Sharp IV-C35M User Manual page 170

Object Counting by Binary Conversion
INVERT B/W
Select whether to invert the display of black and white inside the measurement area.
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," "BINRY NOISE FILT,"
"BOUNDARY PROCESS, " and "AREA
FILTER." The items selected here will be
displayed on the "REG COND" menu.
MASK NO.
Select a mask number.
Note: This is available when "NORMAL" is
9
MASK SHAPE
Select mask shape.
- Select "NO," "RECTANGLE," "CIRCLE," or "ELLIPSE."
- When "BINARY-IMG-MASK" is selected on the "
since this is already selected on the "MASK BINARY IMG" screen.
- When "POLYGON" is selected on 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 3-23.
BINARY NOISE FILTER
Select a binary noise filter type. Move the cursor to "NO," "EXPD.
contraction), or "CONTR.
continue.
For details, see page 3-24.
BOUNDARY PROCESS
Select whether objects crossing the boundary of the window will be "VALID" or "INVALID."
For details, see page 3-25.
AREA FILTER
This function is used to exclude an object from measurement if its area is outside of the upper or
lower limits. Specify a number from 0 to 245760.
Example of register measurement area and area mask
Measurement area
(Rectangle)
Mask area
(Rectangle)
selected on the " WINDOW" line.
EXPD" (contraction
REG COND SCREEN COND SAVE DETAIL
1REGISTER NO.
2MEAS SHAPE
RECTANGLE
3MEAS AREA
SET (224,208) (287,271)
4THRESHOLD
SET [U.LM255 L.LM100 (0~255)]
5INVERT B/W
NO
6MASK NO.
0(0~3)
7MASK SHAPE
NO
8BINARY PROCESS
FIXED
9BINARY NOISE FILT
NO
0BOUNDARY PROCESS VALID
qAREA FILTER
U.LM245760 L.LM000000(0~245760)
NO
VALID
EXPD. CONTR.
INVALID
CONTR. EXPD.
SET=VALUE INPUT ESC=BACK SEL=CHNG IMG TRG=FUNC
WINDOW" line, this line will not appear,
WINDOW" line, specify the polygonal shape of the
expansion), and press the SET key to
- The inside of the measurement area
(excluding the mask area) is converted to
binary data.
9-6
RED F C1 BRT
MASK REGIST.
BINARY PROCESS
NO
BINRY NOISE FILT
RECTANGLE
BOUNDARY PROCESS
CIRCLE
AREA FILTER
ELLIPSE
FIXED
THRES-ADJ (VAR-DIFF)
THRES-ADJ (VAR-RATE)
CONTR." (expansion