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© National Instruments Corporation I-1 IMAQ Vision for Visual Basic User Manual
Index
Numerics
1D barcodes, 5-29
reading, 5-29
A
acquiring images, 2-4
continuous acquisition, 2-5
one-shot acquisition, 2-4
Acquisition Type combo box, 2-4
ActiveX objects, 1-5
adding shapes to ROIs, 3-5
analyzing images, 2-7, 2-8
Annulus tool, 3-2
Application, 1-6
application development
general steps, 1-6
inspection steps, 1-7
arrays, converting to images, 2-6
attaching calibration information to images,
2-7, 6-10
attenuation
highpass, 2-12
lowpass, 2-12
B
barcodes
reading, 5-29
reading 1D, 5-29
reading data matrix barcodes, 5-30
reading PDF417 barcodes, 5-31
binary images, improving, 4-2
Broken Line tool, 3-2
building
coordinate transformation with edge
detection, 5-3
coordinate transformation with pattern
matching, 5-5
building coordinate transformations, 5-7
choosing a method, 5-7
C
calibrating images, 2-2, 6-1
calibration
nonlinear, 6-1
perspective, 6-1
voiding, 6-9
calibration information, 6-5
attaching to images, 2-7, 6-10
saving, 6-10
calibration templates, defining, 6-2
center of energy, obtaining with centroid
method, 3-6
centroid method, 3-6
characters
reading, 5-29
training, 5-29
circle, finding points along the edge, 5-10
circles, finding, 5-10
classifying objects, 5-29
color content, evaluating in images, 3-9
color information
learning, 3-9
specifying, 3-10
color location, finding points, 5-25
color matching, 3-10