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
351
views
no
answers
-1
votes
2014-08-19 20:17:29 -0600
sam001
How and where do i store my gestures for Gesture recognition technology?
c++
hand-gestures
293
views
no
answers
no
votes
2016-04-16 08:28:29 -0600
sara1691362
emotion classification with SVM
SVM
opencv
448
views
no
answers
no
votes
2018-03-18 06:44:56 -0600
csthakur
Accumulator array in Hough transform
HoughLines
138
views
no
answers
no
votes
2014-11-19 03:11:57 -0600
muhammedabuali
what does the size attribute of the Keypoint class means?
#opencv#c++#
KeyPoint+SIFT
877
views
no
answers
no
votes
2014-07-24 02:59:19 -0600
Shiloh
How I can create samples using opencv 2.4.9 using command prompt, there's only opencv_createsamples.exe for visual studio?
traincascade
262
views
no
answers
3
votes
2013-12-11 18:36:55 -0600
xaffeine
How were the stock face detectors trained/tested?
cascadeclassifier
Face-Detection
140
views
no
answers
no
votes
2014-04-13 16:09:46 -0600
techlearner
How to calculate False Accept and Reject Rates in pattern recognition?
deleted
222
views
no
answers
no
votes
2019-10-14 13:06:41 -0600
just2read
ccalib, Multi Camera Calibration allways to few points
ccalib
multicamera
multicam
300
views
no
answers
no
votes
2016-11-02 16:09:37 -0600
Liron Taub
OpenCV android projectPoints - Assertion failed
android
1k
views
no
answers
no
votes
2016-10-25 18:19:05 -0600
kasparov092
Installation on Ubuntu 16.04 with Anaconda for python 3.5
opencv
python
anaconda
175
views
no
answers
-1
votes
2014-07-04 15:13:42 -0600
Paul Jurczak
Support for RG1G2B channels
raw
Bayer
BG1G2R
2k
views
no
answers
no
votes
2013-07-06 06:33:30 -0600
Gibtnix
Problems with OpenCV 2.4.5 and MonoDevelop
opencv
Monodevelop
linux
349
views
no
answers
no
votes
2019-02-08 08:24:06 -0600
bear
count objects & polygons opencv.js
javascript
polygons
points
97
views
no
answers
no
votes
2019-06-16 11:41:57 -0600
Dattatray
Need help to select tool to learn computer vision,having C++ experience.
tools
85
views
no
answers
no
votes
2016-04-26 10:55:44 -0600
sotiraw
why Opencv with Qt cmd remains after actual opencv window is closed
qt
opencv
90
views
no
answers
no
votes
2016-06-23 04:18:25 -0600
RohanS
I am doing camera calibration and the camera matrix i get has a huge value of camera constant(10^4).Is this normal??.
calibrateCamera
264
views
no
answers
no
votes
2017-07-10 21:19:02 -0600
hoang anh tuan
Not able to get frame from the second run (OpenCV on Rasbian)?
Raspberry
videocapture
286
views
no
answers
no
votes
2018-10-06 09:56:05 -0600
jasper12
are these algorithm to OpenCV API function conversions correct?
aruco
python
numpy
282
views
no
answers
no
votes
2014-08-20 15:35:22 -0600
giza
Error building openCV - dumpOpenCLDevice() method error
#ocl
#opencv#c++
#OpenCL
#amd
403
views
no
answers
no
votes
2017-02-17 08:46:15 -0600
Aeroclassics
HOG Getting an Assertion
funny
212
views
no
answers
no
votes
2019-08-25 04:08:32 -0600
Crazy Sage
Problem with OpenCV and MinGW 7.3.2
mingw
opencv
c++
install
364
views
no
answers
no
votes
2019-11-12 11:51:53 -0600
postlude
Identifying and tracking drinks bottles in OpenCV *without* machine learning
objectdetection
objecttracking
688
views
no
answers
1
vote
2015-12-24 07:39:12 -0600
Momo
the largest circle in palm contour
center
palm
large
circle
843
views
no
answers
no
votes
2015-05-18 07:07:45 -0600
begueradj
Unable to stop the stream: Bad file descriptor
python
opencv
camera
285
views
no
answers
no
votes
2020-06-22 14:38:35 -0600
Alice_aj
Relative translation - Aruco
aruco
pose-estimation
3k
views
no
answers
no
votes
2016-06-24 12:26:59 -0600
kaylee frye
How do I switch between versions of OpenCV?
multiple-versions
265
views
no
answers
1
vote
2014-03-17 09:58:28 -0600
GilLevi
Trouble In running a new algorithm I've added to OpenCV
features2d
algorithm
484
views
no
answers
no
votes
2019-11-30 11:19:34 -0600
Kitnos
Knn for keypoints and descriptors of SIFT
KNN
SIFT
c++
1k
views
no
answers
no
votes
2020-07-08 08:55:49 -0600
laura
OpenCL error CL_INVALID_VALUE in findChessboardCornersSB
opencl
cpp
c++
opencv
207
views
no
answers
no
votes
2017-07-10 12:17:41 -0600
gfx
C++ opencv3 no ideas how to divide these thresholded image
c++
features2d
« previous
1
2
3
4
5
...
412
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×7
c++
×5
python
×3
aruco
×2
features2d
×2
algorithm
×1
#amd
×1
anaconda
×1
android
×1
Bayer
×1
BG1G2R
×1
calibrateCamera
×1
camera
×1
cascadeclassifier
×1
ccalib
×1
center
×1
circle
×1
cpp
×1
deleted
×1
Face-Detection
×1
funny
×1
hand-gestures
×1
HoughLines
×1
install
×1
javascript
×1
KeyPoint+SIFT
×1
KNN
×1
large
×1
linux
×1
mingw
×1
Monodevelop
×1
multicam
×1
multicamera
×1
multiple-versions
×1
numpy
×1
objectdetection
×1
objecttracking
×1
#ocl
×1
opencl
×1
#OpenCL
×1
#opencv#c++
×1
#opencv#c++#
×1
palm
×1
points
×1
polygons
×1
pose-estimation
×1
qt
×1
Raspberry
×1
raw
×1
SIFT
×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
×