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© National Instruments Corporation G-3 NI-IMAQdx User Manual
GigE Vision A camera interface standard developed using the Gigabit Ethernet
communication protocol.
grab Performs an acquisition that loops continually on one buffer. You obtain a
copy of the acquisition buffer by grabbing a copy to a separate buffer that
can be used for analysis.
H
hardware abstraction
layer
Separates software API capabilities, such as general acquisition and control
functions, from hardware-specific information.
hue Represents the dominant color of a pixel. The hue function is a continuous
function that covers all the possible colors generated using the R, G, and
B color spectrum. See also RGB.
I
I/O Input/Output—The transfer of data to/from a computer system involving
communications channels, operator interface devices, and/or data
acquisition and control interfaces.
IEEE Institute of Electrical and Electronics Engineers.
internal buffer A page-locked buffer. See also page-locked buffer.
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.
little endian Describes computers that store bytes of memory by placing the least
significant byte at the memory location with the lowest address, the second
least significant byte at the next memory location, and so on.
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.