GIMP :: Modification Log Plugin - Image Processing
Nov 7, 2012
I use gimp for image processing in my job as Forensic Questioned Document Examiner. One of the requirements when we elaborate an image is to be able to relate what modifications have been done to the image, in order to make the result reproducible.
So I was wondering: is there a feature or plugin that records all the modifications, filters, ... applied to an image (taking of course into account undos etc), and perhaps saves them into the resulting file (gimp format at least ) for later reference and inspection?
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Jul 23, 2013
I opened a 1024x1024 image in GIMP, and manually broke it up into fully black and fully white sections. I'd like to output a file which is just a simple binary array of 8 bit numbers, such that every black pixel in the image has the value 0, and every white pixel has the value 1. This way, I can open it in my C program and then load the array into memory using the fread function.
I haven't been able to work out how to do this. I need to avoid using any files with metadata in them...And unfortunately, even the ppm format has a handful of characters at the beginning. Is there a way to do this?
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Jan 18, 2014
I would like to repeat the following procedure on a large number of images but I am unable to find a way of batch processing to do this for me. The idea is to end up with a small plain boarder around the original image. This is to prevent any image being lost when I order prints due to cropping.
1) open image
2) copy the image
3) create a new image 0.5" larger than the original
4) paste the copied image into the larger new image
5) resize the new image to a given size for example 10x8 for printing
6) Save the image under new name or in a different folder to the original.
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Jun 13, 2013
I've been a GIMP user for a couple of years and have just encountered a new and unexpected problem with version 2.8.4. I'm attempting to export a file to JPEG format, and am receiving the message:
"Saving 'FILENAME' failed: JPEG image plug-in could not save image."
I ensured I had adequate disk space, tried saving to different locations (including other drives on our network), tried resizing the image, and nothing will work. The message just recurs each time, no matter what I try.
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Mar 26, 2013
I need to get the visible portion of a particular layer in the final image.Lets say i have 4 layers and some portion of each layer is visible in the flattened image i would like to get the portion from each of the layers. The input will be in xcvf format.I will ideally want to automate this and output to file in some format looking like this,
Layer1 ---> Co-ordinates of visible polygon from this particular layer in the image .
Layer2 ---> And so on.
How to proceed with the script. I think brute force is to take each non-transparent pixel and and find the same pixel in all above layers if it is not found it will be added to the region.Or something exists like selection from alpha combined with multiple layers ?
Or if there is a way to find out for an image with all layers visible which pixel came from which layer ?
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Nov 10, 2011
there's nothing in that dropdown menu for you to select your source image/layer in the Move Path plugin.I am using an XCF (Gimp) file, with many layers. I selected a particular layer, then I opened the Move Path plugin.
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Apr 8, 2011
I am using the Gimp Mac 2.6.8 (seems to work best with Mac Tiger 10.4.11). I have an Olympus E1 DSLR, want to be able to process, manipulate Raw files from the camera in the Gimp. Am I able to accomplish this? If so, is there a plugin I can install in the Gimp? Although I have been using other Gimp functionality, I am completely new to working with Raw files. "non-jargon" terms how I can accomplish this? On my own I got the "ufraw-0.18.tar.gz" file from Sourceforge, am I on the right track?
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Apr 29, 2011
After installing the Gimp 2.6.11 Tiger PPC, I want to know if Raw Processing is available on this Gimp version. If so, after opening a raw file in the Gimp, how can I access the Raw processing tools?
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Aug 1, 2013
I am trying to use gimp in batch mode. I can't find any examples of how to do _real_ batch processing. All the examples on the net show how to integrate into the gui.
I see that I can use the -b flag to invoke script-fu functions. But AFAICS,the script with the function definitions needs to reside somewhere in~/gimp-x.y/scripts or something.
In addition, I can't find a way to pass command line arguments to the called functions. Is there any way to define/execute functions? For example, I'd like to callsimple-unsharp-mask from [URL]........
like this:
$ call-gimp-function script.scm simple-unsharp-mask file.png 5.0 0.5 0
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Apr 21, 2013
When using command line gimp, is it possible to use *.jpg as the file name to have it process ALL the JPEG files in a folder? I'm really actuallyinterested in a simple file format conversion with no image processingapplied, specifically svg2png conversion. I know Gimp can render svg andcan save png, and unlike the next best program ImageMagick, the Gimpactually DOES NOT GLITCH the resulting image! So I've got a folder FULL OFSVG FILES, and would like to be able to just type "gimp convert -i *.svg-outputformat png" and have have it AUTOMATICALLY convert all my svg filesto png files. Is it possible to do this with such a simple and shortcommand line? I know the above exact example command line doesn't work,cause I tried it. But is there some simillarly simple command line code Icould use with gimp to convert svg to png via rendering the svg and thensaving the image as a png?
