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
29,830 questions
Tagged
30k
views
3
answers
no
votes
2020-06-07 21:00:14 -0600
supra56
Measuring the dimension(height and width) of an object.
#opencv
201
views
1
answer
1
vote
2020-06-07 13:38:23 -0600
mvuori
convert Lab to one dimension
colorspace
945
views
no
answers
-1
votes
2020-06-07 10:10:11 -0600
supra56
error: (-215) scn == 3 || scn == 4 in function cv::cvtColor
opencv
925
views
no
answers
no
votes
2020-06-06 21:40:38 -0600
supra56
cloud and cloud shadow detection
python
opencv
remote_sensing
169
views
no
answers
no
votes
2020-06-06 16:20:15 -0600
Kiwi_gamer01
Is there a way to use the final OpenCV image as a camera?
opencv
python
camera
putText
asCameraOutput
255
views
no
answers
no
votes
2020-06-06 05:39:17 -0600
antithing
Video IO backends, ffmpeg vs
Video
videoio
ffmeg
Licence
301
views
no
answers
no
votes
2020-06-06 04:51:14 -0600
supra56
Composing multiple Fundamental/Essential matrices
fundamental-matrix
essential-matrix
862
views
no
answers
no
votes
2020-06-06 04:23:23 -0600
supra56
Why can't I get 3 webcam to run in parallel with pthreads?
threads
c++
Multithreading
mutex
pthread
125
views
1
answer
-1
votes
2020-06-06 02:11:15 -0600
berak
object detection using pixel value
remote
sensing
8k
views
1
answer
no
votes
2020-06-05 22:39:58 -0600
supra56
OpenCV does not detect the my rectangle [closed]
opencv
python
rectangle
Split
164
views
no
answers
no
votes
2020-06-05 19:50:33 -0600
NotARobot
how to join feeds from multiple small FOV cameras into one big feed
camera
infrared
multiplecamera
position-tracking
598
views
no
answers
no
votes
2020-06-05 18:21:44 -0600
zack123
Finding height and width of the object in python (OpenCV)?
image-processing
opnecv
python
1k
views
no
answers
2
votes
2020-06-05 18:02:12 -0600
facureyes
How to use LMSolver in OpenCV 4.3.0 c++
lmsolver
c++
CvLevMarq
548
views
1
answer
no
votes
2020-06-05 04:15:13 -0600
BIOS the Zerg
Why could OpenCV wait for a stream-ed CUDA operation instead of proceeding asynchronously?
CUDA
Imgproc
148
views
no
answers
no
votes
2020-06-04 13:25:09 -0600
murkoc
Python Image Processing Continuous Calibration Kernel Issue
calibrationimage
image-processing
pyqt5
6k
views
1
answer
3
votes
2020-06-04 05:06:36 -0600
Eduardo
undistort() and undistortPoints() are inconsistent
Undistort
undistortpoints
180
views
no
answers
no
votes
2020-06-04 04:22:35 -0600
Humam Helfawi
Fundamental matrix for tiny movements
findFundamentalMat
972
views
no
answers
no
votes
2020-06-03 17:51:53 -0600
HomanH
Error to cross compile into arm64-v8a by CV 4.3.0
compile
android
windows
arm
13k
views
1
answer
no
votes
2020-06-03 07:16:12 -0600
supra56
Finding rectangle contours in an image
finding
rectangle
contours
in
an
image
285
views
no
answers
no
votes
2020-06-03 04:00:14 -0600
Visionmop
matchShapes for Contour Defects
matchShapes
contours
c++
1k
views
no
answers
no
votes
2020-06-02 16:28:05 -0600
eric_engineer
SystemError: new style getargs format but argument is not a tuple
stereo-calibration
231
views
no
answers
no
votes
2020-06-02 13:25:44 -0600
aalmasri
Video Stabilization fill missing black border
videostabilization
816
views
no
answers
no
votes
2020-06-02 12:03:55 -0600
dedetuga
Building Opencv4.3 Android shared libs error
build
android
opencv
linux
ubuntu
381
views
no
answers
no
votes
2020-06-02 07:56:47 -0600
balfad
How to decode video which I get from POST method with OpenCV?
python
post
flask
320
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
1k
views
1
answer
no
votes
2020-06-01 14:14:02 -0600
mvuori
Difference between two captures
pictures
differences
124
views
no
answers
no
votes
2020-06-01 14:12:43 -0600
strwbrrymlk
access to GpuMat built-in functions from kernel
gpumat
867
views
no
answers
no
votes
2020-06-01 13:21:55 -0600
NicolasD
Install OpenCV for Fedora 32 Python
fedora
installation
python3
193
views
no
answers
no
votes
2020-06-01 10:44:02 -0600
kamadi
issue training using lbph model
createLBPHFaceReco
java
300
views
no
answers
1
vote
2020-06-01 08:22:00 -0600
sturkmen
Replicating OpenCV's Canny Edge Detection [closed]
canny
imageprocessing#edge
« previous
1
...
32
33
34
35
36
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×6
python
×5
c++
×3
android
×2
camera
×2
contours
×2
image-processing
×2
java
×2
rectangle
×2
an
×1
arm
×1
asCameraOutput
×1
build
×1
calibrationimage
×1
canny
×1
colorspace
×1
compile
×1
createLBPHFaceReco
×1
CUDA
×1
CvLevMarq
×1
differences
×1
essential-matrix
×1
fedora
×1
ffmeg
×1
findFundamentalMat
×1
finding
×1
flask
×1
fundamental-matrix
×1
gpumat
×1
image
×1
imageprocessing#edge
×1
Imgproc
×1
in
×1
infrared
×1
installation
×1
Licence
×1
linux
×1
lmsolver
×1
matchShapes
×1
multiplecamera
×1
Multithreading
×1
mutex
×1
#opencv
×1
opnecv
×1
pictures
×1
position-tracking
×1
post
×1
pthread
×1
putText
×1
pyqt5
×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
×