Add the package with
ImageMagick will be used as needed if you've said
in your session or module. You should not generally say
using ImageMagick. See FileIO for
It's worth pointing out that packages such as Images.jl load FileIO for you.
Loading an image is then as simple as
img = load(filename[; view=false])
view=true to reduce memory consumption when loading large files, possibly
at some slight cost in terms of performance of future operations.
The environment variable
MAGICK_THREAD_LIMIT can be used to throttle multithreading.