| Input Image | Operations | Output Image |
| face.rgb by Jiqun Wang (320x640, color)
(saved using capture from SGI |
Converted to JPEG using imgworks on SGI (scaled down by .5) |  |
|
Convert form RGB to GRAYSCALE image using imgworks |  |
|
imcrop(face2.tif) |  |
| Historgram Equalization temp=hiseq(face2) |  |
| temp=im2bw(ii, .1) |  |
 | temp=imnoise(ii, 'gaussian') |  |
 | temp=imnoise(ii, 'salt & pepper') |  |
 | temp=ones(5,1); new =erode(old, temp); |  |
| etc. |