| Input Image | Operations | Output Image |
| rjo.rgb (320x640, color)
(saved using capture from SGI |
Converted to JPEG using imgworks on SGI |  |
|
Convert form RGB to GRAYSCALE image using imgworks |  |
|
<imcrop()> |  |
|
<histeq()> |  |
|
<im2bw()> |  |
|
<bwmorph('erode')> |  |
|
<bwmorph('tophat')> |  |
|
<edge('sobel')> |  |