\-caption string assign a caption to an image
\-cdl filename color correct with a color decision list
\-channel type apply option to select image channels
+ \-clip clip along the first path from the 8BIM profile
+ \-clip-mask filename associate a clip mask with the image
+ \-clip-path id clip along a named path from the 8BIM profile
\-colors value preferred number of colors in the image
\-colorspace type alternate image colorspace
\-comment string annotate image with comment
\-charcoal radius simulate a charcoal drawing
\-chop geometry remove pixels from the image interior
\-clamp keep pixel values in range (0-QuantumRange)
- \-clip clip along the first path from the 8BIM profile
- \-clip-mask filename associate a clip mask with the image
- \-clip-path id clip along a named path from the 8BIM profile
\-colorize value colorize the image with the fill color
\-color-matrix matrix apply color correction to the image
\-contrast enhance or reduce the image contrast
\-gaussian-blur geometry
reduce image noise and reduce detail levels
\-geometry geometry preferred size or location of the image
+ \-grayscale method convert image to grayscale
\-identify identify the format and characteristics of the image
\-ift implements the inverse discrete Fourier transform (DFT)
\-implode amount implode image pixels about the center
\-level value adjust the level of image contrast
\-linear-stretch geometry
improve contrast by `stretching with saturation' the intensity range
+ \-magnify double the size of the image with pixel art scaling
\-median geometry apply a median filter to the image
\-mode geometry make each pixel the 'predominant color' of the neighborhood
\-modulate value vary the brightness, saturation, and hue