National Instruments IMAQTM User Manual
Page 49
Chapter 4
Performing Particle Analysis
© National Instruments Corporation
4-7
IMAQ Vision for Visual Basic User Manual
cwimaqMeasurementHolesArea
Sum of the areas of each hole in the
particle.
cwimaqMeasurementHolesPerimeter
Sum of the perimeters of each hole in the
particle.
cwimaqMeasurementHuMoment1
The first Hu moment.
cwimaqMeasurementHuMoment2
The second Hu moment.
cwimaqMeasurementHuMoment3
The third Hu moment.
cwimaqMeasurementHuMoment4
The fourth Hu moment.
cwimaqMeasurementHuMoment5
The fifth Hu moment.
cwimaqMeasurementHuMoment6
The sixth Hu moment.
cwimaqMeasurementHuMoment7
The seventh Hu moment.
cwimaqMeasurementHydraulicRadius
The particle area divided by the particle
perimeter.
cwimaqMeasurementImageArea
Area of the image.
cwimaqMeasurementMaxFeretDiameter
Distance between the start and end of the
line segment connecting the two
perimeter points that are the furthest
apart.
cwimaqMeasurementMaxFeretDiameterEndX
X-coordinate of the end of the line
segment connecting the two perimeter
points that are the furthest apart.
cwimaqMeasurementMaxFeretDiameterEndY
Y-coordinate of the end of the line
segment connecting the two perimeter
points that are the furthest apart.
cwimaqMeasurementMaxFeretDiameterOrientation
The angle of the line segment
connecting the two perimeter points that
are the furthest apart.
cwimaqMeasurementMaxFeretDiameterStartX
X-coordinate of the start of the line
segment connecting the two perimeter
points that are the furthest apart.
Table 4-1. Measurement Types (Continued)
Measurement
Description