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Oct 17, 2011
I want to do batch processing of 460 .png files. It includes rescaling their width to 50% without interpolation, changing color mode to indexed based on a specified palette, changing color mode to RGB and rescaling their width to 200%.
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Sep 18, 2011
I have checked the road map for GIMP and I have seen that the Unified transform tool can be expected in version 3.8. (ugh)
Now what I would like to ask is there any tool or plugin for GIMP that can transform my selections? Or is there any open source image editor that can do it.
I'm not an artist and just for this I have to use Photoshop. For me PS is an overkill for just cutting up an image.
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Dec 22, 2012
Any online resources on Infrared Photography Post processing in GIMP ?
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Jul 20, 2013
Problem :I have a large number of ex-camera jpegs of the pages of a book,photographed at an archive where scanning is prohibited. A camera stand wasused, with the book supported on foam wedges. Consequently, both pages ineach image are distorted - i.e. each page of a pair is a trapezium.It is, of course, a simple matter to crop and apply the perspective tool(twice) to an image to restore the pages to their flat state. Doing it forseveral hundred images is a non-starter, and anyway that's what the machineis for.
Proposed solution :
Import an image to the Gimp.
Drag and drop a number of images into the same project - as many as themachine can handle.
Link the image layers.
Crop.
Select one page and use the Perspective Tool to pull the page 'square'.Repeat for the second page.
Export each image, working down the stack.
Result :Selecting the right-hand page and correcting the perspective works, in thatthe Gimp progressively works down the layers. But, although each right-handpage is correctly 'squared up', all the left-hand pages, other than the toplayer, are enlarged and cropped.
Software used :2.6 under Debian Squeeze.
2.8.2 under Mint 14.1
2.8.6 under Windows 7
All OS 64-bit.
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Apr 10, 2011
I'm trying to streamline a daily activity processing photos with Gimp by using incrontab (which makes it when you add files to a directory, it will automatically run a program to deal with the event). I have a python-fu script that I need to run after selecting four corners of what will be new photos.
It will run itself on all images open in gimp which reduces my keystrokes or mouse clicks. The problem I'm having is that when I put four photos into the processing directory, incron opens four instances of gimp instead of opening gimp once and adding each photo to its open images. I'm using Ubuntu Linux. I'd really like to make the same instance of gimp open the photos, but I'm not sure how to do that.
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Dec 18, 2012
Today I'm working on actions that embody steps that do upsampling, and I'm using some of my panoramic images as test input with Photoshop CS6 x64 on Windows 7 I just calculated how many pixels are in the upsampled images, to get an idea of how stressful these actions will be on systems when people run them...
A 25,659 x 6,069 pixel image is no small thing in itself, at 155 megapixels... But upsampling it to 320% original size in both horizontal and vertical dimensions yielded 82,108 x 19,420 pixels - a 1.5 gigapixel image! And I'm working at 16 bits/channel. I was a bit surprised that I am just regularly chunking through gigapixel sized data. And I'm multitasking all the while - browsing, keeping up with eMail, listening to streaming internet radio...
The take-away from this is that with today's computer power and resources Photoshop just blazes through gigapixel+ sized documents now!Seems to me it wasn't THAT long ago we heard about the world's first gigapixel image, and now we're actually starting to hear about the first terapixel images, which are still challenging to make.
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Sep 26, 2006
advanced batch image processing. I need the following to happen to a folder of images:
1) All images in the folder are resized with constrained proportion to a width of 250px.
2.) They are then combined into one image file placed above each other in a column (literally, not layers). Each image also needs spacing between the other, about 20px
3.) This is then compressed as an 8 quality jpeg and exported as a new image.
So basically I have a folder of images that I want to convert into a long 'gallery' image with spacing between each.
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May 2, 2006
I've been told that I've got 700 images to process and remove the greyish background from each of them so they appear to be on a completely white background.
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Jun 27, 2004
I need a digital image processor to boost the resolution of satellite photos.
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Jun 18, 2009
I am planning to get a new PC to work on large image files (1-3 GB) in PS CS4 (I work with 8x10 inch view camera and then scan the negatives). I was thinking about Core i7 with Quadro PNY FX1800 and 6GB RAM. Is this a good choice or rather overkill ? Off course I was also thinking about a ProMac, but could not find real advantages over a PC.
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Sep 26, 2006
1) All images in the folder are resized with constrained proportion to a width of 250px.
2.) They are then combined into one image file placed above each other in a column (literally, not layers). Each image also needs spacing between the other, about 20px
3.) This is then compressed as an 8 quality jpeg and exported as a new image.
So basically I have a folder of images that I want to convert into a long 'gallery' image with spacing between each. I know this isn't explained well, but is it at all possible?
