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Sharp IV-S30 User Manual page 108

Compact image sensor camera function and operation
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Table of Contents
Positional Deviation Measurement
R
t o
t a
o i
n
D
e
e t
c
i t
- o
n
a r
n
g
e
±
3
˚ 0
4
±
4
˚ 5
F
l l u
a
n
g
e l
4. On the settings for the gray scale search conditions (page 4-3), register the object by surrounding
it with a square window, regardless of the shape of the object to be measured.
[Example]
- When triggered to store the reference image, the system will store various views of the object in
memory by rotating the image, 10 degrees at a time.
[When the angle range is set to
Reference image
5. Specify a search area that is large enough to include various positional deviations of the object.
6. When starting the measurement, the system will execute a gray scale search of the captured
image based on the stored reference images, which were created by rotating the basic image, 10
degrees at a time in step 3 above.
Captured
image
Note: When "NO" is selected for the "DTECT ANGL" (rotation angle detection) in the previous page
after registering the reference image, a "Reference image condition mismatch" error will occur
when executing the measurement.
a
n
g
e l
U
n
t i
2
3 -
, 4
3 -
, 2
3 -
, 0
2 -
8
3
3 -
, 6
3 -
, 3
3 -
, 0
2 -
7
5
4 -
, 0
3 -
, 5
3 -
, 0
2 -
5
6
4 -
, 2
3 -
, 6
3 -
, 0
2 -
4
1
0
3 -
, 0
2 -
, 0
1 -
, 0
, 0
3
5 -
, 1
4 -
, 8
4 -
, 5
4 -
2
5
5 -
, 5
5 -
, 0
4 -
, 5
4 -
0
1
0
4 -
, 5
4 -
, 0
3 -
, 0
2 -
1
0
1 -
7
, 0
1 -
6
, 0
1 -
5
0
Image to register
Reference image area
Search area
Degree of match
R
e
e f
e r
n
c
e
i
m
a
g
e
c
e r
R
t o
t a
o i
n
a
n
g
e l
• ,
+
2
, 8
• ,
+
2
, 7
• ,
+
2
, 5
• ,
+
2
, 4
+
1
, 0
+
2
, 0
+
3
0
• ,
+
4
, 2
• ,
+
4
, 0
, 0
1 -
, 0
, 0
+
1
, 0
+
2
, 0
+
3
, 0
+
• ,
+
1
5
, 0
+
1
±
360˚]
. . .
10°
20°
Define the position using the curve interpolation.
10
20
30
40
Degree of match curve
4-8
a
e t
d
Q
u
a
n
i t
+
3
, 0
+
3
, 2
+
3
4
3
5
+
3
, 0
+
3
, 3
+
3
4
2
5
+
3
, 0
+
3
, 5
+
4
0
1
7
+
3
, 0
+
3
, 6
+
4
2
1
5
7
+
4
, 5
+
4
, 8
+
5
1
3
5
+
4
, 5
+
5
, 0
+
5
5
2
3
4
, 0
+
4
5
1
1
6
, 0
+
1
7
, 0
+
1
8
0
3
6
. .
180°
-170°
Rotation
50
60
70
angle
y t
-10°

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