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12,357 questions
Tagged
596
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2020-01-16 14:15:33 -0600
ElDuderino
mat.hpp:1137: undefined reference to `vtable for cv::_InputArray'
bugreporting
compile
1k
views
no
answers
no
votes
2018-10-09 04:56:03 -0600
ABerto
Video Acceleration Gstremer Pipeline in Videocapture
gstreamer
vaapi
videocapture
387
views
no
answers
no
votes
2016-09-09 17:43:03 -0600
art_bug
Problem with drawmatches()
c++
SIFT
opencv
21k
views
no
answers
no
votes
2016-01-19 08:57:35 -0600
berak
Random Forest confidency.
randomforest
c++
127
views
no
answers
1
vote
2015-05-30 05:20:40 -0600
BAHRAMUDIN ADIL
How to write video with OpenCV 3.0 RC1
opencv
189
views
no
answers
no
votes
2017-11-08 04:07:29 -0600
Robb
Make a NN work in 3.3.0 out of Tensorflow
tensorflow
dnn
CNN
92
views
no
answers
no
votes
2015-03-28 10:07:29 -0600
pkpkpk
Android - I try to get simple access to Mat
android
camera
1k
views
no
answers
no
votes
2014-10-31 01:17:40 -0600
Jenny
How to calculate filter coefficients of low pass ButterWorth filter C++
#coefficients
#c++
#opencv
#smooth
#filter
#video-processing
393
views
no
answers
no
votes
2014-11-22 20:06:23 -0600
Diego123
php exec runs my c++ file but imread won't get nothing! Please Help!
imread
368
views
no
answers
no
votes
2017-02-03 17:42:30 -0600
Omar K. Aly
Cascade Classifier Tutorial Error
c++
opencv
cascadeclassifier
objectdetection
175
views
no
answers
no
votes
2015-06-24 12:53:54 -0600
paulsc167
Found bug in CascadeClassifier what do I do next ?
bug
cascadeclassifier
62
views
no
answers
no
votes
2014-03-03 03:22:06 -0600
Kouwll
Capture clicks on Augmented buttons.
android
Eclipse
132
views
no
answers
no
votes
2019-05-04 00:29:54 -0600
Vikas Nagpal
subset of opencv library
lightweight
sourcecodepruning
194
views
no
answers
no
votes
2020-06-01 10:44:02 -0600
kamadi
issue training using lbph model
createLBPHFaceReco
java
3k
views
no
answers
2
votes
2016-12-07 13:16:23 -0600
megab
Change FPS on video capture from file
videocapture
fps
1k
views
no
answers
1
vote
2017-06-09 07:01:33 -0600
berak
Stitching images using template matching and warpAffine
warpAffine
warp
stitching
1k
views
no
answers
no
votes
2019-09-01 04:23:43 -0600
Martian
OpenCV 4 cmake switches for best runtime performance (Linux, C++, Python)
cmake
switches
c++
1k
views
no
answers
no
votes
2019-07-26 07:16:16 -0600
supra56
Windows 10 building openCV.js
opencvjs
207
views
no
answers
no
votes
2017-02-24 12:49:21 -0600
tahme
Tracking block of text on a page
Text
tracking
319
views
no
answers
no
votes
2015-08-06 08:40:29 -0600
dtinchev
Hidden Markov Model implementation
HMM
machinelearning
157
views
no
answers
no
votes
2013-07-24 01:35:22 -0600
Mostafa Sataki
CvKNearest Circular(angle) nearest neighbor
CvKNearest
circularParameters
1k
views
no
answers
1
vote
2017-08-14 15:25:23 -0600
Janko
OpenCV with Eclipse Oxygen on Windows10 64bit
opencv
win10
Eclipse
oxygen
576
views
no
answers
no
votes
2017-05-02 21:32:53 -0600
Marciano Ng
How can i set a automatic video recorder
opencv
python
cv2.VideoWriter
dropbox
654
views
no
answers
no
votes
2013-09-23 01:52:35 -0600
Infinite Life
An error when using opencv_traincascade.exe
opencv_traincascacde
#error
123
views
no
answers
no
votes
2016-03-20 02:55:07 -0600
215
Extract feature of an red object from an stereo image?
stereo
depth
1k
views
no
answers
1
vote
2014-01-06 02:40:54 -0600
OoVoO
Error from Qt creator
#opencv#qt
572
views
no
answers
2
votes
2015-11-19 08:55:51 -0600
Adi
FAST or AGAST on Color Images
fast
agast
corner-detection
1k
views
no
answers
-1
votes
2020-03-27 02:01:43 -0600
majid kakavandi
hi friends.I want to install opencv on google colab for image processing but I couldn't do it.I also used the link below but to no result.
c++
opencv
Google
colab
197
views
no
answers
no
votes
2017-04-05 03:26:38 -0600
Dhananjay Sharma
Why OpenCV face detection recognition the faces for untrained face?
opencv
python
342
views
no
answers
no
votes
2015-11-11 10:34:28 -0600
jurassicjeff
How calibrate a laser camera system fystem for 3D measuring
laser
camera
calibration
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