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388 questions
Tagged
5k
views
2
answers
no
votes
2018-10-01 20:44:44 -0600
fifo_thekdi
Error using cmake on Windows with Visual Studio 2017 and OpenCV 3.4.3
cmake
1k
views
no
answers
no
votes
2018-10-18 23:53:20 -0600
Sar
Opencv error: undefined reference to 'cv::CascadeClassifier::detectMultiScale
android
ndk
objdetect
713
views
1
answer
no
votes
2018-11-09 06:46:26 -0600
caiocanalli
OpenCV Contrib Android - Module appears in Java, but not in C ++
opencv_contrib
jni
android
include
180
views
no
answers
no
votes
2018-11-13 20:57:22 -0600
ttelsey
Where to find header files when building with android-gradle
gradle
android
cmake
externalnativebuild
537
views
no
answers
no
votes
2018-11-20 16:00:23 -0600
opalmirror
CameraCalibration example computes NAN
android
cameraCalibration
602
views
1
answer
-1
votes
2018-11-29 01:05:46 -0600
berak
cannot find contrib module using android studio?
android
opencv
205
views
1
answer
no
votes
2018-12-04 00:41:27 -0600
berak
Android platform, cvCreateFileCapture return null [closed]
android
CvCreateFileCapture
opencv
videoio
932
views
1
answer
-1
votes
2018-12-05 01:16:06 -0600
berak
Why FeatureDetector is deprecated on OpenCV 3.42 ??
featuredetector
AndroidOpenCV
androidStudio
deprecated
185
views
1
answer
no
votes
2018-12-05 06:25:12 -0600
berak
find contours in an image?
android
opencv
contours
582
views
no
answers
no
votes
2018-12-05 10:11:28 -0600
Simontraww
Opencv (3.4.4) with NEON provide a few undefined symbols (ANDROID)
android
studio
arm-neon
compile
Linking
5k
views
2
answers
no
votes
2018-12-08 11:52:53 -0600
Sellmair
Is there a way to use openCV contrib modules with Android (native)
AndroidOpenCV
opencv4android
3k
views
3
answers
no
votes
2018-12-08 11:53:49 -0600
Sellmair
How to use Aruco in Android?
android
aruco
1k
views
1
answer
no
votes
2018-12-14 05:28:20 -0600
zidek
unable to use libopencv_java4.so in android studio with c++
opencv
android
c++
652
views
no
answers
-1
votes
2019-01-22 09:10:32 -0600
tianshaokai
I always compile the android platform with the following error
android
923
views
1
answer
no
votes
2019-01-23 05:05:02 -0600
JohnnyWang
How to fix the issue about cvCreateCameraCapture
android
opencv
ffmpeg
2k
views
1
answer
no
votes
2019-03-13 09:17:17 -0600
ARPatrick
Object Detection and Tracking on Android
objecttracking
objectrecognition
android
real-time
457
views
1
answer
no
votes
2019-03-27 02:21:23 -0600
berak
OpenCV 4 without apk fields for manager
android
opencv
120
views
no
answers
no
votes
2019-04-04 02:31:17 -0600
Abdur Rahman
integrate problem of opencv android sdk. Error Is given below :
Integrate
cpp
187
views
no
answers
no
votes
2019-05-01 01:20:59 -0600
lost_spirit0
OpenCV manager 2.4.9 incompatible with Android 8.0
android
188
views
no
answers
no
votes
2019-05-01 14:30:29 -0600
AlanHadley
Problem with video on 32 bit Android sdk
android
Video
32bit_app
android-sdk
863
views
2
answers
no
votes
2019-05-11 14:34:47 -0600
Afflospark
Can't open video file in android
android
videocapture
5k
views
3
answers
3
votes
2019-06-21 07:27:47 -0600
Shmuel Fine
How to build OpenCV for Android using Visual Studio?
android
visualstudio
404
views
1
answer
no
votes
2019-07-03 02:16:14 -0600
berak
How to put Chinses into Mat use opencv android sdk
android
put
Chinese
532
views
no
answers
no
votes
2019-07-10 10:34:51 -0600
eric_engineer
Building latest master for android but missing Java folder
build
java
3k
views
3
answers
no
votes
2019-07-15 04:38:25 -0600
biinui
Fail to set camera resolution higher then 640x480 using Tutorial 5
camera
resolution
tutorial
5
411
views
1
answer
no
votes
2019-07-19 00:29:50 -0600
NickKao
QRCodeDetector in Android cause ANR(no response)
android
456
views
1
answer
no
votes
2019-07-25 04:15:24 -0600
vinio
OpenCV throws exception when calling Mat.put() with direct bytebuffer
Mat
ByteBuffer
CV_8UC3
java
140
views
no
answers
no
votes
2019-07-31 10:50:53 -0600
roastedbill
Cannot find function definations in libopencv_java3.so exported symbols
libopencv_java3.so
android
cmake
so
file
385
views
no
answers
no
votes
2019-09-07 00:44:31 -0600
PR
error: undefined reference to 'cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&, std::__ndk1::vector<cv::Rect_<int>, std::__ndk1::allocator<cv::Rect_<int> > >&, double, int, int, cv::Size_<int>, cv::Size_<int>)'
CascadeClassifier111
756
views
1
answer
no
votes
2019-09-11 18:50:21 -0600
AndreaF
Why previous version OpenCV sample freezes with a black screen after update form 3.4.3 to 4.1.1?
android
opencv
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