National Instruments IMAQTM 用户手册

Index

© National Instruments Corporation

I-3

IMAQ Vision for Visual Basic User Manual

documentation

conventions used in manual, ix
NI resources, A-1
related documentation, x

drivers

NI resources, A-1
NI-IMAQ, xi

E

edge detection, 5-3

finding features, 5-9

edge points, finding along multiple search

error map, learning, 6-8
evaluating color content of an image, 3-9
examples (NI resources), A-1

F

features, finding with edge detection, 5-9
FFT, 2-11
files, reading, 2-6
filtering

grayscale features, 2-10
images, 2-9, 2 -10

filters, FFT, 2-11
finding

circles, 5-10
edge points along multiple search

edge points along one search

features with edge detection, 5-9
lines, 5-10
measurement points, 5-9
points along the edge of a circle, 5-10
points using color pattern matching, 5-19
points using pattern matching, 5-12
points with color location, 5-25

Free Region tool, 3-3

Freeline tool, 3-3

G

geometrical measurements, 5-27
granularity

specifying requirements for learning a

using color sensitivity to control, 5-23

grayscale features, filtering, 2-10
grayscale morphology, filtering grayscale

grayscale statistics, measuring, 3-6

H

help, technical support, A-1
highpass

attenuation, 2-12
filter, 2-9

I

image mask, 3-6
images

acquiring, 2-4
attaching calibration information,

calibrating, 2-2
complex, 2-12
creating, 2-2
displaying, 2-6
evaluating color content, 3-9
filtering, 2-9, 2 -10
filtering grayscale features, 2-10
highlighting details using LUTs, 2-9
improving, 2-9
measuring, 5-26
reading, 2-4
signal-to-noise ratio, 2-9
transitions, 2-9