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Panasonic A230 User Manual page 41

Machine vision system

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OCR Type A230
Step 1
Register a good example as the reference for inspection
4.
Select a target object example on which the printing is clear
and free of omissions. Capture the text on the camera.
5.
Here we will use Character Verification with
character−by−character inspection. Select Checker − CHAR.
VERIF. − Character from the menu.
The Character Verification checker setting menu will appear.
[2] CHAR. VERIF.
No.
1. Select Camera
2. Checker Setting
3. Condition
4. Sub. Det. Area
5. Sub. Det. Judgment
6. Pos. Rot. Adu. Group
7. Result
8. Copy Checker
9. Delete Checker
A:Test
6.
Select Checker Setting from the menu, and set the
character segmentation conditions.
Area
Segmentation Color
Segmentation Area Min.
Background Process
Registered Image
In this example we will use the following settings.
21. Area
22. Segmentation Color
23. Segmentation Area Min.
24. Background Process
25. Smart Setting
26. Registered Image
7.
Press the A (Register) key
The unit performs segmentation and displays the result.
8.
If the character that you want to register was correctly
segmented, press the ENTER key. The image inside the
segmented range is registered as the character image
reference for the inspection. You can check this image by
selecting 25. Registered Image.
Jud. :NG Det. Char.: 0
01
Character
A
128
B:Image
C:Esc.
Item
Encloses the region on the image for performing segmentation.
Select the text color to be detected (either black or white).
Set this when you want to eliminate unwanted noise.
Set this when you want to eliminate unwanted noise.
Allows you to check the registered character image.
1
0
Description of Setting
White
30
No
No
Inspection Procedure
4.2
IC Inspection Example
4 − 5

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