"-seed value seed a new sequence of pseudo-random numbers",
"-set attribute value set an image attribute",
"-quality value JPEG/MIFF/PNG compression level",
+ "-similarity-threshold value",
+ " minimum distortion for (sub)image match",
"-size geometry width and height of image",
"-subimage-search search for subimage",
"-transparent-color color",
define one or more image format options
\-density geometry horizontal and vertical density of the image
\-depth value image depth
+ \-dissimilarity-threshold value
+ maximum distortion for (sub)image match
\-encipher filename convert plain pixels to cipher pixels
\-extract geometry extract area from image
\-format "string" output formatted image characteristics
horizontal and vertical sampling factor
\-seed value seed a new sequence of pseudo-random numbers
\-set attribute value set an image attribute
+ \-similarity-threshold value
+ minumum distortion for (sub)image match
\-size geometry width and height of image
\-subimage-search search for subimage
\-synchronize synchronize image to storage device