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148 questions
Tagged
opencv4android
×
869
views
1
answer
1
vote
2020-10-04 08:19:05 -0600
sturkmen
OpenCV crop function fatal signal 11
crop
opencv4android
484
views
1
answer
no
votes
2020-02-04 14:41:44 -0600
zzxjl1
Fatal signal 11 (SIGSEGV), code 2 from knnMatch in OpenCV4Android 3.2
opencv4android
bfmatcher
knnmatch
android
3.2.0
413
views
no
answers
no
votes
2019-06-27 19:06:05 -0600
Luciano Ruiz Morales
Overlaying image on Android [closed]
android
opencv4android
272
views
no
answers
no
votes
2019-04-11 12:05:47 -0600
ManyToLearn
opencv4android for 3d reconstruction
java
opencv
opencv4android
3dreconstruction
3dmodel
pointcloud
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
268
views
no
answers
1
vote
2018-06-15 14:14:01 -0600
morrinoa
Establishment of the PSF based on sensors data
opencv4android
sepFilter2d
Sensors
Accelerometer
gyroscope
517
views
no
answers
no
votes
2018-02-22 21:31:02 -0600
berak
Latest opencv + contrib modules, missing sdk/java [closed]
opencv4android
opencv+contrib
778
views
1
answer
no
votes
2018-02-20 04:26:04 -0600
berak
Opencv4Android KCFTracker grayscale
opencv4android
android
kcf_tracker
24k
views
6
answers
7
votes
2017-05-23 10:19:10 -0600
sengsational
Best way to store a Mat object in Android
android
AndroidOpenCV
opencv4android
externalstorage
#Mat
735
views
1
answer
no
votes
2017-04-18 13:56:27 -0600
g3org3
Building OpenCV4Android With OpenGL and OpenCL Support
opencv4android
android
opencv
725
views
no
answers
no
votes
2017-01-22 04:35:38 -0600
Dashu
Configure OpenCV for Android with Visual Studio(NVIDIA Nsight )
android
opencv4android
nvidia
visualstudio
762
views
1
answer
no
votes
2016-10-20 08:30:08 -0600
berak
how to detect corners in frames retrieved from Camera
opencv4android
corner-detection
cornerHarris
opencv2.4.11
25k
views
2
answers
no
votes
2016-10-11 02:19:27 -0600
berak
How to initialize a Mat object with zeros
Opencv3.0
opencv4android
Mat
1k
views
1
answer
no
votes
2016-08-18 09:33:58 -0600
berak
Saving OpenCV images in Android
opencv4android
cvsavemage
save
java
android
3k
views
1
answer
no
votes
2016-07-23 10:27:27 -0600
Solace
Is it possible to overlay a transparent image over a live camera view, such that it is overlayed over the captured photo as well?
opencv4android
Opencv3.0
opencv
overlay
displayoverlay
668
views
1
answer
no
votes
2016-07-13 17:36:08 -0600
Tetragramm
Looking for a way to turn a circle (unfilled) into a line.
android
opencv
opencv4android
2k
views
1
answer
no
votes
2016-06-28 00:02:26 -0600
berak
Converting histogram Mat to BitMap - Getting OpenCV Error (src.type() == CV_8UC1 || src.type() == CV_8UC3 || src.type() == CV_8UC4)
opencv4android
opencv
Opencv3.0
histogram
bitmap
428
views
1
answer
no
votes
2016-06-27 14:51:16 -0600
Solace
Why is the drawContour() in OpenCV generating this strange Mask?
opencv
opencv4android
Opencv3.0
contour
submat
916
views
1
answer
no
votes
2016-06-26 18:46:10 -0600
Solace
Why does calcHist() method create an empty black histogram Mat?
opencv4android
opencv
Opencv3.0
histogram
calcHist
794
views
no
answers
no
votes
2016-06-26 18:44:38 -0600
Solace
Why am I getting this Assertion Failed error in my calcHist() call? [closed]
opencv4android
opencv
Opencv3.0
histogram
calcHist
771
views
1
answer
no
votes
2016-06-26 09:38:52 -0600
sturkmen
How to draw contours INSIDE the edges of detected shape/blob?
opencv4android
opencv
Opencv3.0
224
views
no
answers
no
votes
2016-06-24 13:12:11 -0600
jojo94
how to use opencv4android pca to train svm model? [closed]
android
opencv
Opencv3.0
opencv4android
PCA
823
views
1
answer
no
votes
2016-05-27 06:52:08 -0600
WhoAmI
Android Emulator Camera Displaying Blocks
opencv4android
android
emulator
camera
117
views
no
answers
no
votes
2016-05-22 11:37:21 -0600
Meng Wang
Photo.createTonemap in opencv4android
opencv4android
HDR
Tonemap
4k
views
no
answers
no
votes
2016-04-28 06:41:07 -0600
WhoAmI
Cannot load info library for OpenCV
opencv4android
android
opencv
64
views
no
answers
no
votes
2016-04-26 08:00:24 -0600
WhoAmI
Do I need a Cygwin to run OpenCV4Android [closed]
Cygwin
opencv4android
416
views
no
answers
no
votes
2016-04-26 04:34:11 -0600
WhoAmI
[armeabi-v7a] library errors in Face-detection sample
opencv4android
1k
views
1
answer
no
votes
2016-04-20 08:43:08 -0600
sturkmen
How to create an ROI (Region-Of-Interest or submat) from a contour?
opencv
opencv4android
Opencv3.0
contour
submat
99
views
no
answers
no
votes
2016-04-19 04:02:09 -0600
Solace
How to determine if OpenCV4Android has already been initialized?
opencv4android
opencv
initasync
OpenCVLoader
448
views
1
answer
no
votes
2016-04-10 22:44:17 -0600
Tetragramm
Using OpenCV4Android, how to blur a part of an image?
opencv4android
opencv
Opencv3.0
blur
blurring
1
2
3
4
5
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