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31,850 questions
Tagged
4
views
no
answers
no
votes
2019-11-19 18:45:36 -0500
Luckygg
How to calculate the average with CV_32F foramt?
CV_32F
3
views
no
answers
no
votes
2019-11-19 17:07:19 -0500
isida
Calculate histogram for collored image
histogram
python
9
views
no
answers
no
votes
2019-11-19 12:00:20 -0500
Chun
Is it necessary to use StereoRectify and StereoCalibrate if I want to find the 3d coordinate of image point with two camera
triangulation
12
views
no
answers
no
votes
2019-11-19 11:13:41 -0500
zakaziko
Extract object and save it as an image.png using c++
c++
opencv
14
views
1
answer
no
votes
2019-11-19 10:22:20 -0500
berak
Python, eliminate small contours, white matte.
findContours
27
views
1
answer
no
votes
2019-11-19 09:53:46 -0500
TheEMcoder
cv::waitKey not reading keyboard input properly
waitkey
c++
19
views
no
answers
no
votes
2019-11-19 09:36:21 -0500
TheEMcoder
findChessboardCorners() gives False in OpenCV 4.1.2 C++
opencv
c++
calibrateCamera
findChessboardCorner
35
views
2
answers
no
votes
2019-11-19 09:01:32 -0500
supra56
How to exclude outliers from detected Orb features?
ORB
feature-detection
object-detection
11
views
no
answers
no
votes
2019-11-19 08:44:23 -0500
JordiGC
How does opencv with cuda work?
opticalflow
corner-detection
CUDA
performance
23
views
no
answers
no
votes
2019-11-19 08:17:58 -0500
cv_new
A configuration problem of OpenCV4
installation
python
anaconda
8
views
no
answers
1
vote
2019-11-19 05:04:33 -0500
JoseAFern
cv::ml::rtrees oob error
RTrees
ml
oob
error
17
views
no
answers
no
votes
2019-11-19 03:51:14 -0500
Vonzooooo
Build OpenCV with QMAKE
cmake
cmake-gui
opencv
qt
21
views
1
answer
1
vote
2019-11-19 02:41:03 -0500
berak
Can I cite one of the illustrative figure from the website in OpenCV in my research paper?
articles
paper
cite
citation
figure
permission
24
views
no
answers
no
votes
2019-11-18 14:48:09 -0500
supra56
how to remove black background from thresholding output in Opencv Android? [closed]
segmentation
Thresholding
9
views
no
answers
no
votes
2019-11-18 13:08:33 -0500
Hugheschen
Using CALIB_FIX_PRINCIPLE_POINT flag, but calibration result still see changes in Principle Point
calibration
103
views
1
answer
no
votes
2019-11-18 09:56:12 -0500
supra56
A problem about building OpenCV4[SOLVED]
opencv_contrib
68
views
2
answers
no
votes
2019-11-18 09:53:48 -0500
supra56
Is it possible to detect a circle with grey color and blue dot in center
houghcircle
20
views
no
answers
no
votes
2019-11-18 05:27:56 -0500
igleer
Rotating Camera Intrinsics Matrix
calibrateCamera
intrinsic
67
views
1
answer
no
votes
2019-11-18 04:04:07 -0500
supra56
A installation problem of OpenCV[SOLVED]
opencv4
11
views
no
answers
no
votes
2019-11-18 03:14:33 -0500
NicoBlu
Dynamic link issue: java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol "fread_unlocked"
DynamicLink
opencv_java
16
views
1
answer
no
votes
2019-11-18 00:59:16 -0500
berak
OpenCV video decode [closed]
Video
intel
video-processing
27
views
no
answers
no
votes
2019-11-18 00:01:37 -0500
ravikanth076@gmail.com
which version of opencv is best to download for anaconda(python 3.7))
opencv
20
views
no
answers
no
votes
2019-11-17 23:37:31 -0500
cv_new
How to import OpenCV library in PyCharm by self-building
pycharm
8
views
no
answers
no
votes
2019-11-17 20:51:47 -0500
blinking
Compile aruco to opencv.js
OpenCV.js
aruco
30
views
no
answers
no
votes
2019-11-17 07:48:13 -0500
Crea
template matching rotation C++ to python [closed]
template
rotation
18
views
no
answers
no
votes
2019-11-17 06:30:17 -0500
Shay Weissman
OpenCv 4.1.2 Inference engin 2019 R3. readNetFromModelOptimizer crash
dnn
openvino
windows
4.1.2
33
views
1
answer
no
votes
2019-11-17 04:39:42 -0500
supra56
i am unable to install opencv using pip
installation-fails
294
views
1
answer
no
votes
2019-11-16 21:37:19 -0500
nishant_elxsi
I tried to link FFMPEG with OpenCV,but I am getting unable to stop the video stream:inappropriate ioctl device error. I tried to install latest version of FFMPEG(4.2.1) and link it to OpenCV(3.4.3) installed.But I am getting the same error.
opencv
ffmpeg
9
views
no
answers
1
vote
2019-11-16 20:28:05 -0500
HelloWorld
When I use bowtrainer.cluster(), if there are a lot of images, the application will exit with a segmentation error (core dump).
exit
15
views
no
answers
no
votes
2019-11-16 15:35:56 -0500
sina_asefi87@yahoo.com
Rotate by warpPerspective after getPerspectiveTransform by 4 points in C++
c++
opencv
1
2
3
4
5
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