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© 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
contours, 5-12
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
contours, 5-12
edge points along one search
contour, 5-11
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
color, 3-12
using color sensitivity to control, 5-23
grayscale features, filtering, 2-10
grayscale morphology, filtering grayscale
features, 2-10
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,
2-7, 6-10
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