Image Adjustment - Sharp IV-C35M User Manual

Setting Measurement Conditions

[9] Image adjustment

When the IV-S30C3/S30C4 monochrome camera is used, unevenness of gray level can be corrected.
How to set the image adjustment function
Select "IMAGE-ADJ" on the "SELECT OBJECT
TYPE COND" screen and press the SET key.
3
Shading correction
This process removes unevenness from
images that have gray level unevenness
caused by an illumination.
Adjustment condition
To set the adjustment conditions for gray level
corrections, select "
press the SET key to show the sub menu.
Correction mode
SUBTRACTING
DECREASING
FILTERING
ADJ-COND" and then
Divide a scanned image with the reference image that expresses changes of dark and
bright as a whole, and correct the brightness throughout the image.
(Each gray level of scanned image) X reference gray level} / (Each gray level of
reference image)
- Divide a scanned image that is shot under the uneven light by a blank image that is
shot under the same light condition, you can change the image to the one that is shot
under the even light.
Subtract a scanned image with the reference image that expresses changes of dark
and bright as a whole, and correct the brightness throughout the image.
(Each gray level of scanned image) + reference gray level} - (Each gray level of
reference image)
- Subtract a scanned image that is shot under the uneven light by a blank image that
is shot under the same light condition, you can change the image to the one that is
shot under the even light.
Filter a scanned image with the maximum value, and then with an average value, to
make a brightness image.
[Max. value filter: Max. gray level of 3 x 3]
- [Average value filter: Average gray level of 3 x 3]
- Use this filter when a brightness distribution image (reference image) for the
scanned image cannot be obtained.
3-36
SELECT OBJECT TYPE COND
OBJECT TYPE COND
TYPE00
TYPE RUN COND
IMAGE-ADJ
MEA-CND(CAMERA1)
MEA-CND(CAMERA2)
FINAL NUM.CALC
FINAL OUTPUT COND
OBJ-TYPE I/O
OBJ-TYPE SYS.
TYPE(NEW)
IMAGE-ADJ SCREEN SAVE
1ADJ.IMG GRAY(CAM1)
YES
2ADJ-COND(CAM1)
(TO NEXT SUB-MENU)
3ADJ.IMG GRAY(CAM2)
NO
ADJ.IMG GRAY SCREEN SAVE
1ADJ.MODE
SUBTRACTING
2ADJ.AREA
SET (224,208)-(287,271)
3SET STD.GRAY LV SET (224,208)-(287,271) GRAY(000)
Details
COLOR F C1 BRT
1ADJ.IMG GRAY(CAM1)
2ADJ.COND(CAM1)
3ADJ.IMG GRAY(CAM2)
4ADJ.COND(CAM2)
COLOR F C1 BRT
NO
YES
COLOR F C1 BRT
SUBTRACTING
DECREASING
FILTERING