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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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 ...
user722951's user avatar
5 votes
5 answers
3k views

A photo effect that favours yellow & blue; What is its name & how is it done with GIMP?

I have recently come across several pictures that seem to have been modified to favour or skew towards both yellow and blue tones. The photo editing effect creates a special, somewhat cosy ambiance. ...
Serge Stroobandt's user avatar
0 votes
1 answer
223 views

Filtering narrow spectral lines in digital postprocessing

I am trying to reduce the impact of sodium vapour lighting on starscape-type images. This type of street lighting exhibits a very narrow orange spectral line, and it is common amongst ...
jstarek's user avatar
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2 votes
4 answers
694 views

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 ...
sherlock's user avatar
  • 683
3 votes
1 answer
2k views

Why doesn't my Gimp perspective transform apply to the entire image?

I'm trying to correct the perspective of a photo in GIMP, but I can't seem to get it to apply to the entire image. The transformation applies to a small area and leaves empty white space around it. I ...
Rena's user avatar
  • 133
1 vote
1 answer
316 views

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 ...
Dor's user avatar
  • 113
1 vote
2 answers
1k views

.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 ...
Blizz23's user avatar
  • 11
1 vote
2 answers
692 views

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, ...
Meclassic's user avatar
  • 217
0 votes
2 answers
542 views

Why do exported image contain colored grains/noise when viewed in GNOME Image Viewer?

I was editing a JPG image taken by Nikon D5300, a mid-range DSLR. Original picture was somewhat washed out. After some color-correction, I exported the image both in JPG and PNG format. Original JPG: ...
sherlock's user avatar
  • 683
2 votes
1 answer
2k views

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 ...
GWR's user avatar
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1 vote
1 answer
5k views

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 ...
carbunch's user avatar
7 votes
3 answers
11k views

Double exposure photo with Gimp

Since I bought my first camera, I want to do a double exposure photo. I know double exposure photos are two combined photos, like the following one: (source: alexwisephotography.net) My goal is ...
spund3's user avatar
  • 526
5 votes
3 answers
1k views

How do I use the "Standard Deviation" and "Scale" parameters in Gimp 2.10's GEGL-based unsharp mask?

Previously, Gimp 2.8 and earlier used a dialog with the familiar "radius, amount, threshold" parameters as described at Unsharp mask - what do the parameters do?, like this: But in Gimp 2.10, we ...
mattdm's user avatar
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2 votes
2 answers
644 views

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 ...
ottotts's user avatar
  • 23
5 votes
1 answer
10k views

GIMP Image Auto-Align Plug-In: I. just. do. not. get. it. Sorry! [duplicate]

Dammit Jim, I'm a photographer not a computer expert! I have tried to use GIMP's Auto-Image-Alignment plug-in and everything's there but I just do not get how it works! I have 100 pictures of our ...
Dan Holzner's user avatar
1 vote
2 answers
2k views

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 ...
Aquarius_Girl's user avatar
3 votes
3 answers
4k views

How to save JPEGs from GIMP 2.8 and higher?

At present I am learning GIMP 2.8 after getting the advice from this website to edit the photos captured by my Nokia N8. The problem is: I do not know how to save them in JPEG format in GIMP because ...
KON3's user avatar
  • 153
7 votes
1 answer
784 views

How to correct partial overpolarisation in sky?

I have this nice Lappland Autumn morning panorama, except the polariser effect is obviously too big just to the right of the small top on the left. I would like to try to apply a kind of mask with a ...
nsandersen's user avatar
2 votes
2 answers
1k views

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 ...
Jeff's user avatar
  • 121
1 vote
1 answer
785 views

Is it possible to control sliders of darktable from tablet?

I have a 10" android tablet and 15" laptop. Darktable and GIMP is installed on my linux laptop. Controlling sliders/curves etc of darktable /GIMP from mouse is not efficient, for me at least. I see ...
Alex's user avatar
  • 75
10 votes
3 answers
13k views

How to fix chromatic aberration with free software?

Here is a zoomed-in example of an image I shot that has a bit of discoloration due to the chromatic aberration of the lens. What's the easiest way to fix this problem using only free software such ...
Sean's user avatar
  • 201
1 vote
1 answer
312 views

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 ...
bmargulies's user avatar
5 votes
4 answers
13k views

How to calculate mean/average photo color in GIMP?

How to calculate mean/average photo color in GIMP? I have some photo and want to calculate average color - how can I do it?
Chameleon's user avatar
  • 153
2 votes
2 answers
307 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 ...
user2118622's user avatar
1 vote
1 answer
403 views

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) ...
K. 622's user avatar
  • 121
6 votes
2 answers
595 views

Why won't GIMP 2.8 open my long exposure shots?

I'm unable to edit some of my tripod and shutter release shots in GIMP 2.8.10. It only seems to affect the photos taken in bulb (full manual shutter timing) mode, where I have exposure times anywhere ...
MBraedley's user avatar
  • 213
3 votes
1 answer
277 views

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?
Evangelina's user avatar
1 vote
1 answer
329 views

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 ...
Simon Kuang's user avatar
1 vote
1 answer
465 views

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, ...
Rok Kralj's user avatar
  • 305
0 votes
1 answer
980 views

Gimp GEGL Tutorial for Photographers?

