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29,830 questions
Tagged
557
views
1
answer
no
votes
2019-04-27 12:25:02 -0600
D3CIM8OR
Problem compiling kalman filter program
compile
Linking
kalman
KalmanFilter
102
views
no
answers
no
votes
2019-04-27 05:07:49 -0600
vasilev
spectrum component after DFT [closed]
javacv
opencv
dft
fourier
spectrum
2k
views
1
answer
2
votes
2019-04-29 13:19:27 -0600
supra56
Does SimpleBlobDetector ignore blobs at the edges of an image?
blob-detection
673
views
1
answer
no
votes
2019-04-27 15:23:55 -0600
Tetragramm
Why at() return 3 values for a grayscale image
grayscale
207
views
1
answer
no
votes
2019-04-26 11:16:41 -0600
eshirima
What is kernelX and kernelY means in sepFilter2D?
sepFilter2d
219
views
no
answers
no
votes
2019-04-26 09:16:24 -0600
Archjbald
Does cv::triangulatePoints refine results whe used with several points ?
3dreconstruction
triangulatePoints
refinement
76
views
no
answers
no
votes
2019-04-26 09:03:40 -0600
harfbuzz
Assign two threshold values for two ranges of pixels
thershold
244
views
no
answers
no
votes
2019-04-26 07:48:56 -0600
trttrt
Pose Estimation Tutorial not compiling
opencv
poseestimation
192
views
no
answers
no
votes
2019-05-01 01:20:59 -0600
lost_spirit0
OpenCV manager 2.4.9 incompatible with Android 8.0
android
409
views
1
answer
no
votes
2019-04-26 05:04:13 -0600
kbarni
Display the bottom image of the line and cut the upper image using Opencv
python
150
views
no
answers
no
votes
2019-04-25 20:01:02 -0600
zack
GaussianBlur in windows10 vs2017 and ubuntu g++ has different speed?
ubuntu
time
vs2017
455
views
1
answer
no
votes
2019-04-25 10:08:24 -0600
Aeroclassics
Building 3.4.6, Windows 10 with Cuda
OpenCV-3.4.6
64-bitwindows
vs2015
CUDA-9.2
99
views
no
answers
no
votes
2019-04-25 08:57:50 -0600
LBerger
to extract video and move into the newfolder [closed]
c++
opencv
1k
views
no
answers
no
votes
2019-04-25 11:13:24 -0600
lxk820
opencv dnn yolo3-tiny can not get the same result as darknet yolo3-tiny
yolo
opencv
dnn
object
detection
506
views
no
answers
no
votes
2019-04-25 04:10:14 -0600
Shubhamm
Mask a room using OpenCV
opencv
python
masking
142
views
no
answers
no
votes
2019-04-25 02:58:34 -0600
osguli
on multithreading, when i try connect rstp url that increase connection time
videocapture
Open
time
thread
c++
354
views
1
answer
no
votes
2019-04-25 02:42:08 -0600
cheermc
Fail to manually build opencv4.1.0 on centos6
installation
295
views
no
answers
no
votes
2019-04-25 03:16:42 -0600
Ejok
highgui lib cannot link to qt5widgets (opencv3.2 qt5.7 static linking)
qt
staticlib
Opencv3.2.0
highgui
qt5widgets
147
views
no
answers
no
votes
2019-04-24 15:47:39 -0600
LiorA
Feature Detection Functioning Explanation
feature-detection
6k
views
1
answer
no
votes
2019-04-24 14:03:29 -0600
supra56
Trying to convert 'BGR to Gray'
windows
opencv
python
spyder
2k
views
1
answer
2
votes
2019-11-02 17:24:36 -0600
Gilad Darmon
How to install opencv 4.1 using CMake and Visual Studio 2013?
c++
opencv4
visual-studio-2013
1k
views
1
answer
no
votes
2019-04-24 13:46:50 -0600
sturkmen
No matching function for call to 'rectangle'
cvRectangle
ios
drawrectangle
249
views
1
answer
no
votes
2019-04-24 14:16:53 -0600
Chris
Is there any way to thin out the characters after Otsu thresholding?
segmentation
threshold
recognition
1k
views
1
answer
2
votes
2019-04-25 03:33:23 -0600
berak
CSRT tracker psr_threshold meaning and usage
csrt
threshold
57
views
no
answers
no
votes
2019-04-24 06:57:03 -0600
iamM
how to create 4 dims array using CvMatND. [closed]
c++
opencv
CvMatND
1k
views
no
answers
no
votes
2019-04-24 06:02:47 -0600
deejay_94
Could not connect pins - RenderStream() UnityEngine.WebCamTexture:Play() [closed]
intel
realsense
d435
unity
629
views
1
answer
no
votes
2019-04-24 03:42:38 -0600
Nurvadli
i have 6 errors when trying to install opencv on my macbook pro
macos
2k
views
1
answer
no
votes
2019-04-24 04:21:40 -0600
berak
Copy smaller mat to part of bigger mat
android
Mat
103
views
no
answers
no
votes
2019-04-23 22:31:38 -0600
Christoph
How to count how many times a point was tracked with opticalFlow
calcOpticalFlowPyrLK
69
views
no
answers
-1
votes
2019-04-24 01:24:33 -0600
berak
Hi. Trying to troubleshoot this error
windows
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