National Instruments IMAQ Vision for LabWindows TM /CVI User Manual

Page 116

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Index

© National Instruments Corporation

I-3

IMAQ Vision for LabWindows/CVI User Manual

error maps, learning, 6-8
examples (NI resources), A-1
external windows, displaying images, 2-7
extracting, planes of color images, 3-8

F

Fast Fourier Transform, 2-12
features, finding in images, 5-13
FFT, 2-12
filtering

grayscale features of an image, 2-11
images, 2-10

filters

convolution, 2-11
highpass, 2-10
lowpass, 2-10
Nth order, 2-11

finding

image features, 5-13
points using color location, 5-25
points using color pattern matching, 5-19

frequency domains, converting images, 2-12
function tree

IMAQ Machine Vision, 1-3
IMAQ Vision, 1-2

function types (table)

IMAQ Machine Vision, 1-3
IMAQ Vision, 1-2

G

getting

center of energy for an image, 3-7
image statistics, 3-7

grayscale morphology, 2-11
grayscale statistics, measuring, 3-7

H

help, technical support, A-1
highpass

attenuation, 2-13
filters, 2-10
truncation, 2-13

holes, filling in particles, 4-3

I

identifying, parts, 5-28
ignoring, learned colors, 3-13
image masks, defining, 3-6
image quality, 2-8
images

acquiring, 2-5
analyzing, 2-8
analyzing components, 3-7
applying LUTs, 2-10
attaching calibration information, 2-8
calibrating, 6-1
comparing color content, 3-9
computing the energy center, 3-7
computing the energy center of an ROI in

an image, 3-7

converting 2D arrays to images, 2-5, 2-7
creating, 2-2
creating binary images, 4-1
defining template images, 5-13
destination, 2-4
detecting edges, 5-9
displaying, 2-7
extracting planes, 3-8
filtering, 2-10
filtering grayscale features, 2-11
finding features, 5-13
getting statistics, 3-7
getting the center of energy, 3-7
ignoring learned colors, 3-13
improving, 2-9

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