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6.8.2 What is Feature Extraction?
Feature Extraction:
This is a function to count the number of the clusters of a certain size (an object) within the area. If the
number of counted objects is within the preset limitation, it will be judged "OK"; otherwise, it will be judged
"NG". The detected objects are sorted and the "features" of clusters from 1st to 99th are extracted.
Image Type
Color/Gray (Binary)/Differential (Binary)
Shape of Area
Rectangle/Circle/Polygon (3 - 16 points)
Available Mask Area
Possible to set up to 16
Range of Measurement Results
Detection Counts: 0 - 2000
Area
1 to 245760
Gravity X
0 to 511.9
Gravity Y
0 to 479.9
Automatic detection
Projec. W in X 1 to 512
Projec. W in
1 to 480
Perimeter
1 to 245760
Feature Data and Measurement
Results Range
Angle
-89.9 to 90.0, 180
*1
Possible to switch Detect/Not
Detect
(Under the Condition tab)
Detection count = 3
Feature of object 1…..
Feature of object 2…..
Feature of object 3…..
•
*1
If the shapes of the objects are rectangle, circle or triangle, the angle of the principal axis
cannot be calculated. (Calculation of the angle may be infrequently performed, but you
cannot use the calculated data due to its instability. In this case, the angle of the principal axis
is output "180.0".
•
If the number of detected objects exceeds 2000, an error code "E0073" will be displayed in
the message area due to inspection error (No ERROR signal will be output.). In this case, the
Detection Count is output "0".
Summary of Contents for Micro-Imagechecker AX40
Page 9: ...1 Names and Functions of Parts Chapter 1 Chapter 1 Names and Functions of Parts ...
Page 15: ...7 Installation and Wiring Chapter 2 Chapter 2 Installation and Wiring ...
Page 25: ...17 Input and Output Interface Ports Chapter 3 Chapter 3 Input and Output Interface Ports ...
Page 42: ......
Page 70: ......
Page 94: ...86 Setting Checkers Chapter 6 6 7 Gray Edge 6 7 1 Menu Options ...
Page 108: ...100 Setting Checkers Chapter 6 6 9 Smart Matching 6 9 1 Menu Options ...
Page 184: ......
Page 185: ...177 TOOL Chapter 8 Chapter 8 TOOL ...
Page 192: ......
Page 193: ...185 Environment Settings Chapter 9 Chapter 9 Environment Settings ...
Page 215: ...207 Chapter 10 Parallel Communication Chapter 10 Parallel Communication ...
Page 225: ...217 Chapter 11 RS232C Communication Chapter 11 RS232C Communication ...
Page 255: ...247 Chapter 12 Ethernet Communication Chapter 12 Ethernet Communication ...
Page 261: ...253 Chapter 13 Using a CF Card Chapter 13 Using a CF Card ...
Page 279: ...271 Chapter 15 Troubleshooting Chapter 15 Troubleshooting ...
Page 292: ...284 Specifications and Product Numbers Chapter 16 Camera Cable Keypad ...
Page 294: ...286 Specifications and Product Numbers Chapter 16 ANM88161 ANM88251 ANB842NL Unit mm ...