Image Adjustment - Sharp IV-S30J User Manual

Setting Measurement Conditions

[5] Image adjustment

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 "
the SET key to show the sub menu.
Correction mode
SUBTRACTING
DECREASING
FILTERING
ADJ-COND" and then press
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.
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
3-24
F C1 BRT
1ADJ.IMG GRAY(CAM1)
2ADJ.COND(CAM1)
3ADJ.IMG GRAY(CAM2)
4ADJ.COND(CAM2)
F C1 BRT
NO
YES
F C1 BRT
SUBTRACTING
DECREASING
FILTERING