The original picture that I used for most of my tests.
(Random fact: favorite member of my favorite band, if anyone is wondering...)
-input ./images/kookie_bw.jpg -noise 0.5
-input /images/kookie_YNWA.jpg -extractChannel 1
-input /images/kookie_YNWA.jpg -extractChannel 2
-input /images/kookie_YNWA.jpg -extractChannel 0
-input /images/kookie_YNWA.jpg -contrast 0.5
-input /images/kookie_YNWA.jpg -contrast -1.0
-input /images/kookie_YNWA.jpg -crop 800 615 200 200
-input /images/kookie_YNWA.jpg -edgeDetect
-input /images/kookie_YNWA.jpg -randomDither 4
-input /images/kookie_YNWA.jpg -FloydSteinbergDither 4
-input /images/kookie_YNWA.jpg -orderedDither 4
-input /images/kookie_YNWA.jpg -quantize 2
-input /images/kookie_YNWA.jpg -saturation -0.5
-input /images/kookie_YNWA.jpg -saturation 0.5
-input /images/kookie_YNWA.jpg -rotate 45
-input /images/kookie_YNWA.jpg -rotate 90
-input /images/kookie_YNWA.jpg -blur 5
Notes: