Basic image commands

  

This command attempts to convert some image into another format as well as possible.

This command crops an area out of the image for later processing.

This command converts a given image to matrix presentation (see Section 2.17.1 for further details).

Example (ex6.1):

NDA> loadimg 003.gif pict1
# masking 
NDA> matrix mask.real [0, -1, 0; -1, 4, -1; 0, -1, 0]
# grayscale - pictures 
NDA> cnvimg -in pict1 -out pict -gray
# convert image to matrix
NDA> convmatrix -in pict -out matrix
...