Setting the Conditions for Each Object Type
3-37
3
[10] Binary image mask
Use the binary image mask when an object to measure by binary conversion cannot be measured using
rectangle, circle, or ellipse window.
Mask a scanned image (AND) with the registered binary image.
Measurement programs which are affected by this setting
Color evaluation, area measurement by binary conversion, object counting by binary conversion, ob-
ject identification by binary conversion, BGA/CSP inspection
Setting method
1. On the SELECT OBJECT TYPE COND screen,
select "MEAS CND" (measurement conditions)
and press the SET key. The MEA-CND screen
will appear. Select "
WINDOW" and press the
SET key. Select "BINARY-IMG-MASK" from the
popup menu.
2. Highlight the "
MASK BINARY IMG" item
and press the SET key. A popup menu will
appear. Select "REF-IMG" or "MANUAL" and
the "
BIN IMG MASK" line will appear.
Selecting "REF-IMG"
See page 3-38 to 39.
Selecting "MANUAL"
See page 3-40 to 41.
3. Select "
BIN IMG MASK" (binary image
masking condition) and press the SET key.
The, MASK BINARY IMG screen will appear.
4. Here you can set the masking conditions. First
move the cursor to "
MASK AREA" and press
the SET key. Specify and confirm the position
and size of a masking area. On the
"
THRESHOLD" line, adjust the threshold
value between 0 and 255. At "
MASK
INVERT B/W," select whether or not to invert
the masking area. When a mask noise
removing method is specified in "
MASK
NOISE FILTR ," the "
NUM.OF MASK FILT”
(number of times to filter) line will appear. Set
the number of times from 0 to 5.
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
×
*
MEA-CND SCREEN COND SAVE
RED F C1 BRT
NUM-OF-MASK 1
NUM-OF-MASK 2
NUM-OF-MASK 4
BINARY-IMG-MASK
POLYGON
1
WINDOW
BINARY-IMG-MASK
2
REGISTER NO.
0
3
REGISTER EXIST
NO
4
MASK BINARY IMG NO
REGISTER NO.
5
BINARY AREA
*Display changes according to
measurement program selected.
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
×
MEA-CND SCREEN COND SAVE
RED F C1 BRT
1
WINDOW
BINARY-IMG-MASK
2
REGISTER NO.
0
3
REGISTER EXIST
NO
4
MASK BINARY IMG REF-IMG
5
BIN IMG MASK
(TO NEXT SUB-MENU)
REGISTER NO.
6
BINARY AREA
NO
REF-IMG
MANUAL
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
×
MEA-CND SCREEN COND SAVE
RED F C1 BRT
1
WINDOW
BINARY-IMG-MASK
2
REGISTER NO.
0
3
REGISTER EXIST
NO
4
MASK BINARY IMG REF-IMG
5
BIN IMG MASK
(TO NEXT SUB-MENU)
REGISTR NO.
6
BIN AREA COND
MASK BINARY IMGCREEN SAVE
RED F C1 BRT
1
MASK AREA
SET (232,216) ~ (279,263)
2
THRESHOLD
SET [U.LM255 L.LM100 (0~255) ]
3
MASK INVERT B/W NO
4
MASK NOISE FILTR EXPD.
→
CONTR.
5
NUM.OF MASK FILT EXPD.0 CONTR.0 (0~5)
NO
EXPD.
→
CONTR.
CONTR.
→
EXPD
MASK AREA
Binary image mask Gray level in the scanned image
Gray level output after masking
1 (white)
0 to 255
0 to 255
(gray level in the scanned image)
0 (black)
0 to 255
0 (black fixed)