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
277
views
no
answers
no
votes
2019-11-09 10:27:21 -0600
Ahmet
clipping a raster data within a polygon
image-data
1k
views
no
answers
no
votes
2019-11-09 09:50:16 -0600
Jim Chaik
Understanding ArUco Pose Estimation
aruco
1k
views
1
answer
no
votes
2019-11-09 02:00:00 -0600
SCodeZ
Finding subpixel position of fiducial shapes (Plus, Dot, Square)
fiducial
square
Plus
dot
193
views
no
answers
no
votes
2019-11-09 00:47:56 -0600
Aman jaiswal
How to measure an angle between three red color dot in a image?
opencv
733
views
no
answers
6
votes
2019-11-08 22:46:39 -0600
Akhil Patel
speeding up camera preview in android opencv using CameraBridgeViewBase class and JavaCameraView? [closed]
android
opencv
drawcontour
6k
views
no
answers
7
votes
2019-11-08 22:45:52 -0600
Akhil Patel
How to detect and crop rectangle and apply transformation from an image? [closed]
android
opencv
transform
canny
houghline
drawcontour
579
views
no
answers
1
vote
2019-11-08 20:30:00 -0600
supra56
Cant run opencv apps after macOS Catalina update - hdf5 missing[SOLVED]
macos
150
views
no
answers
no
votes
2019-11-08 19:10:25 -0600
Sandeep Kumar
Different variants of Local binary pattern of image
Local
local-binary-pattern
1k
views
1
answer
no
votes
2019-11-08 08:58:29 -0600
kbarni
How to speed up the OpenCV using GPU？
acceleration
145
views
no
answers
no
votes
2019-11-08 08:48:23 -0600
saurabh162
Could not find ChessboardCorners in following picture
opencv
c++
761
views
no
answers
no
votes
2019-11-08 08:08:20 -0600
Dimitar Veljanovski
Debug Assertion Error when detecting object and scene points in OpenCV
c++
opencv
138
views
no
answers
no
votes
2019-11-08 06:37:25 -0600
JoseAFern
cv::ml::RTrees variable importance
ml
RTrees
importance
4k
views
1
answer
no
votes
2019-11-08 04:24:52 -0600
cudawarped
How to resize image with nvidia GPU?
CUDA
resize
383
views
no
answers
no
votes
2019-11-08 03:56:21 -0600
voqv
initUndistortRectifyMap allows empty camera matrix?
fisheye
Calib3d
calibration
initUndistortRectify
Undistort
2k
views
1
answer
no
votes
2019-11-08 03:13:29 -0600
berak
Make error about opencv_contrib 3.4.8
ubuntu
18.04
opencv
3.4.8
opencv_contrib
396
views
1
answer
no
votes
2019-11-08 01:51:36 -0600
berak
How to extract a 2D vector from 4D Mat and get maximum value
CvMat
dnn
191
views
no
answers
no
votes
2019-11-07 21:54:00 -0600
superbelll
how to show position on image? // python [closed]
opencv
414
views
no
answers
no
votes
2019-11-07 16:44:05 -0600
light0090
OpenCV using Movidius NCS2 error using Darknet
opencv
openvino
python
darknet
deep-learning
43k
views
1
answer
1
vote
2019-11-07 16:14:21 -0600
stiv-yakovenko
How can I "Set OPENCV_ENABLE_NONFREE CMake option and rebuild the library in function 'create'"?
c++
SURF
nonfree
92
views
no
answers
no
votes
2019-11-07 11:29:21 -0600
berak
My 2 camera's video capture program didn't work
opencv
2k
views
1
answer
no
votes
2019-11-07 11:12:58 -0600
berak
Alternative of cvGetWindowHandle() in opencv4+
C++#MFC#libraries
241
views
no
answers
no
votes
2019-11-07 04:35:53 -0600
constantine
How to set up cmake to enable dynamic and static builds?
cmake
c++
setup
756
views
2
answers
no
votes
2019-11-07 03:36:57 -0600
kbarni
Give random color to each intensity
random-color
181
views
no
answers
no
votes
2019-11-07 00:10:32 -0600
Niteshgarg
Need an OpenCV expert to help with Auto Medicine Counting
objectCounting
objectdetection
822
views
2
answers
no
votes
2019-11-06 14:04:15 -0600
supra56
OpenCV does not read Logitech C920 .wmv files
wmv
metadata
logitech
CaptureVideo
opencv
python
1k
views
1
answer
no
votes
2019-11-06 09:19:00 -0600
NicoBlu
How to bundle openCV *.so files into libopencv_java3.so (or single *.so file) ?
android
libopencv_java3.so
139
views
no
answers
no
votes
2019-11-06 04:40:06 -0600
Govarthanan
Using calibrateCamera without Chessboard Java
android
1k
views
no
answers
no
votes
2019-11-06 03:17:41 -0600
supra56
How to get the scale factor from Mx,i = cv2.estimateAffinePartial2D
estimateAffine2D
scalefactor
122
views
no
answers
no
votes
2019-11-06 03:13:01 -0600
lolitsgab
Grabcut outputs only what was marked as GC_FGD
grabcut
java
foreground
extraction
Overlooked
1k
views
1
answer
no
votes
2019-11-06 02:00:07 -0600
LBerger
AttributeError: module 'cv2' has no attribute 'calibrateHandEye'
calibrateHandEye
python
« previous
1
...
79
80
81
82
83
...
995
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×10
android
×4
c++
×4
python
×3
drawcontour
×2
18.04
×1
3.4.8
×1
acceleration
×1
aruco
×1
Calib3d
×1
calibrateHandEye
×1
calibration
×1
canny
×1
CaptureVideo
×1
cmake
×1
C++#MFC#libraries
×1
CUDA
×1
CvMat
×1
darknet
×1
deep-learning
×1
dnn
×1
dot
×1
estimateAffine2D
×1
extraction
×1
fiducial
×1
fisheye
×1
foreground
×1
grabcut
×1
houghline
×1
image-data
×1
importance
×1
initUndistortRectify
×1
java
×1
libopencv_java3.so
×1
Local
×1
local-binary-pattern
×1
logitech
×1
macos
×1
metadata
×1
ml
×1
nonfree
×1
objectCounting
×1
objectdetection
×1
opencv_contrib
×1
openvino
×1
Overlooked
×1
Plus
×1
random-color
×1
resize
×1
RTrees
×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
×
