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574 questions
Tagged
855
views
1
answer
no
votes
2016-01-21 16:28:03 -0600
aag
Failure to build Python bindings under mingw32
build
mingw
python
697
views
1
answer
no
votes
2013-09-23 12:28:24 -0600
Alexander Smorkalov
SEGFAULT in libnative_camera
libnative_camera
android
opencv
2k
views
1
answer
no
votes
2013-01-05 03:27:03 -0600
Alexander Smorkalov
Error building OpenCV 2.4.x "Undefined reference to av_opt_set@LIBAVUTIL_51"
libavutil
undefined
reference
build
error
1k
views
1
answer
no
votes
2018-11-27 04:32:53 -0600
Simontraww
Opencv (3.2.0) Compile Android with NEON provide a lot of errors (3.4.4 works only for compiling)
android
ndk
arm-neon
compile
studio
650
views
1
answer
no
votes
2016-08-16 04:19:00 -0600
funaota
How to Use OpenCV with Gstreamer in iOS
gstreamer
ios
2k
views
1
answer
1
vote
2012-07-24 10:00:08 -0600
Gábor Bernát
OpenCV for Windows (2.4.1): Cuda-enabled app won't load on non-nVidia systems
CUDA
windows
257
views
1
answer
no
votes
2018-07-26 08:34:37 -0600
berak
Unknown compiler error?
motion-detection
508
views
1
answer
no
votes
2016-01-08 03:27:52 -0600
StevenPuttemans
combining opencv with raspberry pi camera
c++#RaspberryPi2
1k
views
1
answer
no
votes
2015-07-14 02:10:42 -0600
Louie Boy
lkdemo.cpp crashing upon cornerSubPix() and calcOpticalFlowPyrLK() call
crash
opticalflow
error
unhandled-exception
c++
3k
views
1
answer
no
votes
2015-01-22 16:17:15 -0600
titan1432
OpenCV doesn't work with VS2013
c++
opencv
visual-studio
3k
views
1
answer
no
votes
2013-08-05 13:16:04 -0600
berak
call of overloaded ‘Point_(cv::Point2f&)’ is ambiguous
#openCV2.4.6
#c++
#cvpoint
3k
views
1
answer
1
vote
2014-08-28 16:17:38 -0600
Dagmor
GPU Cuda initialization much slower with opencv libraries
startup
performance
Initialization
CUDA
ptx
gpu
1k
views
1
answer
no
votes
2017-11-18 10:06:38 -0600
Tetragramm
How to give createBackgroundSubtractorMOG2 selective history images.
BackgroundSubtractor
2k
views
1
answer
no
votes
2013-03-18 12:24:06 -0600
Alexander Smorkalov
Problems using libnative_camera on Android
opencv
libnative_camera
ndk
jni
875
views
1
answer
no
votes
2019-04-15 07:59:06 -0600
Bleach
Tesseract accuracy
Tesseract-OCR
tesseract
666
views
1
answer
no
votes
2020-05-22 05:22:40 -0600
cudawarped
error buiding cudaoptflow/samples/optical_flow.cpp on current master branch for opencv AND contrib
opencv4
opencv_contrib
CUDA
make
cudaoptflow
690
views
1
answer
no
votes
2018-08-07 14:44:04 -0600
mariusz
failed to build through the scripte of the platforms/android/build_sdk.py
build_sdk.py
android
build
3k
views
1
answer
-1
votes
2015-11-11 05:18:06 -0600
pklab
Display webcam input in window
c++
DisplayImage
Multithreading
GUI
MFC
win32
3k
views
1
answer
no
votes
2018-08-15 12:39:27 -0600
wmmc88
How do I properly build Android OpenCV from sources?
build_sdk.py
build
contrib
android
1k
views
1
answer
no
votes
2013-11-07 08:55:52 -0600
Vladislav Vinogradov
CMake errors while building OpenCV 2.4.5 with CUDA 5.5
CUDA5.5
cmake
c++
4k
views
1
answer
no
votes
2015-05-07 18:35:17 -0600
theodore
unable to link static opencv
opencv
Linking
static
libraries
application
7k
views
1
answer
no
votes
2018-06-18 12:18:07 -0600
ady_e_n
failed to use System.loadLibrary(Core.NATIVE_LIBRARY_NAME) on Raspberry pi
java
RaspberryPi
Library
linux
debian
881
views
1
answer
1
vote
2015-09-17 20:15:53 -0600
littlefree
OpenCV & Axis Camera - Mac Cannot Read Movie File
java
Eclipse
mac
AXIS
15k
views
1
answer
no
votes
2013-02-18 04:56:04 -0600
Alexander Smorkalov
cannot load info library for opencv
static
AndroidOpenCV
5k
views
1
answer
1
vote
2014-05-30 06:51:59 -0600
berak
Missing createFisherFaceRecognizer method on android.
Fisherfaces
android
4k
views
1
answer
no
votes
2016-03-13 04:17:08 -0600
berak
How to use KNearest in java?
KNearest
java
2k
views
1
answer
no
votes
2017-02-03 11:46:11 -0600
LBerger
why are mat operators seeing wrong type? [closed]
Mat
type
operation
crash
error
967
views
1
answer
no
votes
2020-06-29 01:24:54 -0600
berak
lheibph = LBPHFaceRecognizer.create();
face
java
2k
views
1
answer
no
votes
2013-02-21 04:51:46 -0600
Devylin
What caused this happen?CV_XADD parse issue in Xcode 4.2
MacOSX
Xcode4.2
Opencv2.4.3
2k
views
1
answer
1
vote
2014-01-28 09:31:21 -0600
Clark
Linker error when building 2.4.7 with IPP 8.0
2.4.7
IPP
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