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National Instruments Image Acquisition Software User Manual

Page 64

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Glossary

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National Instruments Corporation

G-13

NI-IMAQ User Manual

VSYNC

vertical sync signal—the synchronization pulse generated at the beginning
of each video field that tells the video monitor when to start a new field

VSYNCIN

vertical sync in signal

W

white reference level

the level that defines what is white for a particular video system
See also black reference level.

Y

YUV

a representation of a color image used for the coding of NTSC or PAL video
signals. The luminance information is called Y, while the chrominance
information is represented by two components, U and V representing the
coordinates in a color plane.

UM.book Page 13 Monday, July 13, 1998 9:49 AM