Omron V440-F User Manual page 419

Appendices
Open (Connect Dark)
Open removes minor light defects of dark cells by performing a Dilate function followed by an Erode
function.
Close (Separate Dark)
Close removed minor dark defects of light cells by performing an Erode function followed by a Dilate
function.
K-7-2 Operator Size
Definition:
Serial Cmd:
Default:
Options:
K-10
Operator Size determines the size of the area or "pixel neighborhood"
(measured in pixels) in which the morphological operation is being performed.
<K551,0,morphological operation,operator size>
Small
3 = Small (3 pixels by 3 pixels)
5 = Medium (5 pixels by 5 pixels)
7 = Large (7 pixels by 7 pixels)
V440-F C-Mount Code Reader User Manual