All Questions
Tagged with gimp imagemagick
52 questions
0
votes
0
answers
29
views
Replay image transformation
I regularly need to merge 3 or more images into one, where one image is the base and the other images are added as overlays and are transformed to fit the base image using the cage transform tool in ...
- 149
0
votes
2
answers
188
views
Imagemagick results of +transparent (remove all colors but one) produces color residues
I have images generated. It's pixel-perfect images (no interpolation, 1 pixel=1color, 5 colors only, etc.)
I want to separate each color in different files, so I use ImageMagick CLI commands to obtain ...
- 35
1
vote
0
answers
67
views
GIMP script-fu to ImageMagic conversion
I have written the following GIMP script-fu function to remove lens distortion from an image using the lens-distortion-plugin. I execute this script through a command line function from my main python ...
- 788
0
votes
1
answer
635
views
Create .tiff image with both transparency channel and alpha channel
By setting a .tiff file "tiff:alpha" tag to either unspecified or unassociated I can have photoshop display it's alpha channel as either a premultiplied transparency or a seperate alpha ...
1
vote
1
answer
284
views
Magick equivalent of GIMP Hue-Chroma transformation
Using Gimp, given an input image, I can improve its contrast using Colors > Hue Chroma... by setting Chroma=50 (in a scale between -100 and 100) and leaving Hue=0 and Lightness=0. So it appears I'm ...
- 27
0
votes
1
answer
363
views
Merging Images Vertically in Multipe of 2
I have a situation where from a folder , I would like to merge 1 and 2 nd image vertically , 3rd and 4th Image vertically and so forth .
I have searched and found that Image magic does merging of ...
- 101
1
vote
2
answers
372
views
How to call an external command in Gimp Plugin?
How to use an external command to make an edit of pic in the gimp and then return the result to the stage in a plugin or script.
Example in shell script.:
magick label.gif +matte
( +clone -shade ...
1
vote
2
answers
258
views
Gimp AutoInputLevels in ImageMagick
I am trying to recreate Gimp's AutoInputLevels (Colors>Levels>AutoInputLevels) in Imagemagick (need to batch process 1000 files). This is for an infrared image. I tried contrast_stretch, ...
- 1,390
0
votes
1
answer
268
views
How to reorient (shift/offset) spherical (360-deg) images via command line with e.g. Imagemagick or The GIMP?
I'm installing a remote network of spherical/360-degree cameras and need to have the images they produce all aligned with something (north). The problem is, the cameras might end up being mounted ...
- 120
0
votes
1
answer
442
views
How to change a single colour in an image when converting to a png?
Goal: convert an icon (single-colour, black, with transparent background) from either an svg or xcf, to a png and change the colour of the icon (e.g. black becomes white or a specified hex colour).
...
- 1,295
1
vote
0
answers
1k
views
convert image to Indexed black and white (1-bit) palette linux
I'm trying to convert (several) PNG files to an indexed black and white (1-bit) palette image in linux via a bash script (or C code). If I use Gimp and take menu options Image, Mode, Indexed
I get ...
- 47
1
vote
2
answers
101
views
Filling the gaps made in chinese character due to line removal for ocr
Hello friends,
I have a hard time to ocr the above image due to the gaps that were made due to line removal.So could anyone kindly guide me on how to fill the gaps in chinese character using ...
- 23
0
votes
1
answer
509
views
ImageMagick command line to extract Gimp entered Metadata info
Using the Gimp Metadata Editor (Image > Metadata > Edit Metadata) the users can insert info into the files.
I assume that with some ImageMagick command line I can extract this info. I have not been ...
- 4,941
3
votes
1
answer
772
views
ImageMagick chop to remove whitespace rows in image
Trying to remove white space rows in an image:
I tried :
convert image_name.png -chop 110x170 + 240x300 chopped.png
as pixels 110-170 and 240-300 need to be cut.
The resulting image should retain ...
- 854
0
votes
0
answers
1k
views
pdf to png conversion of latex generated plot
I have a bunch of pdf (plots generated using pgf in pdflatex) files that I would like to convert to png files. So far I've tried the following:
1) ImageMagick
convert -density 500 a.pdf -quality 90 ...
- 11
0
votes
1
answer
554
views
ImageMagick: Is there an equivalent of Gimp's tool to "shrink" and "grow" a selection?
I have a black and white mask image produced with this ImageMagick command:
convert in.jpg -threshold 85% out.png
Giving me this result:
I'd like to reduce the size of each piece like if I was ...
