2-21-(4)
QUEST Character Verification
Section 2-21
2-21-2
Setting Extract Conditions
Operational Flow
STEP 1: Selecting Character Color and Rotation
Set the character color and whether or not to use rotation compensation.
Note
The rotation and inclination settings are enabled only for regions for which
automatic extraction is selected under Select region/Region/Mode.
1.
Select Extract conditions.
The settings selections will be displayed.
1
2
4
3
5
6
Select
character
color and
rotation.
Remove
lighting
variation.
Set binary
level.
Change
extract
method.
Set
number of
dilations.
Set noise
removal
conditions.
(As required)
(As required)
For dilation
extraction
Only for auto
extraction mode
Only for auto
extraction mode
Only for auto
extraction mode
End
Compensate image
Color
Rotation
Inclination
Binary
:
:
:
:
Black
OFF
OFF
Auto
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
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).
K B - 6 5 7 6 2
0 1 . 1 1. 0 7
1.QUEST OCV
Measurement image
Extract conditions
Character conditions
Measurement conditions
Select region
Judgement conditions
Refer string
Compensate image
Shading
Binary
Extract method
Dilate level
Noise conditions