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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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2
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1answer
69 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 ...
1
vote
1answer
58 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 ...
2
votes
1answer
120 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: My goal is make one of these combining my face ...
5
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1answer
62 views

How do I use the “Standard Deviation” and “Scale” parameters in Gimp 2.9'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. In preview builds of ...
2
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2answers
160 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 ...
2
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0answers
53 views

Transform two identical Images with different background color into one without any background color [closed]

How can I transform two identical Images with a different background color into one without any background color? Like this: to
1
vote
1answer
161 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 ...
1
vote
1answer
43 views

How select a layer in gimp [closed]

I use gimp after photoshop. In a photoshop: I clicked on layer by mouse button with "ctrl" in a layer's list. It way allow select fill of this layer. How make it with help of gimp? For example, I draw ...
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2answers
242 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 ...
3
votes
2answers
698 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 ...
6
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2answers
179 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 right. I would like to try to apply a kind of mask with ...
1
vote
1answer
431 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 ...
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0answers
119 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 ...
9
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3answers
2k 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 ...
1
vote
1answer
259 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 ...
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4answers
2k 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?
2
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2answers
225 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 ...
1
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1answer
263 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) ...
6
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2answers
517 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 ...
3
votes
1answer
115 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?
0
votes
1answer
183 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 ...
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0answers
45 views

How to create different color effects with gimp? [duplicate]

How can I make images look like those in Gimp, how can I play with colors? What tools or approach should I take?
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1answer
264 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, ...
0
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1answer
487 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 ...
3
votes
2answers
381 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 ...
0
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1answer
58 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 ...
3
votes
1answer
182 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 ...
3
votes
1answer
329 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?
7
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2answers
7k 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 ...
3
votes
3answers
349 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. ...
0
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2answers
153 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 ...
2
votes
1answer
6k 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. ...
1
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1answer
107 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 ...
8
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2answers
8k 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 ...
5
votes
1answer
479 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 ...
0
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3answers
2k 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 ...
0
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0answers
63 views

How to do the Ghost Mannequin Effect using GIMP? [duplicate]

How can I use the ghost mannequin effect using the GIMP software? I like to use this technique for clothing. I'm not very computer savvy. Can someone please explain in detail?
0
votes
1answer
154 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, ...
5
votes
2answers
640 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 ...
13
votes
4answers
552 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 ...
1
vote
1answer
349 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 ...
5
votes
2answers
1k 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?
3
votes
2answers
300 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!
4
votes
1answer
608 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 ...
12
votes
5answers
8k 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. ...
4
votes
4answers
5k views

Converting RAW images to lossless jpeg using GIMP?

I have a Raw image which I want to get printed. I need to upload this to a website which expects to be in jpeg format. I use GIMP for photo editing and used UFRaw to view RAW images. GIMP cannot ...
8
votes
3answers
8k views

How can I overlay two images exactly by scaling one of them in gimp?

I have two different pictures of the same object, one of which is taken from roughy the same angle but has a different scale and rotation. I want both images to overlap so that the upper one matches ...
2
votes
3answers
2k views

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 ...
11
votes
1answer
6k views

What is the easiest way to alter white balance in Gimp?

Let's say I've accidentally shot my pictures on "sunny" white balace when I should have used "shade". What is the easiest way to warm the pictures up a bit in Gimp? The "Colors/Color balance" tool ...
13
votes
5answers
3k views

Is Adobe Photoshop worth the money?

I am starting to invest a little more money into my photography business. I've gone from a hobbyist to being asked to take professional shots, so I have the lights and other equipment. I'm upgrading ...