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12,357 questions
Tagged
1k
views
no
answers
no
votes
2016-08-03 09:54:02 -0600
Christophe M.
opencv and tkinter received an x window system error
Raspberry
python3
opencv
Tkinter
pygubu
198
views
no
answers
no
votes
2015-08-25 23:59:58 -0600
berak
TrainSVM convert_to_ml error
deleted
527
views
no
answers
no
votes
2017-07-01 22:31:12 -0600
dancole
Combine detectMultiScale Objects / Results
reduce
961
views
no
answers
no
votes
2018-10-15 14:50:14 -0600
jayaise
OpenCV-java341.dll is not getting generated
OpenCV-java341.dll
400
views
no
answers
no
votes
2018-01-05 03:04:27 -0600
PoeteMaudit
OpenCV - Can someone explain me in detail the findContours algorithm?
findContours
1k
views
no
answers
no
votes
2018-11-14 12:49:28 -0600
Magikalika
Segmentation fault when using cv::imshow
3.1.0
imshow
SegmentationFault
ros
indigo
igloo
183
views
no
answers
no
votes
2014-06-22 03:32:09 -0600
ldn
accessing to a Matrix cell
Mat
datamatrix
456
views
no
answers
no
votes
2017-10-04 08:37:45 -0600
Guy78
Solve haarcascade XML files' path
haarcascade
xml
PATH
262
views
no
answers
no
votes
2018-03-14 04:13:31 -0600
questerer
Finding relatively large objects in a cluttered background - Help needed
opencv
python
contours
threshold
objectdetection
74
views
no
answers
no
votes
2014-08-04 02:58:26 -0600
ROSpioneer
kinect nyko: omni or perspective ?
kinect
nyko
omni
122
views
no
answers
no
votes
2015-10-31 13:52:09 -0600
engrsalmananjum
opencv conversion of matlab code.
Matlab
opencv
licence-plate
2k
views
no
answers
no
votes
2013-05-30 05:46:59 -0600
heredic
Peculiarity with VideoWriter codec selection....
videowriter
encoding
169
views
no
answers
no
votes
2017-06-07 07:18:55 -0600
SWerner
vector iterator not dereferencable
notdereferencable
956
views
no
answers
no
votes
2015-08-06 13:35:28 -0600
Freitas
Worse performance of LUT function on Android Lollipop
android
LUT
lollipop
performance
479
views
no
answers
no
votes
2014-04-29 21:50:05 -0600
Michael Nasr
construct a 3D model of an object to detect
3d
cascadeclassifier
cube
99
views
no
answers
no
votes
2020-06-08 22:59:51 -0600
John C Phan
Raspberry pi3 video Live Stream slowly using opencv 3.4.0
RaspberryPi3#OpenCV
214
views
no
answers
no
votes
2018-07-27 00:22:34 -0600
berak
I am trying to executing cross compiled (for RISCV) sample c++ program.but i am getting error
c++opencv
copencv
riscv
92
views
no
answers
no
votes
2014-09-17 19:48:32 -0600
Shawn
Getting a noise-like video while running a opencv sample: facedetect
#copencv
#webcam
1k
views
no
answers
no
votes
2019-08-02 15:51:52 -0600
gamedude_7
why opencv fails to capture video from ip axis camera in C++ but works in Python
c++
qt
opencv
AXIS
ip
camera
472
views
no
answers
-1
votes
2014-05-17 14:04:42 -0600
markoub
Multithreading Face recognition train
FaceRecognizer
Multithreading
parallelization
455
views
no
answers
no
votes
2017-09-05 20:27:01 -0600
adnan_318
Plot histogram of Sobel operator magnitude and angle in OpenCV?
c++opencv
61
views
no
answers
no
votes
2016-04-26 05:37:00 -0600
salarra
How to fill the inner gaps of each part and segment to different parts
segmantation
357
views
no
answers
no
votes
2015-10-12 13:24:34 -0600
Mehdi.Am
Face recognition using haar classifier:How to train and compare with stored images
face
facial
recognition
detection
c++
165
views
no
answers
-1
votes
2020-04-05 13:25:52 -0600
lencls
How can i make matchtemplate with threshold (java maeven)
java
matchTemplate
2k
views
no
answers
no
votes
2020-01-05 19:55:32 -0600
crystaldust
SIMD optimizations get no performance gains on ARM (NEON)
arm64
neon
CPU
optimization
903
views
no
answers
no
votes
2013-08-22 05:24:15 -0600
Mathieu Barnachon
undefined reference to `cvCreateCameraCapture_V4L(int)' on OpenCV 2.9.0 build
libv4l
ubuntu
338
views
no
answers
no
votes
2018-11-13 11:34:02 -0600
pouya.1991
Opencv 4 h.264 decode delay
h.264
opencv4
decode
stream
801
views
no
answers
no
votes
2016-08-09 14:43:03 -0600
marcosbontempo
Hardware requirements to run Opencv in a Android platform
android
hardware
requirements
opencv
cvHaarCascade
2k
views
no
answers
no
votes
2015-11-28 13:05:06 -0600
DaveMk99
How can I convert ffmpeg AVFrame to cv::Mat?
ffmpeg
avframe
CvMat
228
views
no
answers
no
votes
2015-06-29 12:59:03 -0600
mmt
How to keep tracking the same object among others
tracking
detection
python
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