Omron F250-UME Software Manual page 473

QUEST Character Verification
2-21-2 Setting Extract Conditions
Operational Flow
1 2
Select
Remove
character
lighting
color and
variation.
rotation.
STEP 1: Selecting Character Color and Rotation
Compensate image
Color
Rotation
Inclination
Binary
Select the method for setting binary levels for extraction.
Automatic*: Threshold is automatically set from density histogram for whole image.
Manual: Binary level is adjusted while referring to image.
Select manual when the characters are not extracted well using the automatic setting.
Refer to page 2-21-(6).
Note The rotation and inclination settings are enabled only for regions for which
(As required) (As required)
3
Set binary
level.
Set the character color and whether or not to use rotation compensation.
:
Black
: OFF
: OFF
: Auto
End
automatic extraction is selected under Select region/Region/Mode.
1. Select Extract conditions.
The settings selections will be displayed.
4
Change
extract
method.
Only for auto Only for auto
extraction mode extraction mode
Character color
Black*: Characters darker than background
White: Characters lighter than background
Total rotation of character string:
OFF*: No rotation compensation
- • •
ON: 15 to 15 compensation
Character inclination:
OFF*: No compensation
- • •
ON: 20 to 20 compensation
1.QUEST OCV
Measurement image
Extract conditions
Character conditions
K B - 6 5 7 6 2
Measurement conditions
Select region
0 1 . 1 1. 0 7
Judgement conditions
Refer string
Compensate image
Shading
Binary
Extract method
Dilate level
Noise conditions
Section 2-21
For dilation
extraction
5
6
Set Set noise
number of removal
dilations. conditions.
Only for auto
extraction mode
2-21-(4)