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316 questions
Tagged
642
views
no
answers
no
votes
2014-09-11 14:55:19 -0600
Konstantin Ivanov
Access violation error to vector<vector<Point>>,wich was created by function findContours [closed]
findContours
1k
views
3
answers
no
votes
2014-05-27 06:42:15 -0600
Nagaraj
Tilted image reconstruction
tilted
256
views
1
answer
no
votes
2020-02-11 20:21:08 -0600
supra56
Object localization program crashing at approxPolyDP function[SOLVED]
opencv
approxPolyDP
1k
views
1
answer
no
votes
2016-06-02 09:26:27 -0600
sturkmen
OpenCV4Android - Resize a Contour but retain center?
android
opencv
erode
distanceTransform
resize
264
views
1
answer
no
votes
2016-03-02 06:04:58 -0600
berak
Debug assertion fail when using grayscale
opencv
1k
views
1
answer
no
votes
2018-08-26 08:24:44 -0600
matman
FindContours Duplicate Points
findContours
drawContours
1k
views
1
answer
no
votes
2015-11-20 02:44:50 -0600
pklab
how can I draw a vertical line down the middle of a rectangular?
opencv
c++
808
views
2
answers
no
votes
2015-08-12 03:00:15 -0600
zms
Moment and Archlength return values - confused
Moment
and
Archlength
result
183
views
no
answers
no
votes
2016-03-15 03:40:24 -0600
Lily
Stack around the variable 'hull_header' was corrupted when using convexity defects [closed]
convexityDefects
2k
views
1
answer
no
votes
2015-07-28 03:18:02 -0600
StevenPuttemans
Find center and radius of fisheye image
fisheye
1k
views
1
answer
no
votes
2015-04-08 10:58:26 -0600
ClintFromVa
perspectiveTransform on contours?
perspectiveTransform
contours
241
views
no
answers
no
votes
2015-08-19 03:52:05 -0600
xyansdu
Problem when I try to use findContour function
FindContour
3k
views
1
answer
no
votes
2016-04-07 06:22:23 -0600
StevenPuttemans
Label Contours
label
contours
510
views
1
answer
no
votes
2017-02-20 10:46:57 -0600
ginister
Mat reshape not reducing channel number
reshape
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
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