7-6
Area Measurement by Binary Conversion
7
Setting the mask details
On the "REG COND" screen, move the cursor
to the upper function menu by pressing the
TRG/BRT key. Select "DETAIL" by pressing
the left and right arrow keys and then press the
SET key. On the popup menu, you can select
"MASK REGIST.," "BINARY PROCESS," and
"BINRY NOISE FILT." The items selected
here will be displayed on the "MEA-CND"
menu.
MASK NO.
Select a mask number.
Note: This line is displayed when "NO. OF
MASK 2" or "NO. OF MASK 4" is
selected at "
WINDOW" on the "MEA-
CND" screen.
MASK SHAPE
Select mask shape.
- Select "NO," "RECTANGLE," "CIRCLE," or "ELLIPSE."
- When "BINARY-IMG-MASK" is selected on the "
WINDOW" line, this line will not appear,
since this is already selected on the "MASK BINARY IMG" screen.
- When "POLYGON" is selected on the "
WINDOW" line, specify the polygonal shape of the
mask.
BINARY PROCESS
Select a binary processing method. Move the cursor to "FIXED," "THRES-ADJ (VAR-DIFF)"
{adjustable threshold value (variation difference)}, or "THRES-ADJ (VAR-RATE)" {adjustable
threshold (variation rate)}, and press the SET key to continue.
For details, see page 3-12.
.
BINARY NOISE FILTER
Select a binary noise filter type. Move the cursor to "NO," "EXPD.
→
CONTR." (expansion
→
contraction), or "CONTR.
→
EXPD" (contraction
→
expansion), and press the SET key to
continue.
For details, see page 3-13.
Setting example of measurement area and mask area
1
REGISTER NO.
0(0
〜
7)
2
MEAS SHAPE
RECTANGLE
3
MEAS AREA
SET (224,208)
〜
(287,271)
4
THRESHOLD
SET [U.LM255 L.LM100(0
〜
255)]
5
INVERT B/W
NO
6
MASK NO.
0(0
〜
1)
7
MASK SHAPE
NO
8
BIMARY PROCESS FIXED
9
BIMARY NOISE FILT
NO
F C1 BRT
MEA-CND
SCREEN COND SAVE DETAIL
SET
=SELECT A MENU ESC=BACK SEL=CHNG IMG TRG=FUNC
NO
EXPD.
→
CONTR.
CONTR.
→
EXPD.
FIXED
THRES-ADJ(VAR-DIFF)
THRES-ADJ(VAR-RATE)
NO
RECTANGLE
CIRCLE
ELLIPSE
□
MASK REGIST.
□
BINARY PROCESS
□
BINRY NOISE FILT
●
When WINDOW has been set to "NUM-OF- MASK 2"
Measurement area
(Rectangle)
Mask area
- The inside of the measurement area (excluding
the mask area) is converted to binary data.