- 8,320
0
votes
2
answers
541
views
Subtract a value from the Red channel only
Is there any easy way to subtract a value from the red channel? For example, let's say a pixel has RGB(140, 30, 50), I would like to see subtract 100 from red channel only, hence giving RGB(40, 30, ...
- 2,289
1
vote
1
answer
524
views
How can I make this GIMP/ImageMagick script?
I'm using GIMP to do a simple but tedious operation for many images so I'd like to know how I can make a script that will do it for me, or find some simpler way of doing this.
I import an image file ...
user9728650
1
vote
4
answers
344
views
How do I circle select and crop with fu script?
I am trying to expedite the process of cropping a bunch of images using fu scripts. All the images will get cropped identically. I need to select a circle that is centered on the image and then crop ...
- 605
-2
votes
1
answer
283
views
How to automate image slicing process in Linux?
Input image
I need as following,
output explanation
Output scheme
Following steps needed to be done.
Process the input image
Split the image into more images based on the gap between the ...
0
votes
2
answers
664
views
Linux batch (gimp, imagemagick) add background image to series of transparent pngs
is it possible to add a different background image to a series of transparent pngs?
Like: convert sourceimage.png -background BackgroundPicture -flatten destinationimage.png
Of course the ...
- 19
1
vote
2
answers
1k
views
Graphics program that will generate a common palette from multiple jpgs
gimp has the ability to generate a palette from a loaded image. I am looking to have all images (i am not necessarily the author of these pictures) share a common palette since this makes it easier ...
- 11
1
vote
1
answer
260
views
How to cut off center part of images batch (imagemagick or mogrify)
I've been trying to apply a batch modification for a while and couldn't find anything helpful, maybe because I don't have the right words to explain what I want to do. So here's an image I think is ...
- 85
2
votes
2
answers
753
views
Copy a circle of image A into image B
I have two images:
a.jpg
b.jpg
Both images are square (100x100 pixel). I want to cut a circle with a radius of 50 from image a.jpg and paste it in the middle of image b.jpg. I want to save the ...
- 8,298
0
votes
1
answer
814
views
Making half an image transparent from the command line
I don't really know where to start with this one. I'm trying to do something that I thought would be relatively simple to accomplish with imagemagick, but I don't know the exact command to start with. ...
user5037156
0
votes
1
answer
76
views
Hole filling of color pictures [closed]
I would like to perform some image editing by removing annoying element on these image such as electric poles, grids, ... (pic. 1)
The amount of edits to perform is quite significant and I wonder if ...
- 2,721
0
votes
0
answers
118
views
How to create an image from font style
I need to create multiple images for each and every character of a specific font. For instance, I want to create separate images of size say 32x32 for all characters of english alphabet with Times New ...
- 727
0
votes
0
answers
351
views
Gimp index-colors vs ImageMagick in terms of image size?
I made a small image using imagemagick, this image has only 2 colors (alpha + some other color) so I want to turn in into index-color mode.
Once I finish the image, I run the command
convert file....
- 1,494
3
votes
1
answer
4k
views
Converting tiff to mode 1 bit images
Is it possible to convert a tiff image to mode 1-bit image using command line tools. I saw it can be done with gimp but I need to run a script so I prefer a solution using packages like imagemagick ...
- 470
1
vote
1
answer
97
views
Specifying image dimensions like Gimp in ImageMagick
I am editing an image in Gimp with dimensions and size specified as below.
How to use the same parameters in ImageMagick? (I tried something like below, but unable to get the desired output):
...
- 11
1
vote
0
answers
413
views
Gradle Dependency using Make
I decided to give Gradle a shot in my latest project which is featuring graphics I create using gimp.
I use git for my project and I refuse to commit exportet .png-graphics in my repository. Instead ...
- 619
5
votes
1
answer
2k
views
Writing a basic PostScript script by hand
I wanted to try and manually code a PostScript file. Why? Why not. From Wikipedia, I copied and pasted their basic Hello World program for PostScript which is:
%!PS
/Courier % name the ...
- 19.6k
0
votes
2
answers
1k
views
Creating a multi layered psd file with "editable text" using command line
I am trying to create a PSD file using command line (linux/osx).
Example:
I have 5 blocks of text
"hello"
"this"
"is"
"an"
"example"
I need a way to take these 5 blocks of text and generate a psd ...
- 13
2
votes
1
answer
3k
views
PHP GD imagejpeg: output file size is bigger size than original
The following script is supposed to create an image with lower quality and so smaller file size (kb), instead it create an image with lower quality but bigger file size.
