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
2k
views
no
answers
no
votes
2018-06-18 15:24:44 -0600
a_zach
OpenCV(3.4.1) Error: Assertion failed (_img.rows * _img.cols == vecSize)
opencv_traincascade
2k
views
no
answers
no
votes
2016-03-30 00:00:20 -0600
berak
/lib/libopencv_calib3d.so.3.1.0: file not recognized: File truncated << make -j $nproc
error
64
views
no
answers
no
votes
2014-12-03 09:18:29 -0600
thdrksdfthmn
Is there an abstract class for all classifiers?
#Classifier
222
views
no
answers
no
votes
2020-01-14 01:44:50 -0600
Pradeep Chandra
How to connect to pelco camera using opencv python
opencv
python
pelco
4k
views
no
answers
no
votes
2018-06-02 22:33:22 -0600
Bezzzo
cvstd.hpp:622: undefined reference to `cv::String::allocate(unsigned long long)
Eclipse
c++
opencv
89
views
no
answers
no
votes
2019-02-04 04:00:35 -0600
arsalan
error in matching parameters type in c and java function
android
studio
java
cvInpaint
415
views
no
answers
no
votes
2018-06-12 09:56:52 -0600
Mehr
Why is opencv slower than Matlab in clustering?
Clusteing
speed
in
opencv
2k
views
no
answers
no
votes
2020-09-20 04:42:55 -0600
Kreace
VSCode autocompletion with OpenCV (from source)
VSCode
auto-completion
112
views
no
answers
no
votes
2015-09-10 03:26:46 -0600
Nikre93
How i can eleborate the Array of Contours?
Imgproc.line
countour
146
views
no
answers
no
votes
2016-03-09 07:19:53 -0600
SrinivasanM
How to connect external webcameras to android app?
android#opencv
1k
views
no
answers
no
votes
2016-12-10 22:34:53 -0600
Der Luftmensch
Python: Fish-eye PnP Distortion Coefficients
solvePnP
python
fish-eye
distortion
346
views
no
answers
1
vote
2018-11-03 14:05:37 -0600
shadow0679
OpenCV Manager removed from play store
android
opencv
1k
views
no
answers
no
votes
2019-02-27 11:34:58 -0600
Regzon
Building custom wheels
python
wheel
629
views
no
answers
2
votes
2018-04-12 10:16:54 -0600
john_mcdonald
180,000+ Negative Images For You To Use In Object Detection Training
deleted
1k
views
no
answers
no
votes
2014-10-04 04:47:24 -0600
lucky7456969
How to read an image from memory instead of a file?
imread
302
views
no
answers
no
votes
2016-02-10 06:19:12 -0600
jeanpat
import cv2 fails (opencv 3.1 build from source,linux)
Python2
python3
ImportError
linux
830
views
no
answers
no
votes
2013-04-28 20:27:10 -0600
Brett
ios - _OBJC_CLASS_$_CvVideoCamera", referenced from...
ios
code.opencv
OpenCV-2.4.3
opencv
xcode
575
views
no
answers
no
votes
2015-01-03 10:58:15 -0600
Deepak Kumar
find tip of pen using opencv
opencv
segmentation
2k
views
no
answers
no
votes
2013-12-15 18:32:13 -0600
lhotchkiss
calcOpticalFlowPyrLK losing single user-defined tracking point
#opencv
#python
calcOpticalFlowPyrLK
114
views
no
answers
no
votes
2018-03-21 09:38:07 -0600
FrancescoTheOtto
Looking for OpenCV developers to hire
job
254
views
no
answers
no
votes
2017-12-25 16:08:54 -0600
justadudewhohacks
Opencv 3.4 detectMultiScale with ocl not performed on GPU
OpenCV3.4.0
detectMultiScale
opencl
800
views
no
answers
no
votes
2020-02-26 07:08:10 -0600
Imran B
HSV adjustment python opencv cuda
CUDA
opencv
python
HSV
threshold
bitwise_and
1k
views
no
answers
2
votes
2014-04-17 03:01:23 -0600
chrism2671
LinearPolar/LogPolar transformation distoring an iris
logpolar
linearpolar
1k
views
no
answers
no
votes
2013-09-27 15:47:59 -0600
sohaib
Detect markers on a face and find their coordinates
c++
markerDetection
330
views
no
answers
no
votes
2019-02-21 17:25:11 -0600
patryk
Visual Studio doesn't see PS3 Eye Camera
opencv
ps3
eye
camera
visual
studio
962
views
no
answers
no
votes
2017-09-18 17:45:27 -0600
JamieCorkhill
How do I know what values to set for the blockSize and constant parameters of adaptiveThreshold().
adaptiveThreshold
226
views
no
answers
no
votes
2014-07-07 18:58:52 -0600
soulslicer
HAAR training with OpenCL
#cvHaarCascadeClassi
157
views
no
answers
1
vote
2016-09-22 13:01:20 -0600
Mike
Boosted Regression Trees OpenCV 3.1
boosting
regression
553
views
no
answers
no
votes
2016-05-17 23:04:06 -0600
MilevaMaric
How access to UMat pixel by pixel without getMat?
UMat
749
views
no
answers
no
votes
2018-11-22 10:16:41 -0600
Ronaoinoi Abqwoa
Face Recognition based Attendance system in Python, OpenCV (Attendance is not written)
python
« previous
1
...
20
21
22
23
24
...
412
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×8
python
×5
android
×2
c++
×2
studio
×2
adaptiveThreshold
×1
android#opencv
×1
auto-completion
×1
bitwise_and
×1
boosting
×1
calcOpticalFlowPyrLK
×1
camera
×1
#Classifier
×1
Clusteing
×1
code.opencv
×1
countour
×1
CUDA
×1
#cvHaarCascadeClassi
×1
cvInpaint
×1
deleted
×1
detectMultiScale
×1
distortion
×1
Eclipse
×1
error
×1
eye
×1
fish-eye
×1
HSV
×1
Imgproc.line
×1
ImportError
×1
imread
×1
in
×1
ios
×1
java
×1
job
×1
linearpolar
×1
linux
×1
logpolar
×1
markerDetection
×1
opencl
×1
#opencv
×1
OpenCV-2.4.3
×1
OpenCV3.4.0
×1
opencv_traincascade
×1
pelco
×1
ps3
×1
#python
×1
python3
×1
regression
×1
segmentation
×1
solvePnP
×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
×
