GitHub - ImageMagick/ImageMagick: ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and offers powerful command-line tools and APIs for automation, scripting, and integration across platforms.
is a free and
software suite, used for editing and manipulating digital images. It can be used to create, edit, compose, or convert bitmap images, and supports a wide range of file
, including JPEG, PNG, GIF, TIFF, and PDF.
What is ImageMagick?
ImageMagick is widely used in industries such as web development, graphic design, and video editing, as well as in scientific research, medical imaging, and astronomy. Its versatile and customizable nature, along with its robust image processing capabilities, make it a popular choice for a wide range of image-related tasks.
ImageMagick includes a command-line interface for executing complex image processing tasks, as well as APIs for integrating its features into software applications. It is written in C and can be used on a variety of operating systems, including Linux, Windows, and macOS.
The main website for ImageMagick can be found at
. The source code for this software can be accessed through a
. In addition, we maintain a legacy version of ImageMagick
.
Creating a security policy that fits your specific local environment before making use of ImageMagick is highly advised. You can find guidance on setting up this
. Also, it's important to verify your policy using the
.
Features and Capabilities
One of the key features of ImageMagick is its support for scripting and automation. This allows users to create complex image manipulation pipelines that can be run automatically, without the need for manual intervention. This can be especially useful for tasks that require the processing of large numbers of images, or for tasks that need to be performed on a regular basis.
In addition to its core image manipulation capabilities, ImageMagick also includes a number of other features, such as support for animation, color management, and image rendering. These features make it a versatile tool for a wide range of image-related tasks, including graphic design, scientific visualization, and digital art.
Overall, ImageMagick is a powerful and versatile software suite for displaying, converting, and editing image files. Its support for scripting and automation, along with its other features, make it a valuable tool for a wide range of image-related tasks.
Here are just a few
of what ImageMagick can do:
: non-linear, edge-preserving, and noise-reducing smoothing filter.
: non-linear, edge-preserving, and noise-reducing smoothing filter.
: accurate color management with color profiles or in lieu of-- built-in gamma compression or expansion as demanded by the colorspace.
force all pixels in the color range to white otherwise black.
utilize ImageMagick from the command-line.
bidirectional text support and shaping.
: overlap one image over another.
: uniquely label connected regions in an image.
smallest area convex polygon containing the image foreground objects. In addition, the minimum bounding box and unrotate angle are also generated.
: add a border or frame to an image.
: Canny edge detection, mean-shift, Hough lines.
: implements the forward and inverse
.
: offload intermediate pixel storage to one or more remote servers.
: add shapes or text to an image.
: convert ordinary images into unintelligible gibberish and back again.
: convert an image from one
to another (e.g. PNG to JPEG).
: correct for, or induce image distortions including perspective.
Heterogeneous distributed processing
: certain algorithms are OpenCL-enabled to take advantage of speed-ups offered by executing in concert across heterogeneous platforms consisting of CPUs, GPUs, and other processors.
: accurately represent the wide range of intensity levels found in real scenes ranging from the brightest direct sunlight to the deepest darkest shadows.
use adaptive histogram equalization to improve contrast in images.
: secure methods and tools to cache images, image sequences, video, audio or metadata in a local folder.
: apply a mathematical expression to an image or image channels.
: create a gradual blend of one color whose shape is horizontal, vertical, circular, or elliptical.
: describe the format and attributes of an image.
: convert, edit, or compose images on your iPhone.
: read, process, or write mega-, giga-, or tera-pixel image sizes.
: juxtapose image thumbnails on an image canvas.
: extract features, describe shapes and recognize patterns in images.
: read and write the common image formats used in digital film work.
: support multispectral imagery up to 64 bands.
Kuwahara Filter, mean-shift.
: maps visually identical images to the same or similar hash-- useful in image retrieval, authentication, indexing, or copy detection as well as digital watermarking.
: blur, sharpen, threshold, or tint an image.
: insert descriptive or artistic text in an image.
: ImageMagick is thread safe and most internal algorithms are OpenMP-enabled to take advantage of speed-ups offered by multicore processor chips.
: resize, rotate, deskew, crop, flip or trim an image.
: render portions of an image invisible.
: convenient access to pixels outside the image region.
, demonstrates how to use the software from the
to achieve various effects. There are also several scripts available on the website called
, which can be used to apply geometric transforms, blur and sharpen images, remove noise, and perform other operations. Additionally, there is a tool called
that allows users to access the functionality of ImageMagick without having to install the software on their own systems. Finally, the website also includes a
with tips and examples for using ImageMagick on Windows systems.
News
Creating a security policy that fits your specific local environment before making use of ImageMagick is highly advised. You can find guidance on setting up this
. Also, it's important to verify your policy using the
. As of ImageMagick version 7.1.1-16, you can choose and customize one of these
: Open, Limited, Secure, and Websafe.
By default, ImageMagick supports up to 32 channels. As of ImageMagick version 7.1.1-16, you can enable up to 64 channels by adding the --enable-64bit-channel-masks option to the Linux configure build script. For Windows this will be enabled automatically.
Want more performance from ImageMagick? Try these options:
add more memory to your system, see the
;
add more cores to your system, see
;
reduce lock contention with the
memory allocation library;
push large images to a solid-state drive, see
.
If these options are prohibitive, you can reduce the quality of the image results. The default build is Q16 HDRI. If you disable
, you use half the memory and instead of predominantly floating point operations, you use the typically more efficient integer operations. The tradeoff is reduced precision and you cannot process out of range pixel values (e.g. negative). If you build the Q8 non-HDRI version of ImageMagick, you again reduce the memory requirements in half-- and once again there is a tradeoff, even less precision and no out of range pixel values. For a Q8 non-HDRI build of ImageMagick, use these configure script options: --with-quantum-depth=8 --disable-hdri.