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
1k
views
no
answers
no
votes
2020-05-26 01:17:05 -0600
berak
How to use FindHomography (parameters) in opencv android studio?
opencv
173
views
no
answers
no
votes
2020-05-25 19:49:34 -0600
icebeing
Canny's Gaussian kernel...
canny
Convolution
GaussianKernel
101
views
no
answers
no
votes
2020-05-25 11:42:31 -0600
bengineer19
Do image descriptors work for every type of image?
SIFT
descriptors
search
1k
views
no
answers
no
votes
2020-05-25 11:11:55 -0600
supra56
Opencv in ubuntu 20.04 undefined reference [closed]
c++
opencv
443
views
1
answer
no
votes
2020-05-25 10:58:49 -0600
supra56
Visual Studio and libraries
visual-studio
libraries
1k
views
no
answers
1
vote
2020-05-25 09:30:07 -0600
larrydong
findTransformECC iterations do not converge
FindTransformECC
355
views
no
answers
no
votes
2020-05-24 19:32:12 -0600
michaelw
Can OpenCV be used to read a water level gauge board from images of the gauge board
water
level
gauges
image
processing
123
views
no
answers
no
votes
2020-05-24 20:58:37 -0600
supra56
Independent scaling on x and y direction of image
scaling
warpAffine
234
views
no
answers
no
votes
2020-05-24 08:03:42 -0600
YashRunwal
Extracting same point from images
python
333
views
no
answers
no
votes
2020-05-24 05:50:41 -0600
Gelembjuk
How to find a border between sky/ground on a photo?
android
1k
views
1
answer
no
votes
2020-07-14 04:47:31 -0600
berak
executing stitching example throws error: (-2:Unspecified error) OpenCV samples: Can't find required data file: --try_use_gpu in function 'findFile'
image-stitching
cpp
527
views
1
answer
no
votes
2020-05-24 04:49:52 -0600
kpachinger
Sorting centroids
Euclidean_distance
centroid
1k
views
2
answers
no
votes
2020-05-26 07:01:09 -0600
Rok
OpenCV DNN net.forward giving segmentation fault.
dnn
openvino
RaspberryPi
tensorflow
261
views
1
answer
no
votes
2020-05-23 16:09:00 -0600
mvuori
How to detect face from 5 meters ?
5meterdetection
475
views
no
answers
no
votes
2020-05-23 06:46:35 -0600
denisaurcan
How could I implement my own warpPerspective function?
opencv
594
views
no
answers
no
votes
2020-05-25 06:51:34 -0600
Sagnik18
How to extract conjunctiva portion from eye image
computer-vision
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
502
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
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
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
2020-05-22 08:55:35 -0600
supra56
Python OpenCV: Canny Edge Detection for Stickerless Rubik's Cube
RubikCube
canny
395
views
no
answers
no
votes
2020-05-21 06:14:44 -0600
Aquas
No markers detected with aruco
aruco
opencv3.1
detectmarkers
3k
views
1
answer
-1
votes
2020-06-25 17:24:45 -0600
Teejay
Get an error when trying to install openCV. I don't understand the fix.
install
error
long
138
views
no
answers
no
votes
2020-05-20 18:31:16 -0600
plugwash
why does matallocator have two allocate functions.
CvMat
231
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
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
« previous
1
...
32
33
34
35
36
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×5
canny
×2
CUDA
×2
dnn
×2
python
×2
4.3.0
×1
5meterdetection
×1
android
×1
aruco
×1
AssertionFailed-215
×1
autosize
×1
build-error
×1
c++
×1
centroid
×1
computer-vision
×1
Convolution
×1
cpp
×1
cudaoptflow
×1
cuDNN
×1
CvMat
×1
descriptors
×1
detectmarkers
×1
error
×1
Euclidean_distance
×1
FindTransformECC
×1
gauges
×1
GaussianKernel
×1
image
×1
image-stitching
×1
imshow
×1
install
×1
level
×1
libraries
×1
long
×1
make
×1
namedwindow
×1
opencv3.1
×1
opencv4
×1
opencv_contrib
×1
opencv#python#video
×1
openvino
×1
processing
×1
RaspberryPi
×1
RubikCube
×1
scale
×1
scaling
×1
search
×1
SIFT
×1
stereo
×1
tensorflow
×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
×
