National Instruments IMAQTM 用户手册
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G-1
Glossary
Numbers
1D
One-dimensional.
2D
Two-dimensional.
3D
Three-dimensional.
A
AIPD
The National Instruments internal image file format used for saving
complex images and calibration information associated with an image
(extension APD).
complex images and calibration information associated with an image
(extension APD).
alignment
The process by which a machine vision application determines the location,
orientation, and scale of a part being inspected.
orientation, and scale of a part being inspected.
alpha channel
The channel used to code extra information, such as gamma correction,
about a color image. The alpha channel is stored as the first byte in the
four-byte representation of an RGB pixel.
about a color image. The alpha channel is stored as the first byte in the
four-byte representation of an RGB pixel.
area
(1) A rectangular portion of an acquisition window or frame that is
controlled and defined by software.
controlled and defined by software.
(2) The size of an object in pixels or user-defined units.
arithmetic operators
The image operations multiply, divide, add, subtract, and modulo.
array
An ordered, indexed set of data elements of the same type.
auto-median function
A function that uses dual combinations of opening and closing operations
to smooth the boundaries of objects.
to smooth the boundaries of objects.
B
b
Bit. One binary digit, either 0 or 1.
B
Byte. Eight related bits of data, an eight-bit binary number. Also denotes
the amount of memory required to store one byte of data.
the amount of memory required to store one byte of data.