National Instruments IMAQ Vision for LabWindows TM /CVI - Manual (Page 113)

Glossary
© National Instruments Corporation G-17 IMAQ Vision for LabWindows/CVI User Manual
V
value The grayscale intensity of a color pixel computed as the average of the
maximum and minimum red, green, and blue values of that pixel.
VI Virtual Instrument.
(1) A combination of hardware and/or software elements, typically used
with a PC, that has the functionality of a classic stand-alone instrument.
(2) A LabVIEW software module (VI), which consists of a front panel user
interface and a block diagram program.