You can use the convert command that comes with ImageMagick to extract parts of an image.

Using a command line tool like ImageMagick for image processing may sound a really counter-intuitive thing to do but there’s no need to do everything on a case by case interactive basis. Image resizing and format conversion come to mind here.

It can be used from the command line for quick needs or built into a more complex software suite. This guide will cover some of the most “magical” features of ImageMagick and provide examples of how to use it to solve everyday tasks.

Beginners can enjoy powerful image editing features, batch conversion, and much more with Converseen, a graphical front end for ImageMagick.

Usually when we talk about programs for editing images we think to graphic programs such as The Gimp or photoshop, but they are not the only alternative.

There's nothing quite like command-line tools for handling large batches of tasks, and image manipulations are no exception. Web developers and administrators will appreciate the ability to handle large numbers of files easily, either at the command line or in scripts.

While you might associate working with images with big graphical programs like GIMP or Photoshop, ImageMagick is an entirely different animal. It is a suite of command-line programs for converting and manipulating images.

I’m using LyX to write this article, but Firefox, GIMP, LaTex2RTF, ImageMagick, Apache, MySQL, PHP, Graphviz, bash, GCC and my own 4tH compiler are installed as well. And no, this is not a Linux laptop, it is a Windows XP laptop

The Mogrify program is a member of the ImageMagick suite of tool, use the mogrify program to re-size an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.