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574 questions
Tagged
832
views
1
answer
no
votes
2019-01-06 02:36:45 -0600
berak
unsovled externals errors occur when running detect_markers.cpp [closed]
c++
aruco
178
views
1
answer
no
votes
2016-06-29 08:51:09 -0600
berak
setLabelsInfo not existing in opencv3?
opencv
162
views
no
answers
no
votes
2016-07-01 07:50:35 -0600
LBerger
Error building Opencv 3.1 in imgwrap.cpp using VS2015
openCV#VS2015
1k
views
1
answer
no
votes
2016-08-11 00:30:59 -0600
berak
Making Android SDK Error
opencv
AndroidOpenCV
libpng
android-sdk
1k
views
no
answers
no
votes
2019-06-24 05:32:19 -0600
marco1111
Android Java Dnn.forward multiple output layers -> segmentation fault
android
java
yolo
segmentation
dnn.forward
221
views
no
answers
no
votes
2018-09-11 06:12:32 -0600
cv_user
Using OpenCL causes application to hang at startup
opencl
hang
windows
5k
views
1
answer
no
votes
2017-02-15 05:00:49 -0600
kbarni
i have this Error: Assertion failed (scn == 3 || scn == 4) in cv::cvtColor [closed]
java
opencv
motion
face
detection
209
views
no
answers
no
votes
2017-01-17 06:34:39 -0600
hammus
"Inverse" Structure from Motion? [closed]
SfM
cmvs
1k
views
1
answer
no
votes
2014-05-08 09:39:11 -0600
Gertlex
Compiler error using GCC 4.8.2 (MacPorts), OS X 10.9.2
gcc
OSX
macports
970
views
1
answer
no
votes
2015-03-03 16:23:41 -0600
SARGE553413
Problem adding function to OpenCV4Android: UnsatisfiedLinkError
android
java
c++
jni
opencv4android
694
views
2
answers
no
votes
2013-04-11 14:37:59 -0600
berak
processing Video frames
help
1k
views
1
answer
no
votes
2015-04-07 07:10:01 -0600
berak
include file for updateMotionHistory opencv-3.0-dev
opticalflow
5k
views
1
answer
no
votes
2020-01-06 06:52:43 -0600
cudawarped
openCV 4.2 with CUDA 10.2
CUDA10.2
opencv4.2
3k
views
no
answers
no
votes
2018-06-19 02:44:37 -0600
berak
Compiling OpenCV with ffmpeg GPU support
build
2k
views
1
answer
no
votes
2013-11-04 20:45:35 -0600
KonradZuse
Java face detection example produces 0 faces
java
Facedetection
263
views
1
answer
no
votes
2018-12-21 04:14:54 -0600
neoliv
Detect screen zone with text?
Text
detection
1k
views
no
answers
no
votes
2015-05-14 04:03:52 -0600
AspireStone3
Why OpenCV 3.0.0 doesn't build .jar file in Mac OSX (Eclipse)? [closed]
Eclipse
opencv
java
yosemite
2k
views
no
answers
no
votes
2017-11-05 15:15:56 -0600
Guilmort
WARNING: Can't build ffmpeg test code
ffmpeg
2k
views
1
answer
no
votes
2017-03-09 03:29:44 -0600
marcogovo
Errors in detectMultiScale() for face detection
detectMultiScale
Multithreaded
Multithreading
java
15k
views
1
answer
no
votes
2014-11-03 20:31:05 -0600
alealv
cmake linking error OpenCV_FOUND to FALSE UBUNTU 13.04
cmake
Linking
533
views
no
answers
no
votes
2014-03-13 12:39:42 -0600
Fergu007
Library problems using Eclipse, OpenCV on Mavericks
#opencv
libraries
MacOSX
#android#opencv
740
views
no
answers
no
votes
2014-03-17 04:13:59 -0600
Fergu007
OpenCV, can't load library in Eclipse [Mavericks 10.9.2]
OSX
java
679
views
1
answer
no
votes
2020-03-13 05:27:47 -0600
berak
How to compile Opencv 3.4.1 program in VS 2019 with Opencv 4.1.1?
c++
opencv
716
views
no
answers
no
votes
2015-12-01 04:28:07 -0600
czc080
Recompile the modified source code for opencv python
compile
python
CV_WRAP
3k
views
1
answer
no
votes
2014-06-14 16:53:43 -0600
bravouuu
Error building openCV 2.4.9 library not found for -lopencv_cudev
python
cmake
782
views
1
answer
no
votes
2020-04-28 10:35:54 -0600
berak
order of -lopencv_core -lopencv_highgui -lopencv_photo -lopencv_videoio -lopencv_imgproc -lopencv_calib3
order
of
shared
libraries
Linking
737
views
1
answer
no
votes
2014-06-06 06:26:55 -0600
StevenPuttemans
OpenCV for Windows without CUDA
#build
#windows
#CUDA
2k
views
no
answers
no
votes
2014-08-08 03:48:48 -0600
lounice
standalone independant executable using code::blocks with Windows8
static
Linking
codeblocks
windows8
opencv
mingw
655
views
no
answers
no
votes
2019-09-17 16:51:51 -0600
Tina J
OpenCV 4: 'CAP_PROP_POS_FRAMES' was not declared in this scope
CAP_PROP_FPS
CAP_PROP_POS_FRAMES
934
views
no
answers
no
votes
2019-12-16 12:21:55 -0600
michlvl
Build H-value histogram of HSV image: wrong parameters?
HSV
histogram
colorselection
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