On my test the original is ...
- 5,654
13
votes
3
answers
9k
views
ImageMagick "color to alpha" (like The GIMP)
I'm trying to do what The GIMP does when selecting "color to alpha" with an actual colour.
I've got an image that has the color #a0132e in it, and I want that converted to transparency. Not only that ...
- 285
1
vote
1
answer
1k
views
Adding border to multiple images using gimp?
I have around 100 pictures that i want to add white border to it all at once.
I use Linux and also use gimp ,.. please suggest me something to do so online of offline.
and one more thing that i have ...
- 109
17
votes
3
answers
5k
views
Split image into parts
Is there anything in imagemagick or gimp or other linux compatible tool what can automatically detect individual objects on image and either return some location of object or store each object as ...
- 22.5k
2
votes
1
answer
7k
views
Import vector graphics from PDF to GIMP
I need to extract vector graphics from a PDF image and import them into GIMP, either as paths or as high-resolution raster images. Specifically, I need to get contour lines from USGS topographical ...
- 63
7
votes
1
answer
1k
views
TIFF plot generation and compression: R vs. GIMP vs. IrfanView vs. Photoshop file sizes
I generated some high resolution publication quality plots for example
library(plot3D)
Volcano<-volcano
zf=10 #zoom factor
tiff("Volcano.tif", width=1800*zf, height=900*zf, res=175*zf, ...
- 10.6k
0
votes
2
answers
5k
views
Convert XWD to PNG via command line on Windows
I have a script that generates an XWD file which needs to be converted to a PNG file.
When attempting to convert this with ImageMagick, I get the following output. I've found the delegate download ...
- 567
3
votes
3
answers
2k
views
ImageMagick: Possible to remove middle in picture?
Question
As an example, is there an easy way to crop away the o's in the Google logo (knowing their coordinates in advance)?
The result should then be "Ggle" with a smaller image width than the ...
- 25.9k
0
votes
1
answer
346
views
Accessing the tools like gimp(installed at server) from client
I want to create an web application through which i have to access tools like Gimp for my image processing. Is it possible to manage my need with client-server (Gimp at server) approach?
I am not ...
- 5,023
1
vote
1
answer
3k
views
How to remove watermark from TIFFs to improve OCR
I have a bunch of uncompressed bitonal TIF document images. All of them have a watermark in the middle. When I run them through OCR, the text that overlaps with the watermark does not get recognized. ...
- 5,927
3
votes
4
answers
14k
views
Given a pair of images, how to automatically create an animation sequence morphing one image into the other?
Is there a programmatic way to convert two images into an animation sequence (e.g., an animated GIF) like the following example?
This image sequence, taken from a http://memrise.com course, doesn't ...
- 6,887
2
votes
1
answer
1k
views
How can I change lightness hue and partially desaturate an image in ImageMagick?
I have a PNG which (besides a white spot and transparency in the background) is a pretty straight blue.
I would like to use convert from ImageMagick to partially desaturate it, so that I can create ...
- 5,963
7
votes
2
answers
616
views
Is there a way to make a script that automatically corrects scanned documents?
I often scan handwritten documents to send to colleagues, and need to make corrections to the digital file once it's scanned. (For example, I change mistakes I made on the original document to white.)
...
- 2,627
8
votes
4
answers
16k
views
Convert image to indexed color with custom palette through console
I have image.png in truecolor,
palette.png (N colors, where N>256) or text file, where list RGB color palette.
How to get a picture with this palette?
If I use imagemagick:
convert image.png -remap ...
- 173
1
vote
1
answer
509
views
Image resizing, maintaing image size - beginner question
Im attempting to resize an image from 480x800 to 320x240. Below are the results. The original image has an oval shaped circle whereas the resized image has a more spherical shape. Is it possible to ...
- 53.7k
2
votes
2
answers
2k
views
How to downsize, scale, and colour-reduce PNGs at the command line? (Linux, Makefile)
From within a Makefile I like to reduce the size of PNGs.
I tried first ImageMagick, but while I could resize (down) the images and reduce their colours to 32 (or the depth to 5 bits), the actual ...
- 21
1
vote
1
answer
2k
views
ImageMagick - Transparent background - Act like Photoshop's "Magic wand"
I'm trying to convert hundreds of images that
Have an unknown subject centered in the image
Have a white background
I've used ImageMagick's convert utility in the following way
convert ORIGINAL.jpg ...
- 15.9k