compare - mathematically and visually annotate the difference between an image and its reconstruction.



Image Settings: -authenticate value decrypt image with this password -channel type apply option to select image channels -colorspace type alternate image colorspace -compose operator set image composite operator -compress type type of pixel compression when writing the image -decipher filename convert cipher pixels to plain pixels -define format:option define one or more image format options -density geometry horizontal and vertical density of the image -depth value image depth -encipher filename convert plain pixels to cipher pixels -extract geometry extract area from image -format "string" output formatted image characteristics -fuzz distance colors within this distance are considered equal -identify identify the format and characteristics of the image -interlace type type of image interlacing scheme -highlight-color color emphasize pixel differences with this color -limit type value pixel cache resource limit -lowlight-color color de-emphasize pixel differences with this color -metric type measure differences between images with this metric -monitor monitor progress -profile filename add, delete, or apply an image profile -quality value JPEG/MIFF/PNG compression level -quiet suppress all warning messages -quantize colorspace reduce colors in this colorspace -regard-warnings pay attention to warning messages -sampling-factor geometry horizontal and vertical sampling factor -seed value seed a new sequence of pseudo-random numbers -set attribute value set an image attribute -size geometry width and height of image -transparent-color color transparent color -type type image type -verbose print detailed information about the image -virtual-pixel method virtual pixel access method Miscellaneous Options: -debug events display copious debugging information -help print program options -log format format of debugging information -list type print a list of supported option arguments -version print version information By default, the image format of `file' is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). Specify 'file' as '-' for standard input or output.



Copyright (C) 1999-2010 ImageMagick Studio LLC. Additional copyrights and licenses apply to this software, see file:///usr/share/doc/imagemagick/www/license.html or http://www.imagemagick.org/script/license.php