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Glossary
intensity
interlaced
interrupt
interrupt level
IRQ
K
k
K
kbytes/s
Kword
L
line count
LSB
luma
luminance
LUT
IMAQ PCI/PXI-1411 User Manual
The sum of the Red, Green, and Blue primaries divided by three:
(Red + Green + Blue)/3.
A video frame composed of two interleaved fields. The number of lines in
a field are half the number of lines in an interlaced frame.
A computer signal indicating that the CPU should suspend its current task
to service a designated activity.
The relative priority at which a device can interrupt.
Interrupt request. See interrupt.
Kilo. The standard metric prefix for 1,000, or 10
measure such as volts, hertz, and meters.
Kilo. The prefix for 1,024, or 2
computer memory.
A unit for data transfer that means 1,000 or 10
1,024 words of memory.
The total number of horizontal lines in the picture.
Least significant bit.
The brightness information in the video picture. The luma signal amplitude
varies in proportion to the brightness of the video signal and corresponds
exactly to the monochrome picture.
See luma.
Look-up table. Table containing values used to transform the gray-level
values of an image. For each gray-level value in the image, the
corresponding new value is obtained from the look-up table.
10
, used with B in quantifying data or
G-6
3
, used with units of
3
bytes/s.
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