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316 questions
Tagged
1k
views
no
answers
no
votes
2017-04-15 16:19:40 -0600
AndreyPavlov
How to calculate number of people counting inside/outside in shop?
opencv
people
crossline
c++
18k
views
3
answers
no
votes
2019-12-15 00:56:11 -0600
essamzaky
How to eliminate small contours in a binary image?
opencv
findContours
2k
views
1
answer
no
votes
2013-04-18 12:23:13 -0600
Guanta
Detecting small colored spheres
object-detection
ios
mobile
761
views
no
answers
no
votes
2018-04-23 16:28:52 -0600
ritesh1996
Is there any python code for Camera Tampering detection using opencv?
opencv
python
507
views
no
answers
no
votes
2016-06-26 08:53:14 -0600
Gesture Rec
How to count Convexity Defects ?
hand-detection
convexityDefects
168
views
1
answer
no
votes
2019-12-15 00:52:15 -0600
essamzaky
Missing region when used findcontours
findContours
1k
views
no
answers
no
votes
2018-12-07 10:56:14 -0600
sreevathsabr
Facing Problem in drawing counters for resized Image
contour
2k
views
1
answer
no
votes
2015-09-06 11:02:29 -0600
LBerger
FindContours hirerarcy issue
drawContours
findContours
293
views
1
answer
no
votes
2014-02-20 10:03:40 -0600
shiv.butekar
Quesion on OpenCV used in Eclipse Linux
opencv.hpp
226
views
no
answers
no
votes
2016-06-04 07:59:57 -0600
Major Squirrel
Some kind of frameception or frame glitches on multiple platforms
c++
frame
inception
image-processing
774
views
2
answers
no
votes
2017-04-26 07:00:48 -0600
Svad
opencv-3.2.0(x64): drawContours does not work with Qt5
drawContours
3.2.0
X64
qt5
4k
views
1
answer
no
votes
2013-10-03 03:49:09 -0600
Moster
OpenCV Error: Assertion failed BLA BLA BLA in unknown function...
Color
mat.hpp
assertion
error
contour
average
4k
views
no
answers
no
votes
2013-10-08 00:44:40 -0600
Shaban
How to create an array of Mat by the number of frame?
array
Mat
frame
number
530
views
1
answer
no
votes
2013-12-04 18:19:54 -0600
Shaban
How to take "cv::Mat frame" inside contours?
frame
contours
5k
views
1
answer
no
votes
2014-07-20 17:13:57 -0600
schmaedech
How to resize boundingRect to fix size?
resize
boundingRect
contours
detectMultiScale
3k
views
no
answers
no
votes
2013-06-24 01:54:39 -0600
Shaban
How to detect the direction of moving objects?
motion
moving
direction
detection
4k
views
1
answer
no
votes
2013-12-14 06:49:09 -0600
natadmin
[RESOLVED] HOGDescriptor Error: Assertion Failed!
HOGDescriptor
assertion
error
1k
views
1
answer
no
votes
2016-02-03 11:26:54 -0600
sturkmen
Why a contour can't always be drawn filled?
contour
CV_FILLED
3k
views
no
answers
no
votes
2014-10-28 20:38:02 -0600
tim obrien
error:Only 8-bit 1-channel and 3-channel input/output images are
cvInpaint
12k
views
2
answers
no
votes
2013-03-14 11:22:10 -0600
Guanta
Result issues with findContours
findContours
drawContours
148
views
no
answers
no
votes
2018-03-23 01:57:46 -0600
santhosh21
How to add the points[4] to the contours by using opencv framework
rotatedrect
2k
views
1
answer
no
votes
2018-07-18 07:31:45 -0600
kbarni
drawContours with Gradient color
contours
drawContours
Color
FindContour
4k
views
no
answers
no
votes
2013-06-17 05:15:06 -0600
wuling
About contours of the blob,area of blob's hole and contours hierarchy
findContours
blob
area
drawContours
contourArea
558
views
no
answers
no
votes
2018-02-20 09:19:03 -0600
Marko5280
How do I find a vertical line in a image?
java
opencv
image
3k
views
1
answer
no
votes
2013-08-05 13:16:04 -0600
berak
call of overloaded ‘Point_(cv::Point2f&)’ is ambiguous
#openCV2.4.6
#c++
#cvpoint
312
views
no
answers
no
votes
2018-04-29 05:05:31 -0600
bennog
extract flower buds in x-ray image
X-ray
threshold
c++
138
views
no
answers
no
votes
2018-06-08 09:20:05 -0600
garbalawal
FindContour does not get all contour
FindContour
c++
17k
views
no
answers
no
votes
2017-09-22 11:53:05 -0600
Intoxica
Undefined Reference to cv::
undefined_references
585
views
no
answers
no
votes
2020-02-27 21:20:09 -0600
supra56
no matching function for call to 'drawContours' [closed]
opencv
Eclipse
565
views
no
answers
no
votes
2018-12-17 09:09:31 -0600
ub0baa
speeding things up [closed]
cnt
MOG2
multithread
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