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Glossary
©
National Instruments Corporation
G-5
NI 177x Smart Camera User Manual
V
VDC
Volts direct current.
VGA sensor
Video Graphics Array sensor. Image sensor that features a resolution of
640
×
480 pixels.
VI
Virtual Instrument. A combination of hardware and/or software elements,
typically used with a PC, that has the functionality of a classic stand-alone
instrument.
W
white level
The point at which values in the red, green, and blue color planes converge
to produce white.
working distance
The distance from the front of the camera lens to the object under
inspection.