National Instruments Image Acquisition Software User Manual

Page 59

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Glossary

NI-IMAQ User Manual

G-8

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National Instruments Corporation

K

k

kilo—the standard metric prefix for 1,000, or 10

3

, used with units of

measure such as volts, hertz, and meters

K

kilo—the prefix for 1,024, or 2

10

, used with B in quantifying data or

computer memory

kbytes/s

a unit for data transfer that means 1,000 or 10

3

bytes/s

Kword

1,024 words of memory

L

library

a file containing compiled object modules, each comprised of one of more
functions, that can be linked to other object modules that make use of these
functions.

line count

the total number of horizontal lines in the picture

LSB

least significant bit

luminance

the brightness information in the video picture. The luminance signal
amplitude varies in proportion to the brightness of the video signal and
corresponds exactly to the monochrome picture.

LUT

look-up table—a selection in the IMAQ Configuration Utility that contains
formulas that let you implement simple imaging operations such as contrast
enhancement, data inversion, gamma manipulation, or other nonlinear
transfer functions

M

m

meters

M

(1) Mega, the standard metric prefix for 1 million or 10

6

, when used with

units of measure such as volts and hertz; (2) mega, the prefix for 1,048,576,
or 2

20

, when used with B to quantify data or computer memory

MB

megabytes of memory

Mbytes/s

a unit for data transfer that means 1 million or 10

6

bytes/s

UM.book Page 8 Monday, July 13, 1998 9:49 AM

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