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354 questions
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opencv
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java
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405
views
no
answers
no
votes
2020-12-07 14:26:14 -0500
fafafafa
errors when building opencv 4.5.0 wit extra modules using Mingw [closed]
opencv
java
325
views
no
answers
no
votes
2020-12-05 08:45:02 -0500
fafafafa
Error building opencv with extra modules in Visual Studio 2013
opencv
java
433
views
no
answers
no
votes
2020-12-04 09:17:00 -0500
fafafafa
pre-built OpenCv with extra modules for java
java
opencv
1k
views
2
answers
no
votes
2020-10-22 00:54:59 -0500
sohamgandhi
Video writer in java not saving
java
opencv
videowriter
android
CreateVideoWriter
1k
views
no
answers
no
votes
2020-10-17 10:57:39 -0500
sturkmen
Convert Python Into Java / Kotlin using these operations
opencv
java
python
android
385
views
no
answers
no
votes
2020-08-19 12:34:30 -0500
Nagarjuna
opencv java How to sort contours from left to right [closed]
opencv
java
1k
views
1
answer
-1
votes
2020-07-11 08:15:46 -0500
berak
how to resolve (-215:Assertion failed) !_src.empty() in function 'cv::boxFilter'
java
opencv
184
views
no
answers
no
votes
2020-06-01 23:08:50 -0500
muas
I am using LBPH model yml to save images after train, how can i save images with their user-id
java
opencv
371
views
no
answers
no
votes
2020-05-01 03:41:04 -0500
JulesHummelink
Memory leak with openCV on android
android
opencv
java
memoryleak
437
views
1
answer
no
votes
2020-03-23 17:51:04 -0500
ssokolow
Find only internal contours in JavaCV/OpenCV
findContours
javacv
contours
java
opencv
655
views
1
answer
no
votes
2020-03-17 15:01:25 -0500
DrThrax
Java: Core.Pow: (-215:Assertion failed) depth == CV_32F || depth == CV_64F
java
opencv
BRISQUE
298
views
no
answers
no
votes
2020-03-06 03:26:55 -0500
supra56
calling mat.copyto and mat.clone in loop causes machine to freeze in java [closed]
opencv
java
Mat
copyTo
clone
132
views
no
answers
no
votes
2020-02-28 14:44:41 -0500
ROMEL
from an image having multiple rectangles some rectangles are filled with lines an some are empty like given below in the image.i need to remove all the rectangles which are empty.Any suggestions?
java
opencv
python
208
views
no
answers
no
votes
2020-02-25 07:25:11 -0500
Jonaskri
Upgraded from 3.4.9 to 4.2.0 and can no longer see camera view [Android]
android
opencv
java
461
views
no
answers
no
votes
2020-02-24 05:27:22 -0500
krjeev
Blob depth should be CV_32F or CV_8U
java
opencv
cvException
1k
views
1
answer
1
vote
2020-01-29 02:58:57 -0500
berak
Face recognition app for android (OpenCV)
android
java
opencv
Facedetection
FaceRecognizer
366
views
no
answers
no
votes
2020-01-13 20:53:04 -0500
supra56
Opencv Videocapture cannot get stream
videocapture
java
opencv
ipcamera
Livestream
1k
views
1
answer
no
votes
2020-01-03 07:05:22 -0500
supra56
java.lang.UnsupportedOperationException: Mat data type is not compatible: 6[SOLVED]
opencv
java
tutorial
286
views
no
answers
no
votes
2019-12-24 14:18:38 -0500
karDilip
OpenCV Java: Iterate through all points in Line as obtained from FitLine & find distance of each point to Contour edge using pointPolygonTest - Little Help Please!
opencv
java
112
views
no
answers
no
votes
2019-12-15 21:37:09 -0500
Avadhoot05
Mass center of contour is showing incorrectly in opencv java
android
opencv
max
android4.3
java
6k
views
3
answers
no
votes
2019-11-30 08:47:40 -0500
rtrahms
Importing OpenCV 4.X android SDK module into Android Studio
android
studio
java
opencv
drawcontour
473
views
1
answer
-1
votes
2019-11-23 02:06:29 -0500
Akhil Patel
Detect all Countour not an only Rectangle
java
countour
opencv
drawcontour
981
views
1
answer
1
vote
2019-11-12 12:00:52 -0500
dhirwinjr
Issue using OpenCV 4.1.1 and Tracking API in Java
opencv
java
tracking_api
110
views
no
answers
no
votes
2019-08-26 09:44:04 -0500
Mralaa
How to run Flash while opining camera?
java
android
opencv
201
views
no
answers
no
votes
2019-08-12 09:36:25 -0500
berak
OpenCV mat.get(y,x)[0] == mat2.get(y,x)[0] returns true when false [closed]
java
Mat
opencv
get
compare
boolean
312
views
no
answers
no
votes
2019-06-26 11:46:51 -0500
andresoares
No opencv jar file created in build/bin
opencv
java
cmake-gui
java11
93
views
no
answers
no
votes
2019-06-06 20:56:10 -0500
albert
Opencv java how to sort a bubble sheet TopLeftToBottomRight
bubblesheet
java
opencv
184
views
no
answers
no
votes
2019-05-18 13:01:26 -0500
thadaBoy
How to fix 'only black frames receiving' in Android with OpenCV
android
opencv
c++
jni
java
790
views
1
answer
1
vote
2019-04-14 08:00:07 -0500
Pou Belle
Focus stacking with C++ are not the same as in Java
java
c++
opencv
focal_stacking
222
views
no
answers
no
votes
2019-04-11 12:05:47 -0500
ManyToLearn
opencv4android for 3d reconstruction
java
opencv
opencv4android
3dreconstruction
3dmodel
pointcloud
1
2
3
4
5
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