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
29,830 questions
Tagged
884
views
3
answers
no
votes
2019-12-30 03:36:01 -0600
Gandalf2019
cv::cuda::convolve artifacts
CUDA
Convolve
filter
artifacts
LinearFilter
174
views
no
answers
no
votes
2019-12-30 00:02:47 -0600
dineshlama
How to find hierarchy of multiple contours
contour
388
views
no
answers
no
votes
2019-12-29 23:20:22 -0600
jaylo
OpenCV Blender causes CL_BUILD_PROGRAM_FAILURE
stitching
opencl
c++
697
views
2
answers
no
votes
2019-12-29 13:55:02 -0600
bwvb
Just linking to opencv ruins thread-concurrency!?
c++
Multithreading
338
views
no
answers
no
votes
2019-12-29 10:39:00 -0600
AstroBen
CUDA: Has anyone tried passing GpuMats to other Python CUDA modules?
CUDA
python
opencv
cupy
2k
views
no
answers
no
votes
2019-12-29 10:03:51 -0600
Gourav
Difference in output of minAreaRect in python and c++
minAreaRect
488
views
1
answer
no
votes
2019-12-29 06:38:44 -0600
berak
Java DNN Help
cv2.dnn
143
views
no
answers
no
votes
2019-12-29 03:17:11 -0600
dineshlama
Check larges polygon in contour [closed]
contour
190
views
1
answer
2
votes
2019-12-29 03:08:04 -0600
berak
Help required in contributing code to opencv 3.4 branch
tutorial
github
522
views
no
answers
no
votes
2019-12-28 19:52:18 -0600
2Smoker
Does CV_DISABLE_OPTIMIZATION disable all optimizations?
cmake
optimization
255
views
no
answers
no
votes
2019-12-28 19:25:49 -0600
papabiceps
Learning the background model using images
opencv
BackgorundSubtractor
3k
views
1
answer
no
votes
2019-12-28 13:11:31 -0600
cudawarped
Can't find GpuMAT() functions in v4.2.0-dev compiled with python & CUDA
python#cuda#opencv
3k
views
no
answers
no
votes
2019-12-28 07:54:19 -0600
berak
Assertion failed (!fixedType() || ((Mat*)obj)->type() == mtype) in cv::_OutputArray::create while Performing DFT
assertion
c++
opencv
dft
1k
views
1
answer
no
votes
2019-12-28 02:23:32 -0600
cudawarped
dnn with cuda on 4.20
CUDA
123
views
no
answers
no
votes
2019-12-27 09:08:04 -0600
Galactic3D
Real-time location mapping using 3d model
real-time
mapping
2k
views
no
answers
no
votes
2019-12-27 08:28:20 -0600
Marius Gaus
No module named 'cv2' but opencv is installed
python
cv2
opencv-python
1k
views
1
answer
no
votes
2019-12-27 07:00:36 -0600
cudawarped
Building OpenCV 4 requires CC 5.3 or higher - RTX 2080TI
opencv4
opencv4.2
CUDA
dnn
DNN_BACKEND_CUDA
2k
views
no
answers
no
votes
2019-12-27 05:34:46 -0600
arnthorg
Syncing multiple cameras with the multiprocessing library
opencv
python
RaspberryPi
304
views
1
answer
no
votes
2019-12-27 03:17:36 -0600
cudawarped
cuda fastfeaturedetector
CUDA
Jetsonnano
copencvpython
FastFeatureDetector
734
views
no
answers
1
vote
2019-12-27 01:57:05 -0600
evgevd
DNN forwards only first image
c++dnnopencv
dnn
dnn.forward
1k
views
no
answers
no
votes
2019-12-26 15:10:38 -0600
hernancrespo
How to plot histogram of an area inside a contour [closed]
histogram
contour
365
views
no
answers
no
votes
2019-12-26 13:12:32 -0600
Vkkindia
GCR and UCR - python Possible
gcr
ucr
python
260
views
no
answers
no
votes
2019-12-26 12:00:26 -0600
BadMachine
Triangulate points using Hartley & Zisserman (iterative) method [closed]
triangulation
890
views
1
answer
no
votes
2019-12-26 09:29:07 -0600
supra56
Error of opening camera with OpenCV
cv2.videocapture
camera
434
views
no
answers
no
votes
2019-12-26 09:07:59 -0600
supra56
Detecting Certain Classes with OpenCV DNN
c++#dnn#opencv
9k
views
1
answer
no
votes
2019-12-26 08:21:42 -0600
supra56
Unable to find and draw biggest contour
copencv
FindContour
max
1k
views
no
answers
no
votes
2019-12-25 10:51:23 -0600
muaz65
Issue with cv2.PerspectiveTransform and Direct Point Specific Homography Translation [Python]
perspectiveTransform
HomographyMatrix
translationMatrix
cv#opencv#python
202
views
no
answers
no
votes
2019-12-25 10:08:23 -0600
PeymanTGH
Calibrate camera using cube [closed]
calibrateCamera
20k
views
4
answers
2
votes
2019-12-25 04:06:27 -0600
Sherman
install opencv for anaconda ipython
anaconda
ipython
527
views
no
answers
no
votes
2019-12-24 14:18:38 -0600
karDilip
OpenCV Java: Iterate through all points in Line as obtained from FitLine & find distance of each point to Contour edge using pointPolygonTest - Little Help Please!
opencv
java
« previous
1
...
68
69
70
71
72
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
CUDA
×5
opencv
×5
python
×4
c++
×3
contour
×3
dnn
×2
anaconda
×1
artifacts
×1
assertion
×1
BackgorundSubtractor
×1
calibrateCamera
×1
camera
×1
c++dnnopencv
×1
c++#dnn#opencv
×1
cmake
×1
Convolve
×1
copencv
×1
copencvpython
×1
cupy
×1
cv2
×1
cv2.dnn
×1
cv2.videocapture
×1
cv#opencv#python
×1
dft
×1
DNN_BACKEND_CUDA
×1
dnn.forward
×1
FastFeatureDetector
×1
filter
×1
FindContour
×1
gcr
×1
github
×1
histogram
×1
HomographyMatrix
×1
ipython
×1
java
×1
Jetsonnano
×1
LinearFilter
×1
mapping
×1
max
×1
minAreaRect
×1
Multithreading
×1
opencl
×1
opencv4
×1
opencv4.2
×1
opencv-python
×1
optimization
×1
perspectiveTransform
×1
python#cuda#opencv
×1
RaspberryPi
×1
real-time
×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
×
