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These active developers and have made source code contributions to the
ImageMagick project in the last few years:
Principal architect of ImageMagick and still maintains the ImageMagick
Dirk Lemstra
Contributor to and maintainer of Magick++, OpenCL acceleration, and
the Windows build (configure, ImageMagickObject, etc.).
Various patches from Debian downstream.
Fred Weinhaus
Contributed support and documentation for the discrete Fourier transform,
connected component labeling, perceptual hash, kuwahara filter and others.
Also provides scripts that perform some out-of-the ordinary image
processing operations @ He
utilized his scripts as unit tests for ImageMagick version 7 to ensure
version 6 compatibility before its release.
These individuals have made source code contributions to the ImageMagick
project in the past but are no longer active developers:
Glenn Randers-Pehrson
Contributed significantly to the utilities. Authored support for JNG,
MNG, and PNG formats. Provided significant support for the BMP format.
Made significant improvements to the documentation.
Kelly Bergougnoux
Authored the Cineon image coder (based on the existing DPX source).
Nathan Brown
Original author of the JP2 coder.
Siu Chi Chan
Accelerate numerous image filters with OpenCL under AMD, Intel,
and NVidia. Adapted from MulticoreWare OpenCL contribution.
Mike Chiarappa
Created a Borland C++ Builder 6.0 build environment for ImageMagick.
Troy Edwards
Authored the source RPM spec file for ImageMagick.
Jaroslav Fojtik
Authored the CUT, ART, and MATLAB coder modules.
Francis J. Franklin
Ported the WMF coder to the libwmf 0.2 API.
Markus Friedl
Original author of Base64 encode/decode sources.
Bob Friesenhahn
Author of Magick++ (C++ API to ImageMagick). Author of module loader
facility, automatic file identification (magic) support, Unix/Cygwin/MinGW
configure/make facility, Windows setup.exe style installer, WMF renderer,
C API documentation formatter, and the C, C++, and Perl test suites
used by ImageMagick.
David Harr
Contributed (with Leonard Rosenthol) dash pattern, linecap stroking
algorithm, and minor rendering improvements.
Christopher R. Hawks
Authored the PALM coder.
Rick Mabry
Contributed code to support filling drawn objects using a pattern image
and major improvements to the web page (both content and appearance).
Catalin Mihaila
Contributed a ZX-Spectrum SCREEN$ reader.
Chantal Racette, Laurentian University
Sped up Sinc and Blackman filter kernels. EWA resampling code
William Radcliffe
Author of the VisualMagick project configure facility for Visual C++.
Author of FlashPix module. Author of the EMF, XTRN, and META coders.
Significant contributions to the MSL, JPEG, TIFF, SVG, and URL coders.
Authored "process" module support. Wrote the micro-timer facility used
by 'identify'. Ported module loader support to Windows. Significantly
improved polygon rendering performance.
Nicolas Robidoux, Laurentian University
New ellipse clamping method and vertical/horizontal line preserving
filters for EWA resampling. Sped up resampling filter kernels.
Leonard Rosenthol
Authored the 'conjure' utility and associated MSL execution environment.
Provided MacOS support. Authored the CLIPBOARD, XCF, and PSD coders.
Postscript and PDF expertise. Significant drawing enhancements including
support for dash patterns, linecap stroking, clipping masks and a
mask image.
Kyle Shorter
Original author of PerlMagick. Author of the LOCALE coder.
Lars Ruben Skyum
Contributed the -clippath functionality, improved color profile support,
and re-wrote the PS3 coder.
Anthony Thyssen
Designed the ImageMagick 6.0 command line processing with parenthesis,
image sequence operators, and GIF animation processing. Wrote the
image perspective distortions (-distort) and resampling methods.
Maintains a comprehensive set of examples of using ImageMagick at
Milan Votava
Contributed support for Wireless BitMap, used in WAP - Wireless Access
We acknowledge these non-developer contributors to the ImageMagick project:
Hanno Böck
Contributed numerous fuzzed-images that revealed program flaws in
ImageMagick. Additional checks were added to guard against nefarious
image files.
Rod Bogart and John W. Peterson, University of Utah
Image compositing is loosely based on rlecomp of the Utah Raster Toolkit.
Thomas R Crimmins
Inventor of the eight hull algorithm used for speckle reduction.
Michael Halle, Spatial Imaging Group at MIT
Contributed the initial implementation of Alan Paeth's image rotation
Paul Heckbert, Carnegie Mellon University
Image resizing is loosely based on Paul Heckbert's Zoom program.
Peder Langlo, Hewlett Packard
Made hundreds of suggestions and bug reports. Without Peder, this
software would not be nearly as useful as it is today.
David Pensak, E. I. du Pont de Nemours and Company
For providing the computing environment that made developing ImageMagick
Paul Raveling, USC Information Sciences Institute
The spatial subdivision color reduction algorithm is based on his
Img software.
Alvy Ray Smith and Eric Ray Lyons
HWB color transform and algorithm.
Alexander Zimmermann
Responsible for the ImageMagick Linux binary distributions for many years.
His efforts are very much appreciated.