Is there a good tutorial for GIMP 2.8 software, that explains, comprehensively, how to use the GEGL operations (which have the the advantage of being nondestructive) for photo images? When I look ...
knb's user avatar
  • 670
3 votes
2 answers
757 views

Post production for beginners [closed]

I am having a hard time finding information (books or websites) related to post production. I would like to understand how (and even when or why) we adjust brightness and colors, what could enhance a ...
Tiago Deliberali Santos's user avatar
0 votes
8 answers
10k 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 ...
user27118's user avatar
  • 101
4 votes
1 answer
1k views

How do I copy selection from one color layer (let's say - Red) to another?

I'd like to clean up the whites of an eye. In Photoshop I used to select the white of an eye, and copy from Red to Blue and Green channels just by selecting the necessary color channel and clicking ...
Roman Matveev's user avatar
4 votes
1 answer
907 views

Photo Editing guide for gimp [closed]

Can I get some guidelines related to editing images with GIMP? Its not easy to learn it without any detailed guidance. How can I sharpen my gimping skills?
kashminder's user avatar
9 votes
2 answers
29k views

How can I remove shine from skin caused by the light with GIMP

I have a photo made under portrait dish key light. And the model has a little shiny spot on her forehead. Several years ago I used Olympus Studio (if I'm not confused after so many time passed) and ...
Roman Matveev's user avatar
3 votes
3 answers
1k views

How to cut an irregular pattern with proper transparency?

This may be hard to describe and I'm not proficient enough to draw it yet so please bear with me. I'm cutting parts of some photos of me and my girlfriend to put on a board game I'm making for her. ...
Shahbaz's user avatar
  • 133
0 votes
2 answers
191 views

How to create this early sun look?

I have seen lot of images that look similar to this, where there is this whitened light (image found on flickr) How to make image look like this in Gimp or Photoshop (prefered GIMP since I use GNU/...
jcubic's user avatar
  • 307
3 votes
1 answer
25k views

How can I do something like Photoshop's warp tool with open source software? [closed]

Using Photoshop, I can edit an image by using tthe lasso tool and warp tool. I need a open source solution that will operate in similar way. I tried Gimp software, but there is no warp tool in that. ...
2vision2's user avatar
  • 131
1 vote
1 answer
491 views

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 ...
Chogg's user avatar
  • 113
17 votes
4 answers
30k views

Is there an "Exposure" setting In GIMP comparable to that in Photoshop's Image Adjustments?

In Photoshop, there is an Exposure feature in Image-Adjustments-Exposure which changes the image as if you actually changed the shutter speed on the camera. This effect is generally much more ...
user avatar
6 votes
1 answer
1k views

How to achieve Japanese-painting like effect with Gimp?

In a recent blog post Trey Ratcliff shares the following picture: About the processing he says: To achieve it [...], you can duplicate the layer then do some extreme sharpening and a black and ...
Unapiedra's user avatar
  • 4,013
1 vote
3 answers
4k views

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 ...
Grzenio's user avatar
  • 215
0 votes
1 answer
195 views

Non-Canon software not reading custom image settings off RAW images

I'm fairly new to photography, and I've been trying out a few image editors, and I stumbled upon one issue: any program that can read Canon's raw files, except Canon's Digital Photo Professional, ...
andrus108's user avatar
5 votes
2 answers
1k views

Gigapixel panorama problems

I took hundreds of pictures from a 75mm-300mm lens in Cristo Rei(Lisbon), but since Hugin (panorama tools GUI) canoot distinguish well water from... water(neither i) i took the river pictures with a ...
SOMN's user avatar
  • 248
13 votes
4 answers
2k views

How to edit the exposure/contrast of two different areas of a photo with a smooth transition between the two parts?

I'm a complete newbee in photography and in photography editing, but I made a a photo I really like with my phone, and I would like to improve it numerically. Here is the photo. I know how to use ...
Samuel Rossille's user avatar
1 vote
1 answer
388 views

how to cut a silver object against darker background?

I got a few photos of a cassette. The cassette is made of steel. It’s against various backgrounds. I was playing with it a little in Gimp but have not come up with a good and fast solution how to ...
rrh's user avatar
  • 11
5 votes
2 answers
2k views

What is this effect called and how can I post process my photos to get this effect?

I came across this image of an artist on a website. I was wondering what this type of effect on images was called and how I can post process my photos get this effect?
Ritesh M Nayak's user avatar
3 votes
2 answers
559 views

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!
Vagelism's user avatar
  • 133
4 votes
1 answer
1k views

How can I find the matrix that GIMP used?

I used a perspective transformation on an image in GIMP, but not before I forgot to record the transformation matrix it used. (I need to apply the same transformation to a bunch of other images.) I ...
jake's user avatar
  • 143
14 votes
5 answers
24k views

How to best filter away high ISO noise in Gimp?

So I took a picture at a high ISO value in poor light conditions. I can't retake it, the grain effect is bad, I'm aware this will never be a good photo, but I still want to make the best out of it. So,...
SF.'s user avatar
  • 475