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nexedi
osie
Commits
a3693bd7
Commit
a3693bd7
authored
Jun 14, 2024
by
Ivan Tyagov
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Set shape to 0.0 if in current processing run no contour
was detected.
parent
24a55c54
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1
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14 additions
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2 deletions
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-2
oi-sensor/oi-sensor.py
oi-sensor/oi-sensor.py
+14
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oi-sensor/oi-sensor.py
View file @
a3693bd7
...
...
@@ -131,6 +131,7 @@ async def main():
now
=
time
.
time
()
*
1000
diff
=
(
now
-
before
)
print
(
"Processing time = %.2f ms, countours = %d"
%
(
diff
,
len
(
contours
)))
contour_detected
=
False
for
cnt
in
contours
:
area
=
cv2
.
contourArea
(
cnt
)
approx
=
cv2
.
approxPolyDP
(
cnt
,
0.02
*
cv2
.
arcLength
(
cnt
,
True
),
True
)
...
...
@@ -138,6 +139,7 @@ async def main():
y
=
approx
.
ravel
()[
1
]
number_of_points
=
len
(
approx
)
if
area
>
designated_area_min
and
area
<
designated_area_max
:
contour_detected
=
True
if
not
headless
:
cv2
.
drawContours
(
frame
,
[
approx
],
0
,
(
0
,
0
,
0
),
5
)
if
number_of_points
==
3
:
...
...
@@ -152,8 +154,7 @@ async def main():
if
not
headless
:
cv2
.
putText
(
frame
,
"Circle (%s)"
%
number_of_points
,
(
x
,
y
),
font
,
1
,
(
0
,
0
,
0
))
result
=
3.0
else
:
result
=
0.0
# printout
print
(
"
\
t
Detected area (px)=%.2f, result=%d"
%
(
area
,
result
))
...
...
@@ -173,6 +174,17 @@ async def main():
current_shape
=
result
await
myvar
.
write_value
(
result
)
# break current countour detection loop as in this example we care
# for first detected SHAPE, we do not expect more shapes
break
if
not
contour_detected
:
# no countours actually detected thus update OPC UA server's node attribute
result
=
0.0
result_stack
.
append
(
result
)
current_shape
=
result
await
myvar
.
write_value
(
result
)
# show current MASK and camera output windows
if
not
headless
:
cv2
.
imshow
(
"Frame"
,
frame
)
...
...
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