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Dec 2, 2011
I am having quite a difficult time with Autocad 2012. I have worked on a huge file containing an exploded 3D Drawing. Actually I am working on a Catalogue and have to importe and place view of the exploded 3d in boxes and xref bmp files and so on. After a number of computer crashes this morning, I have found that I cannot open the file through it is displayed in preview. At work, I can see part of the file and then a image process something at the bottom left of the screen and I can do nothing more than close Autocad or wait for minutes without ending.
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Sep 15, 2012
I want to create an automated image processing. I have LR4.1 and CS6 installed. I also subscribe to the Creative Cloud.
1. Capture an NEF.
2. Apply an X-Rite color profile.
3. Save as a JPG to a specified folder.
4. Save the NEF to another specified folder.
How can I do this
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Sep 4, 2012
There's some image processing commands in photoshop, like high pass and blur (i.e. low pass). I want more. Is there a way to achieve frequency doubling, or better yet, frequency x N where N is any number the user can specify?
This may be useful for making coarse skin texture look finer. It can be implemented by diving the selected area into small squares, and then shrink each squares to half their original sizes. This would make the details look finer grain (hence frequency doubling). It would open up gaps between the squares, which can be filled in by taking additional samples and shrinking them to fill the gaps. This is similar to frequency doubling in audio processing.
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Mar 20, 2013
I am a Retoucher and I have a new client that sends me 150 - 200 Real Estate photos per day. They shoot the photos so that I have 1 ambient exposure (Background Layer) and 1 flash exposure (Layer 1) which I then blend together with a recipe I designed for their look. I need to find a way to speed up the processing and although my action executes the look exactly how I need it in a very efficient manner the real time killer is the opening & layering steps.
I know this a long shot but my ideal solution would be to drag the folder of images which are sorted and/or labelled in the correct order in to a droplet and from there it processes the images one at a time but layering the files (ambient as "Background" and flash as "Layer 1"), running the action, has a stop-action on lens correction, asks me where to save, closes the image and continues to the next image.
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Aug 4, 2013
New to Adobe, I have had several issues with consumers images. I can not find how to save as jpeg and keep photo intergrity. Either the processer (local pharmacy, big name store.. etc) is cropping my images badly. I have been told this is my problem when I save in jpeg format. How do i protect my image? Resize with the pixels? P
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Feb 8, 2012
I have three (and a half-follow-on) questions on DNG nuances/technical particulars (that are prompted by remarks appearing on the last-updated-about-two-years-ago webpage URL...
First, what (If any) image processing capabilities (such as any further highlight recovery/adjustment, or individual color channel enhancement/ saturation improvement, etc.) are unavailable in Lightroom (LR) or Adobe Camera Raw (ACR) if one opens-with/inputs-or-imports-to LR (or ACR), a Linear DNG (linDNG) image file (which by its ‘linearized’ nature has already had certain image attributes ‘baked’ therein), and what image processing capabilities are fully available in LR/ACR for such a linDNG image in an unrestricted/fully-further-adjustable manner?
Second, is the output file produced by Adobe’s DNG converter when one inputs to it (say) a Nikon NEF raw-image file a (what I refer to as) Raw DNG (rawDNG, akin to those that some camera manufacturers’ cameras are now directly storing on memory cards at image capture), or a linDNG (akin to those produced by various RAW converters such as DxO Optics Pro and Capture One Pro)? If the former, is it possible to apply Adobe’s DNG converter to a linDNG input file (and thereby, effectively, ‘unbake’ whatever settings had earlier been ‘baked’ into that linDNG so that the resulting rawDNG would be once more ENTIRELY/UNRESTRICTEDLY further adjustable in LR/ACR?
Third, if one uses either LR or ACR to open/access/edit a linDNG image file, performs some non-destructive image adjustments on that image with that software platform, and saves the results as a new/differently-named DNG file, will that resulting new DNG file be yet another linDNG-format file, or a rawDNG-format file?
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Feb 13, 2014
I'm experimenting with a digital IR camera. The images are very "magenta" in color and everyone states to simply "swap the Red and Blue" color channels. How can this be done in Paint.net? Is there a plugin that would process IR color pictures?
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Feb 14, 2014
I've edited my photos, resized them all the same and now want to use the "process multiple files" funtion to put a watermark on each image.
In the past this has not been a problem but now when I use this feature, the watermark font size is inconsistent between each image.
I have a 200 photo batch and dont really want to manually put my watermark on it!
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Apr 11, 2013
Using 'PaintX6 64bit Win7
File - Batch Process - Add File - select several files (jpgs or tifs) - Open - Error....
Only first file added to list. Can continue to add files one at a time. Not really good for ,say , downsampling a list of hundreds of image.
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Jul 24, 2013
I need to know how to do the above procedure in lr5 as when i did the processing of one image i saw no tab to click to save the image or move the image or clicking done?
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