First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date
activity ▼
answers
votes
354 questions
Tagged
opencv
×
java
×
763
views
no
answers
no
votes
2020-12-07 14:26:14 -0600
fafafafa
errors when building opencv 4.5.0 wit extra modules using Mingw [closed]
opencv
java
579
views
no
answers
no
votes
2020-12-05 08:45:02 -0600
fafafafa
Error building opencv with extra modules in Visual Studio 2013
opencv
java
667
views
no
answers
no
votes
2020-12-04 09:17:00 -0600
fafafafa
pre-built OpenCv with extra modules for java
java
opencv
1k
views
2
answers
no
votes
2020-10-22 00:54:59 -0600
sohamgandhi
Video writer in java not saving
java
opencv
videowriter
android
CreateVideoWriter
2k
views
no
answers
no
votes
2020-10-17 10:57:39 -0600
sturkmen
Convert Python Into Java / Kotlin using these operations
opencv
java
python
android
627
views
no
answers
no
votes
2020-08-19 12:34:30 -0600
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 -0600
berak
how to resolve (-215:Assertion failed) !_src.empty() in function 'cv::boxFilter'
java
opencv
238
views
no
answers
no
votes
2020-06-01 23:08:50 -0600
muas
I am using LBPH model yml to save images after train, how can i save images with their user-id
java
opencv
448
views
no
answers
no
votes
2020-05-01 03:41:04 -0600
JulesHummelink
Memory leak with openCV on android
android
opencv
java
memoryleak
766
views
1
answer
no
votes
2020-03-23 17:51:04 -0600
ssokolow
Find only internal contours in JavaCV/OpenCV
findContours
javacv
contours
java
opencv
980
views
1
answer
no
votes
2020-03-17 15:01:25 -0600
DrThrax
Java: Core.Pow: (-215:Assertion failed) depth == CV_32F || depth == CV_64F
java
opencv
BRISQUE
384
views
no
answers
no
votes
2020-03-06 03:26:55 -0600
supra56
calling mat.copyto and mat.clone in loop causes machine to freeze in java [closed]
opencv
java
Mat
copyTo
clone
167
views
no
answers
no
votes
2020-02-28 14:44:41 -0600
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
245
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
689
views
no
answers
no
votes
2020-02-24 05:27:22 -0600
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 -0600
berak
Face recognition app for android (OpenCV)
android
java
opencv
Facedetection
FaceRecognizer
423
views
no
answers
no
votes
2020-01-13 20:53:04 -0600
supra56
Opencv Videocapture cannot get stream
videocapture
java
opencv
ipcamera
Livestream
2k
views
1
answer
no
votes
2020-01-03 07:05:22 -0600
supra56
java.lang.UnsupportedOperationException: Mat data type is not compatible: 6[SOLVED]
opencv
java
tutorial
425
views
no
answers
no
votes
2019-12-24 14:18:38 -0600
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
170
views
no
answers
no
votes
2019-12-15 21:37:09 -0600
Avadhoot05
Mass center of contour is showing incorrectly in opencv java
android
opencv
max
android4.3
java
7k
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
637
views
1
answer
-1
votes
2019-11-23 02:06:29 -0600
Akhil Patel
Detect all Countour not an only Rectangle
java
countour
opencv
drawcontour
1k
views
1
answer
1
vote
2019-11-12 12:00:52 -0600
dhirwinjr
Issue using OpenCV 4.1.1 and Tracking API in Java
opencv
java
tracking_api
147
views
no
answers
no
votes
2019-08-26 09:44:04 -0600
Mralaa
How to run Flash while opining camera?
java
android
opencv
260
views
no
answers
no
votes
2019-08-12 09:36:25 -0600
berak
OpenCV mat.get(y,x)[0] == mat2.get(y,x)[0] returns true when false [closed]
java
Mat
opencv
get
compare
boolean
449
views
no
answers
no
votes
2019-06-26 11:46:51 -0600
andresoares
No opencv jar file created in build/bin
opencv
java
cmake-gui
java11
124
views
no
answers
no
votes
2019-06-06 20:56:10 -0600
albert
Opencv java how to sort a bubble sheet TopLeftToBottomRight
bubblesheet
java
opencv
237
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
919
views
1
answer
1
vote
2019-04-14 08:00:07 -0600
Pou Belle
Focus stacking with C++ are not the same as in Java
java
c++
opencv
focal_stacking
251
views
no
answers
no
votes
2019-04-11 12:05:47 -0600
ManyToLearn
opencv4android for 3d reconstruction
java
opencv
opencv4android
3dreconstruction
3dmodel
pointcloud
1
2
3
4
5
...
12
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
java
×30
opencv
×30
android
×9
c++
×2
drawcontour
×2
Mat
×2
python
×2
3dmodel
×1
3dreconstruction
×1
android4.3
×1
boolean
×1
BRISQUE
×1
bubblesheet
×1
clone
×1
cmake-gui
×1
compare
×1
contours
×1
copyTo
×1
countour
×1
CreateVideoWriter
×1
cvException
×1
Facedetection
×1
FaceRecognizer
×1
findContours
×1
focal_stacking
×1
get
×1
ipcamera
×1
java11
×1
javacv
×1
jni
×1
Livestream
×1
max
×1
memoryleak
×1
opencv4android
×1
pointcloud
×1
studio
×1
tracking_api
×1
tutorial
×1
videocapture
×1
videowriter
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×
