\-channel mask set the image channel mask
\-charcoal radius simulate a charcoal drawing
\-chop geometry remove pixels from the image interior
+ \-clahe geometry contrast limited adaptive histogram equalization
\-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
\-channel mask set the image channel mask
\-charcoal radius simulate a charcoal drawing
\-chop geometry remove pixels from the image interior
+ \-clahe geometry contrast limited adaptive histogram equalization
\-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