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
12,357 questions
Tagged
847
views
no
answers
1
vote
2015-08-03 08:47:37 -0600
mbkv
Why does cv::ocl::haveOpenCL() not return?
opencl
opencv3
321
views
no
answers
no
votes
2015-09-09 01:02:47 -0600
ashray.malhotra
OpenGL integration with OpenCV
opengl
opengl_interop
X64
win32
238
views
no
answers
no
votes
2015-08-03 05:09:10 -0600
BenBenJones
QT not found when compiling OpenCV on another machine
compile
qt
DLL
PATH
84
views
no
answers
no
votes
2018-10-01 22:06:12 -0600
kenneth
distanceTransform not working in Xcode
distanceTransform
objectiveC
133
views
no
answers
no
votes
2019-01-21 05:42:50 -0600
ObiWan12339
I can use updateHistoryImage with a stereo image?
c++
opencv
142
views
no
answers
no
votes
2016-03-21 06:36:35 -0600
hassouna09
how to detect a bloody scene in a video using opencv
computervision
682
views
no
answers
no
votes
2014-03-04 03:21:10 -0600
Joseph118
face recognition prediction returns the same value
javacv
1k
views
no
answers
no
votes
2013-10-12 22:01:06 -0600
ghalibjanjua
Unhandled Exception: System.AccessViolationException: Attempted to read or write protected memory.
unhandled-exception
155
views
no
answers
no
votes
2014-06-12 06:29:22 -0600
marcelobp
Facedetect not working from Camera
#RaspberryPi
#opencv
#facedetection
306
views
no
answers
no
votes
2016-06-04 05:33:32 -0600
Wei
Use Optical flow to track Feature
opticalflow
tracking
768
views
no
answers
no
votes
2017-11-22 17:38:53 -0600
Humam Helfawi
Multi camera calibration with chess board
stereo-calibration
489
views
no
answers
no
votes
2016-02-23 04:01:09 -0600
gafoor
How can I use the second argument of sift.detectAndCompute() ?
SIFT
opencv
python
587
views
no
answers
no
votes
2020-02-26 03:35:22 -0600
supra56
error: (-215:Assertion failed) blob.type() == 5 in function 'populateNet'
cv2.dnn
readNetFromONNX
onnx
1k
views
no
answers
no
votes
2013-07-11 16:46:35 -0600
jasper
templateMatch Android FATAL EXCEPTION
#java
#android
#eclipse
matchTemplate
#image-processing
492
views
no
answers
no
votes
2020-07-21 07:40:39 -0600
resge98
don't know how to predict classes with RCNN ResNet50 and the dnn method
dnn
python
readNetFromTensor
faster_rcnn
781
views
no
answers
no
votes
2016-06-08 01:44:40 -0600
Oxenden
How to push points to array
opencv
c++
dots
1k
views
no
answers
no
votes
2017-12-03 08:10:35 -0600
fiammante
Webcam Videocapture gives black frame with C++
videocapture
c++
Windows-10
158
views
no
answers
no
votes
2017-03-08 03:05:52 -0600
HD
SIFT Orientations in Opencv Implementation
SIFT
keypoint
orientation
1k
views
no
answers
no
votes
2017-12-31 05:26:47 -0600
nsssayom
OpenCV 3.2.0 installation error with Cmake and CodeLite IDE
cmake
mingw
windows
IDE
93
views
no
answers
no
votes
2017-07-13 01:36:35 -0600
mojeons
to put image button on camera video streaming
android
464
views
no
answers
no
votes
2020-07-02 06:53:03 -0600
prasanna_18
How to calculate disparity image for Left to Right from Right to Left andvice versa?
stereo
DisparityMap
3dreconstruction
StereoSGBM
217
views
no
answers
no
votes
2016-03-14 19:13:34 -0600
Carlo
Reference paper for CV_CALIB_THIN_PRISM_MODEL calibration model
thin_prism_model
129
views
no
answers
no
votes
2015-04-06 14:49:59 -0600
bajaj
Count the number of distinct faces in an video of some length
deleted
922
views
no
answers
no
votes
2017-07-28 17:42:55 -0600
John3727
How to output a mat object as an XYZ file with Python
opencv
python
3d-image
depth-image
297
views
no
answers
1
vote
2017-10-16 08:13:46 -0600
qudlaty
Problem with MOG2 OCL test
ocl
performance
MOG2
576
views
no
answers
no
votes
2020-06-12 06:29:49 -0600
Alice_aj
Calibrating iPhone for OpenCV — Square vs Normal images
pose-estimation
calibrateCamera
aruco
209
views
no
answers
no
votes
2019-06-14 10:33:41 -0600
MikeSZ
Behavior of PCA, Eigen, SVD (and other SVD)
Eigen
PCA
svd
gradient
math
opencv
663
views
no
answers
no
votes
2016-06-08 15:25:09 -0600
kinigit1969
VideoWriter MJPG AVIs Do Not Play in Windows Media Player
videowriter
mjpg
3k
views
no
answers
no
votes
2017-03-21 02:34:50 -0600
MOHAMED.CMC
undefined reference to `cv::imread(std::string const&, int)
1#CUDA6.5
14k
views
no
answers
no
votes
2018-03-06 19:24:04 -0600
AhmedSh3ban
whats are the values of red in HSV?
image-processing
HSV
« previous
1
...
406
407
408
409
410
...
412
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×5
c++
×3
python
×3
SIFT
×2
1#CUDA6.5
×1
3d-image
×1
3dreconstruction
×1
android
×1
#android
×1
aruco
×1
calibrateCamera
×1
cmake
×1
compile
×1
computervision
×1
cv2.dnn
×1
deleted
×1
depth-image
×1
DisparityMap
×1
distanceTransform
×1
DLL
×1
dnn
×1
dots
×1
#eclipse
×1
Eigen
×1
#facedetection
×1
faster_rcnn
×1
gradient
×1
HSV
×1
IDE
×1
#image-processing
×1
image-processing
×1
#java
×1
javacv
×1
keypoint
×1
matchTemplate
×1
math
×1
mingw
×1
mjpg
×1
MOG2
×1
objectiveC
×1
ocl
×1
onnx
×1
opencl
×1
#opencv
×1
opencv3
×1
opengl
×1
opengl_interop
×1
opticalflow
×1
orientation
×1
PATH
×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
×