All Questions
Tagged with imagemagick-convert jpeg
25
questions
0
votes
1
answer
58
views
Convert(ImageMagick) killed when batch processing jpgs
Linux CentOS7
Version: ImageMagick 6.9.11-22 Q16 x86_64 2020-06-29 https://imagemagick.org
I have a script that converts a set of jpgs into another set of jpgs.
convert -strip -interlace Line -resize ...
- 101
1
vote
1
answer
75
views
ImageMagick cropping with the incorrect dimension
I tried with cropping images to 5862x367. However, it crops to 367x5862. I tried the following code:
convert -crop 5862x367+0+0 +repage "/Users/ramakrishnanbalakrishnan/sites/img/test_in.JPG&...
- 53
2
votes
1
answer
1k
views
How to convert PNG to JPEG losslessly?
I've converted PNG to JPEG with both java and python PIL.
Python code :
from PIL import Image
img = Image.open('input.png')
img.save('output.jpg', 'JPEG', quality=100)
For converting the Java code ...
- 23
0
votes
1
answer
520
views
PHP imagick - Convert eps to jpg but poor quality
I'm trying to convert and resize eps files into jpg. I use php imagick for this.
After converting the quality is very bad.
my eps you can download here:
https://www.file-upload.net/download-14285439/...
- 3
1
vote
1
answer
443
views
jpg to eps conversion inverts colors
I'm trying to convert some CMYK images from jpg to eps using convert image.jpg -format esp3 image.eps. The resulting file appears to invert or mangle the color information.
Sample of the original ....
- 150
1
vote
1
answer
697
views
A portrait photo (JPG) is turned sideway after imagemagick converts it to a png file. How to stop this change of orientation?
The original photo looks like this:
I convert the it to png using this command:
convert -strip -quiet -limit memory 2072580096 -quality 100 -alpha off -density 165% -scene 1 -colorspace sRGB ...
- 40.1k
0
votes
1
answer
1k
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What deskew value to use for ImageMagick convert for a counterclockwise deskew of 5 degrees?
I need a counter-clockwise deskew of 5 degrees on a jpg image. I want to do this with the program convert of the ImageMagick tool suite. I thus need a command like:
convert '2 skewed jpg/p. 2.jpg' -...
7
votes
4
answers
3k
views
Storing jpg images into a pdf file in a "lossless" way
Given a directory with several jpg files (photos), I would
like to create a single pdf file with one photo per page.
However, I would like the photos to be stored in the pdf file unchanged; i.e., I ...
- 258
1
vote
1
answer
821
views
Does auto-orient in Imagemagick rotate image pixels?
I want to know what does following Imagemagick command exactly does:
convert input.jpg -auto-orient out.jpg
Does it just read and update exif ?
Or does it also rotate the pixels present in the image?...
0
votes
1
answer
70
views
Convert .png into "lossy" .pdf
I would like to convert a .png into a .pdf (I guess it's actually being embedded) whilst reducing the filesize. So I thought, jpeg-compression might be a good choice. So far it works well with ...
- 508
2
votes
0
answers
228
views
Trouble with converting large pdf's
When using a command to convert a multi-page PDF into multiple .jpg's I get this error:
convert.exe: DistributedPixelCache '127.0.0.1' @ error/distribute-cache.c/ConnectPixelCacheServer/242.
convert....
- 21
0
votes
1
answer
2k
views
imagemagick throws converter errors for jpg
I'm attempting to use graphicsmagick with imagemagick to resize some jpg and png images. The png images work great, but anytime a jpg image is downloaded or saved i get an error.
I am running this ...
1
vote
1
answer
680
views
ImageMagick jpeg quality extremely low
I have the following image 188_f.jpg:
And the following code:
<?php
$ss = "convert 188_f.jpg -quality 95% -set colorspace RGB -colorspace CMYK 188_f_cmyk.jpg 2>&1";
echo ">" . $...
- 8,142
0
votes
1
answer
10k
views
imagemagick -- convert: no decode delegate for this image format `TIFF'
I'm trying to convert an image "img.tif" to "img.jpg" with the following command:
convert img.tif img.jpg
And this error arises:
convert: no decode delegate for this image format `TIFF' @ error/...
- 4,280
0
votes
2
answers
366
views
ImageMagik "convert" function can't crop more than 300 files at once
I am working on creating a video timelapse. All the photos I took are .jpg images shot at 4:3 aspect ratio. 2592x1944 resolution. I want them to be 16:9 at 1920x1080.
I have written a little script ...
- 1,437