Glossary
G-6
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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.
L
line count
The total number of horizontal lines in the picture.
LSB
Least significant bit.
luma
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.
luminance
See
luma.
LUT
Lookup 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 lookup table.
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
Megabyte of memory.
Mbytes/s
A unit for data transfer that means 1 million or 10
6
bytes/s.
memory buffer
See
memory window
Continuous blocks of memory that can be accessed quickly by changing
addresses on the local processor.
MSB
Most significant bit.