLR up with me to get some aerial shots. As I'm still learning I set the camera to RAW+JPEG so I had some pics and could also have a mess ...
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Warp-sharp script not working in Gimp 2.8
I have been scanning film and I just got sick of the Unsharp mask setting of my scanner software (EPSON Scan). It just makes the grain look huge and unnatural, ...
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Can a curve be added in GIMP as a layer?
The colours in a GIMP image can be modified by using the curve tool. When I apply the curve tool, the original values are forgotten. Is is possible to apply the curve tool as a layer filter so that ...
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Are Gimp's "color space" blend modes the same as those in Photoshop?
The Wikipedia article on Blend Modes describes three of them in particular like this:
Photoshop’s hue, saturation, color, and luminosity blend modes are based on a color space with dimensions that ...
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Remove Vignetting from thousands of images
I am doing historical research for which the only document source is microfilm typically created in the 1950s by technicians who did not understand the characteristics of this then new technology. ...
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Gimp or ImageMagick: Adjustable kind of equalize?
Sometimes, I shoot pictures that are badly lighted (e.g. very dark areas, while part of the picture is well exposed). In some instances, equalizing the pixels can do real wonders.
But is there also ...
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Dramatic differences between UFRaw, GIMP, and JPG displays
I recently downloaded GIMP and I am having a slight issue. When I import a RAW image into GIMP, tinker with it (using the UFRaw plug-in), and then press OK, the displayed image (in the GIMP preview) ...