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F
unc
tions
Shading Correction
36
4
Execute opaque defect point detection. Like the
clear defect point detection, set the image pickup
conditions and the threshold in units of 14 bits.
Below is an example for 10000 step/14bit. Pixels
that indicate 0 to 10000 steps are detected. If are not
setting opaque defect points, you can skip this step.
>DEFECT-THRESHOLD 10000
>DEFECT-DETECTION 2
5
Select the data for applying defect correction. To
apply the pixels detected in steps 3 and 4, select 2.
To apply factory settings, select 0. To apply values
that have been saved, select 1.
>DEFECT-PATTERN-LOAD 2
6
Turn on defect detection correction.
>DEFECT-CORRECTION 1
7
Save the settings. To repeat defect detection
without saving, repeat steps 1 to 6.
>DEFECT-PATTERN-SAVE
Note
The upper limit of defect detection points is 2047 for
clear and opaque defect points combined. Correction
cannot be performed over the upper limit. The detected
defect points can be confirmed using DEFECT-
DETECTION-RESULT. If the upper limit is exceeded,
defect detection will fail or abnormal defect detection
will occur and RESULT will be -1.
Shading Correction
Depending on the characteristics of the lens, shadings
caused by a drop in the amount of light around the lens,
or light source variation, are corrected. For XCL-S600/
S600C, six individual user settings can be saved. For
XCL-S900/S900C, ten individual user settings can be
saved.
Shading Correction has two modes. In peak detection
mode, you can adjust the screen to brightest level. In
average detection mode, you can adjust the whole screen
to its average brightness.
command
param
Setting
DEFECT-
PATTERN-
LOAD
0
Factory setting
1
User setting
2
Data detected using
DEFECT-DETECTION
Defect pixel
Pixels that
are not
detected
Pixels that
are
detected
command
param
Function
SHADING-
DETECTION
1
Start detection (peak
detection)
2
Start detection
(average detection)
command
param
Function
SHADING-
CORRECTION
0
Correction off
1
Correction on
command
param
Function
SHADING-
PATTERN-SAVE
0 ~ 9 (S600/
S600C)
Save shading data
0 ~ 5 (S900/
S900C)
command
param
Function
SHADING-
PATTERN-SAVE
0 ~ 10
(S600/
S600C)
Read shading data
0 ~ 6 (S900/
S900C)