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255 questions
Tagged
721
views
1
answer
no
votes
2019-05-11 14:37:55 -0600
Afflospark
Could I access android camera by c++ api(opencv4)?
camera
android
615
views
no
answers
no
votes
2019-05-16 03:38:43 -0600
Agus
Autonomous robot, line following and Aruco detection. Android Java
java
android
linedetection
linefollowing
aruco
281
views
no
answers
no
votes
2019-05-18 13:01:26 -0600
thadaBoy
How to fix 'only black frames receiving' in Android with OpenCV
android
opencv
c++
jni
java
422
views
1
answer
no
votes
2019-05-21 04:14:21 -0600
Yoki Watanabe
Why get(int rows, int cols) in java returns a null array?
java
156
views
1
answer
no
votes
2019-05-28 06:52:33 -0600
berak
How to get xpos and ypos value using FindContours
android
kotlin
6k
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
427
views
no
answers
no
votes
2019-06-21 12:01:53 -0600
lylenku
Is it Possible to find value of RGB/HSV after doing edge detection and contouring using OpenCV in Android Studio?
androidStudio
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
112
views
no
answers
no
votes
2019-07-07 14:37:27 -0600
julian403
Read camera data without camera visualization.
android
opencv
frame
442
views
1
answer
no
votes
2019-07-30 06:57:49 -0600
manef
problem while load trained svm android
classifier
android
opencv
102
views
no
answers
no
votes
2019-08-04 10:58:58 -0600
willlam98
Advice in learning OpenCV for android development
advice
457
views
no
answers
no
votes
2019-08-19 01:05:52 -0600
atom
Opencv 4.1.1 and Android Studio
opencv
android
439
views
no
answers
no
votes
2019-08-26 04:18:21 -0600
grom358
Android Studio 3.5 + OpenCV 4.1
android
opencv
402
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
1k
views
1
answer
no
votes
2019-10-01 20:15:28 -0600
Witek
How to run OpenCV Android Samples in Android Studio? [closed]
androidStudio
767
views
1
answer
no
votes
2019-10-06 01:15:58 -0600
berak
Problem with Background Subtraction KNN in android studio
BackgroundSub
479
views
1
answer
no
votes
2019-10-08 01:46:17 -0600
wade wang
How to do backgroundsub in the ROI of camera in android studio
submat
android
778
views
no
answers
no
votes
2019-10-09 01:34:16 -0600
Fandi
OpenCV(3.4.3) Error: Assertion failed (src.type() == CV_8UC3 && dst.type() == CV_32SC1) in void cv::watershed(cv::InputArray, cv::InputOutputArray) [closed]
watershed
android-studio
546
views
no
answers
-2
votes
2019-10-12 21:16:48 -0600
hieuht29
How to detech fingerprint from an image or cameraView [closed]
android
cropfingerprints
Fingerprint
2k
views
1
answer
no
votes
2019-10-14 06:13:57 -0600
LBerger
sync failed when adding opencv as a dependence for my app
android
109
views
no
answers
no
votes
2019-10-15 03:55:54 -0600
StainlessSteelRat
Updated OpenCV4Android documentation
android
ndk
cmake
3k
views
3
answers
1
vote
2019-10-30 12:35:30 -0600
MauroNRa
Generate custom opencv .so for Android [Windows 10] [Solved]
android
2k
views
1
answer
no
votes
2019-11-23 02:07:12 -0600
Akhil Patel
Android Studio how integrate NDK with Opencv
ndk
c++
opencv
drawcontour
8k
views
3
answers
no
votes
2019-11-30 08:47:40 -0600
rtrahms
Importing OpenCV 4.X android SDK module into Android Studio
android
studio
java
opencv
drawcontour
1k
views
2
answers
2
votes
2020-01-31 05:17:40 -0600
Vismay
Not able to see camera/ onCameraFrame is not called in signed APK/bundle Android
android#opencv
400
views
no
answers
no
votes
2020-02-12 07:05:32 -0600
berak
Problem with not founding layers YOLO neural networks
tiny-Yolov3
android
3.4.5
androidStudio
272
views
no
answers
no
votes
2020-02-25 07:25:11 -0600
Jonaskri
Upgraded from 3.4.9 to 4.2.0 and can no longer see camera view [Android]
android
opencv
java
4k
views
1
answer
no
votes
2020-02-27 09:06:05 -0600
PressedTin
How do I get 0-255 RGB values from an RGBA mat?
android#studio
Mat
java
478
views
no
answers
no
votes
2020-02-28 16:05:04 -0600
PressedTin
How do I make the method onCameraFrame() be called more frequently
OnCameraFrame
android#studio
android
java
451
views
no
answers
no
votes
2020-02-28 21:33:31 -0600
Albert0924
OpenCV with GStreamer in Android Studio
gstreamer
android
streaming
piipeline
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