152
154
\-median radius apply a median filter to the image
153
155
\-modulate value vary the brightness, saturation, and hue
154
156
\-monochrome transform image to black and white
158
162
\-noise radius add or reduce noise in an image
159
163
\-normalize transform image to span the full range of colors
160
164
\-opaque color change this color to the fill color