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29,830 questions
Tagged
475
views
no
answers
no
votes
2020-05-23 06:46:35 -0600
denisaurcan
How could I implement my own warpPerspective function?
opencv
93
views
1
answer
1
vote
2020-05-23 03:21:31 -0600
berak
can we run python program created using opencv version 4.1.2 in version 4.2
version
501
views
1
answer
no
votes
2020-05-22 13:25:21 -0600
mvuori
How to save a previous video frame in a live video clip
opencv#python#video
99
views
no
answers
no
votes
2020-05-22 10:05:29 -0600
CJA
findHomography give bad results
opencv
263
views
no
answers
no
votes
2020-05-22 09:52:29 -0600
yurky
Trying to build MediaCapture (Universal Windows) MIDL4304
build-error
2k
views
1
answer
no
votes
2020-05-22 08:55:35 -0600
supra56
Python OpenCV: Canny Edge Detection for Stickerless Rubik's Cube
RubikCube
canny
625
views
1
answer
no
votes
2020-05-22 08:27:02 -0600
supra56
[SOLVED]Determining number of Traffic Light Pattern after Detecting Traffic Light [closed]
c++
opencv
colorsegmentation
Haar
594
views
1
answer
no
votes
2020-05-22 05:22:40 -0600
cudawarped
error buiding cudaoptflow/samples/optical_flow.cpp on current master branch for opencv AND contrib
opencv4
opencv_contrib
CUDA
make
cudaoptflow
2k
views
1
answer
no
votes
2020-05-21 23:47:17 -0600
meathead2k2
Create VP09 video - writer not open
videowriter
vp9
vp8
107
views
no
answers
no
votes
2020-05-21 19:01:24 -0600
tshep
how to follow a pix value by checking the neighbors 3x3 in x,y imread()
opencv
python
3k
views
2
answers
no
votes
2020-05-21 07:19:08 -0600
supra56
Python openCV drawing functions does not work?!
python
opencv
missing
plugin
installing
error
2k
views
1
answer
no
votes
2020-05-21 06:57:47 -0600
supra56
Error 'module' object has no attribute 'TrackerMIL_create'
error
tracking
python
python2.7
opencv
395
views
no
answers
no
votes
2020-05-21 06:14:44 -0600
Aquas
No markers detected with aruco
aruco
opencv3.1
detectmarkers
346
views
1
answer
no
votes
2020-05-21 04:59:54 -0600
kpachinger
isolate clover leaves on grass
clover
grass
579
views
2
answers
no
votes
2020-05-21 04:55:26 -0600
kpachinger
How to place one rectangle inside another one without intersections?
rectangles
intersection
7k
views
2
answers
no
votes
2020-05-21 03:27:32 -0600
berak
gcc: error: long: No such file or directory
qt
opencv
windres.exe
1k
views
1
answer
no
votes
2020-05-21 02:45:09 -0600
berak
Can you help me with nail detection please?
objectdetection
20k
views
1
answer
no
votes
2020-05-20 21:00:53 -0600
supra56
[Solved]cv2.cv2' has no attribute 'Tracker_create error [closed]
tracking
14k
views
no
answers
no
votes
2020-05-20 20:35:37 -0600
supra56
[Solved]OpenCV error: (-215:Assertion failed), read and display an image [closed]
AssertionFailed-215
195
views
1
answer
no
votes
2020-05-20 18:50:12 -0600
kpachinger
Need bit of help with image constructing
python
add
138
views
no
answers
no
votes
2020-05-20 18:31:16 -0600
plugwash
why does matallocator have two allocate functions.
CvMat
230
views
no
answers
no
votes
2020-05-20 16:36:15 -0600
jp2112
why is imshow window 2:1 scaled on one pc, 1:1 scaled on another with idential code?
imshow
namedwindow
autosize
4.3.0
scale
ubuntu18.04
131
views
no
answers
-1
votes
2020-05-20 12:21:07 -0600
yr
Pose Estimation of moving stereo camera
stereo
10k
views
1
answer
no
votes
2020-05-20 12:06:43 -0600
rgov
Building DNN module with cuDNN backend
CUDA
dnn
cuDNN
447
views
1
answer
no
votes
2020-05-20 08:09:38 -0600
berak
How to use cv::ocl::BilateralFilter in c++ code
opencl#opencv
403
views
1
answer
no
votes
2020-05-20 03:50:50 -0600
berak
How to calculate the distortion coefficients from two aerial images ?
calibration
cameraCalibration
Opencv4.1.1
171
views
1
answer
no
votes
2020-05-20 03:34:07 -0600
berak
Is there a demo for using Kalman Filter in OpenCV-Python?
KalmanFilter
1k
views
no
answers
no
votes
2020-05-20 00:48:27 -0600
YashRunwal
Extracting Curved Contours
python
339
views
1
answer
no
votes
2020-05-19 21:45:09 -0600
supra56
How to write first N images of video frames
VideoWirter
261
views
no
answers
no
votes
2020-05-19 18:17:31 -0600
erdalkomurcu
Absolute orientation on stereo images
absoluteorientation
Stereovision
image#orientation
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