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
12,357 questions
Tagged
742
views
no
answers
no
votes
2020-09-11 13:10:58 -0600
berak
People Counter with Raspberry Pi 4 on Vertical View
OpenCV-2.4.9
raspberrypi4
footfall
525
views
no
answers
no
votes
2014-04-28 03:52:03 -0600
Yasmin93
Unrecognized Array type in cvGetMAt ,Moment Normalization
Moment
Normalization
bad
array
error
676
views
no
answers
no
votes
2015-08-06 23:18:14 -0600
LgArcida
Opencv 3.0 contrib Java
java
2k
views
no
answers
no
votes
2020-03-31 11:07:09 -0600
wwwzhuanli
fps is not right when i save video from camera
camera
567
views
no
answers
1
vote
2012-10-31 04:09:25 -0600
TheManWhoLaughs
which frame grabber HD can i use with OpenCV ?
Grabber
Elgato
199
views
no
answers
no
votes
2020-10-03 09:59:44 -0600
firebladed
What type shoukd be used cv::Mat.forEach on 16bit Greyscale (CV_16UC1)
forEach
772
views
no
answers
no
votes
2015-08-16 03:23:36 -0600
Nbb
openMP imshow
openmp
6k
views
no
answers
2
votes
2015-02-24 09:14:29 -0600
Passing by
Exclude modules while building OpenCV
android
1k
views
no
answers
1
vote
2015-09-14 15:23:21 -0600
mbaltus
Most Efficient Alpha Blending
alpha
Blend
efficient
loop
582
views
no
answers
no
votes
2020-12-02 08:00:45 -0600
Ting
Reduce the opencv framework size by using size optimization
size
optimization
ios
xcode
gcc
compiler
3k
views
no
answers
1
vote
2017-11-12 18:28:23 -0600
phillity
Build Java wrappers OpenCV 3.3.0 with contrib
java
wrappers
3.3.0
contrib
18k
views
no
answers
no
votes
2015-03-12 14:58:40 -0600
theodore
Can't find xfeatures2d.hpp
xfeatures2d.hpp
missing
776
views
no
answers
no
votes
2019-08-15 08:08:58 -0600
Sparkplug
Segmentation fault while using createTrackBar in OpenCV-Python
opencv
python
267
views
no
answers
1
vote
2020-07-16 10:14:57 -0600
kbarni
Undocumented HighGui functions
startwindowthread
646
views
no
answers
no
votes
2015-05-26 05:27:27 -0600
itack
OpenCV for android Face detection sample
android
opencv4android
Facedetection
171
views
no
answers
no
votes
2017-12-07 20:20:51 -0600
Hank538
Generate .clb files when using OpenCL
opencl
158
views
no
answers
no
votes
2018-07-07 01:06:51 -0600
Yantao Xie
Error: The document of the warpAffine is not in accordance with the source code
bugs
documentation
334
views
no
answers
no
votes
2015-01-15 10:51:21 -0600
Willis
How to determine time to collision
android
380
views
no
answers
no
votes
2017-09-04 05:13:37 -0600
stephen-mhc
OpenCV Android. Error (assertion failed) in projectPoints() in Calib3d.
AndroidOpenCV
763
views
no
answers
no
votes
2016-11-24 13:33:13 -0600
LBerger
Error while building opencv_contrib with Eigen
mingw-w64
283
views
no
answers
no
votes
2019-08-04 06:28:08 -0600
Faded.exe
Import cv2 not working
RaspberryPi
tensorflow
190
views
no
answers
no
votes
2014-04-11 09:49:50 -0600
Inaki
Histogram and backprojection windows, in black
histogram
backprojection
black
window
problem
185
views
no
answers
no
votes
2015-05-28 17:02:36 -0600
mariusz
Optimize - draw gradient function
gradient
performance
224
views
no
answers
no
votes
2020-02-12 06:24:18 -0600
bond132
key-frame extraction, to represent video clip by one frame/img
key-frame
1k
views
no
answers
2
votes
2014-09-05 12:54:18 -0600
vc++
How to update a submatrix of a multi dimension matrix in OpenCV
#Mat#c++
#opencv
#multi-dimension
#submatrix
344
views
no
answers
no
votes
2018-01-09 18:10:54 -0600
minh
A way to work with HSL?
ask
340
views
no
answers
2
votes
2019-05-27 03:39:49 -0600
Quizzy5889
computeECC returning strange values
python#ecc#opencv
45
views
no
answers
no
votes
2016-04-06 04:11:21 -0600
lea
not able to create a simple Mat object for android
CreateMat
15k
views
no
answers
no
votes
2019-07-26 22:08:48 -0600
supra56
AttributeError: module 'cv2.cv2' has no attribute 'saliency'[SOLVED]
saliency
import
modules
64
views
no
answers
no
votes
2018-10-18 03:51:36 -0600
Harpah
How to record video live streaming form IP camera
camera#java#record
1
2
3
4
5
...
412
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
android
×3
java
×2
3.3.0
×1
alpha
×1
AndroidOpenCV
×1
array
×1
ask
×1
backprojection
×1
bad
×1
black
×1
Blend
×1
bugs
×1
camera
×1
camera#java#record
×1
compiler
×1
contrib
×1
CreateMat
×1
documentation
×1
efficient
×1
Elgato
×1
error
×1
Facedetection
×1
footfall
×1
forEach
×1
gcc
×1
Grabber
×1
gradient
×1
histogram
×1
import
×1
ios
×1
key-frame
×1
loop
×1
#Mat#c++
×1
mingw-w64
×1
missing
×1
modules
×1
Moment
×1
#multi-dimension
×1
Normalization
×1
opencl
×1
opencv
×1
#opencv
×1
OpenCV-2.4.9
×1
opencv4android
×1
openmp
×1
optimization
×1
performance
×1
problem
×1
python
×1
python#ecc#opencv
×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
×
