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316 questions
Tagged
36k
views
no
answers
no
votes
2015-12-09 08:15:46 -0600
MartinJensen
How do you detect things moving out of picture in a video? [closed]
c++
opencv
computervision
contours
371
views
1
answer
no
votes
2018-02-14 15:10:09 -0600
d3alek
(RPi Python) Trouble Understanding findContours & drawContours
RaspberryPi
python
readContours
drawContours
1k
views
1
answer
no
votes
2013-09-11 04:17:54 -0600
Moster
Displaying radius of a circle
radius
circle
5k
views
2
answers
no
votes
2016-07-31 10:54:44 -0600
LBerger
Does findContours create duplicates?
computervision
contours
findContours
1k
views
no
answers
no
votes
2014-02-20 02:57:58 -0600
Marko
c++ OpenCV approxPolyDP causes Unhandled exception
#opencv#c++
432
views
1
answer
no
votes
2013-12-05 23:28:36 -0600
Haris
How to do proper thresholding?
Thresholding
20k
views
1
answer
no
votes
2014-10-31 04:43:09 -0600
MichaelHecht
getting area points inside contour
contour
area
points
827
views
1
answer
no
votes
2017-01-09 04:29:19 -0600
abhijith
Hand detection not working.
hand-tracking
1k
views
2
answers
no
votes
2017-02-20 04:48:00 -0600
berak
OpenCV issue with drawing Farneback optical flow in ROI.
FarnebackOpticalFlow
roi
c++
11k
views
1
answer
no
votes
2018-01-13 02:54:19 -0600
ak1
How do I draw only external contour?
contours
4k
views
1
answer
no
votes
2015-10-29 09:55:13 -0600
sturkmen
What does HuMoments tell me?
image-processing
moments
HuMoment
comparison
contours
5k
views
1
answer
no
votes
2014-10-14 07:12:47 -0600
fedor
eccentricity ( elongation ) of contours
eccentricity
contours
elongation
665
views
1
answer
no
votes
2015-04-09 16:27:09 -0600
sturkmen
how to get bounding rectangle on both window??
c++#opencv
4k
views
1
answer
no
votes
2015-08-17 12:19:38 -0600
unxnut
drawContours vector<Point>
drawContours
579
views
1
answer
no
votes
2015-04-07 05:56:47 -0600
theodore
measuring height of color using pixel. [closed]
c++#opencv
1k
views
no
answers
no
votes
2014-05-22 11:15:32 -0600
norzanbzura
How to measure the dimension of object with webcam video openCV?
#opencv
#c++
#measure
#objectrecognition
5k
views
no
answers
no
votes
2014-05-21 01:36:46 -0600
norzanbzura
How to display text on the windows (webcam windows) openCV?
putText
2k
views
no
answers
no
votes
2014-06-02 02:12:18 -0600
norzanbzura
How to measure the dimension of object with OpenCV?
#measure
#object
#opencv
89
views
no
answers
no
votes
2015-04-19 05:56:07 -0600
berak
measuring height of two color with same border. [closed]
c++
131
views
no
answers
no
votes
2016-04-10 05:41:46 -0600
marcello90
Problem to find contours
contour
295
views
no
answers
no
votes
2017-02-12 18:47:03 -0600
balloman
Can't find countours
gpu
CUDA
758
views
no
answers
no
votes
2015-08-27 00:34:09 -0600
Deepak Kumar
unable to understand this finger counting code
opencv
fingercounting
Angle
rotation
2k
views
1
answer
no
votes
2016-08-24 19:33:11 -0600
j0h
how do i change the fullscreen fill colour?
fillColor
fullscreen
background
956
views
1
answer
no
votes
2017-03-22 12:00:30 -0600
berak
Contour fn is not working well and not getting subpixel image by warpaffine fn
c++
contours
1k
views
1
answer
no
votes
2016-10-01 11:05:13 -0600
berak
Problem with contourArea return value
opencv3.1.0
contourArea
contours
shapedetection
30k
views
3
answers
no
votes
2020-06-07 21:00:14 -0600
supra56
Measuring the dimension(height and width) of an object.
#opencv
2k
views
1
answer
no
votes
2013-06-11 07:39:20 -0600
berak
vector<vector<Point> > contours 'Unable to read memory error'
cvFindContours
vectors
14k
views
2
answers
no
votes
2017-12-01 11:28:32 -0600
pipeecs780
How to measure distance between 2 objects in a video? - Edited
Video
label
distance_metrics
8k
views
2
answers
no
votes
2016-02-27 22:24:36 -0600
Guyygarty
Intersection of a contour and line in OpenCV c++?
c++opencv
270
views
1
answer
no
votes
2018-12-30 05:33:41 -0600
LBerger
Translating C++ code into python. Facing some problem
c++
opencv
python
findContours
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