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
2,575 questions
Tagged
c++
×
1k
views
no
answers
1
vote
2019-04-23 09:31:07 -0600
hbz
net.forward() crash in Faster-RCNN Object Detection Sample
dnn
faster_rcnn
tensorflow
samples
openvino
c++
54
views
no
answers
no
votes
2019-04-24 06:57:03 -0600
iamM
how to create 4 dims array using CvMatND. [closed]
c++
opencv
CvMatND
129
views
no
answers
no
votes
2019-04-25 02:58:34 -0600
osguli
on multithreading, when i try connect rstp url that increase connection time
videocapture
Open
time
thread
c++
85
views
no
answers
no
votes
2019-04-25 08:57:50 -0600
LBerger
to extract video and move into the newfolder [closed]
c++
opencv
49
views
no
answers
no
votes
2019-04-28 13:35:14 -0600
berak
Access Reading Violation when using CascadeClassifier.Detectmultiscale
c++
112
views
no
answers
-1
votes
2019-04-30 00:17:44 -0600
artz3345
3D Camera Pose Estimation
c++
opencv
calibrateCamera
3d
192
views
no
answers
no
votes
2019-04-30 09:12:23 -0600
TharinduEH
Overlay one video feed on another video feed.
c++
opencv
Video
236
views
no
answers
no
votes
2019-05-01 07:41:11 -0600
Kibouo
Cross-covariance of 2 sample sets.
calcCovarMatrix
covariance
c++
8k
views
2
answers
no
votes
2019-05-01 09:09:29 -0600
AbhiTronix
How to send opencv video's to ffmpeg
c++
Video
ffmpeg
640
views
no
answers
no
votes
2019-05-06 11:21:36 -0600
berak
Question about text_detection.cpp
c++
opencv
question
783
views
1
answer
1
vote
2019-05-10 03:50:57 -0600
berak
Get pixel value of sobel Mat with C++
sobel
CvMat
Mat
pixel-access
c++
CvType
331
views
1
answer
no
votes
2019-05-11 08:38:10 -0600
eshirima
Learning how to make image comparsion programs.
learningOpenCV
c++
opencv
332
views
1
answer
no
votes
2019-05-14 23:11:59 -0600
kaim
What are the functions in opencv that takes only 8bit images
opencv
python
c++
imageprocessing
2k
views
1
answer
no
votes
2019-05-16 10:17:47 -0600
berak
OpenCV Error: Image step is wrong (The matrix is not continuous, thus its number of rows can not be changed
c++
opencv
257
views
no
answers
no
votes
2019-05-18 13:01:26 -0600
thadaBoy
How to fix 'only black frames receiving' in Android with OpenCV
android
opencv
c++
jni
java
440
views
no
answers
no
votes
2019-05-23 22:23:44 -0600
supra56
OpenCV VideoCapture in Win10 VS17 cannot open more than four USB 3.0 cameras
c++
opencv
Windows10
videocapture
visualstudio
510
views
no
answers
no
votes
2019-05-24 15:09:37 -0600
Kafan
How to merge Remap InputArray and Affine Transforms
remap
affinetransform
merge
opencv
c++
508
views
no
answers
no
votes
2019-05-27 11:36:49 -0600
vchill
Is there any function to create cuda context in opencv similar to what cuCtxCreate does from cuda library?
CUDA10.0
opencv
c++
edges
1k
views
1
answer
no
votes
2019-05-28 19:16:33 -0600
Tetragramm
one point (u,v) to actual (x,y) w.r.t camera frame?
c++
opencv
camera
circle
151
views
no
answers
no
votes
2019-05-29 16:53:21 -0600
biza
How can define a region of interest in empty parking spaces?
opencv
c++
752
views
no
answers
no
votes
2019-05-30 05:08:31 -0600
mirhanu
Opencv C++ compilation error anonymous namespace ::hlineResize
libopencv_imgproc.so
c++
compile
anonymous
namespace
764
views
1
answer
no
votes
2019-06-05 12:22:58 -0600
Eduardo
C++ CV::Mat.at<float>(0) in Java
java
c++
Mat
810
views
no
answers
no
votes
2019-06-09 20:23:09 -0600
Aeroxander
Assertion failed (inputs.size()) in cv::dnn::dnn::Layer::getMemoryShapes, file opencv\modules\dnn\src\dnn.cpp, line 3616
onnx
opencv
c++
readNetFromONNX
dtype
130
views
no
answers
-1
votes
2019-06-10 02:35:19 -0600
dangerrockstar
how to detect iron buckle bar length
opencv
c++
148
views
1
answer
no
votes
2019-06-10 03:22:05 -0600
azymohliad
Why is it safe to pass cv::String& accross DLL boundary?
c++
string
DLL
330
views
no
answers
no
votes
2019-06-10 04:52:50 -0600
berak
Matchtemplate(Normalized Cross Correlation) same size two picture
c++
matchTemplate
868
views
1
answer
no
votes
2019-06-10 13:05:00 -0600
leftwing
VideoCapture object throws “assertion 'G_IS_OBJECT (object)' failed” on Cygwin
c++
Cygwin
CaptureVideo
1k
views
no
answers
-1
votes
2019-06-12 01:54:04 -0600
Kira
Issue in using imread and imwrite in thread
cpp
imagesc
opencv
c++
Windows-10
160
views
no
answers
no
votes
2019-06-12 04:02:48 -0600
Kitnos
Image classification in video stream with contours
c++
opencv
machine-learning
SVM
ann
3k
views
1
answer
no
votes
2019-06-13 08:21:01 -0600
ADADAS
cv::WarpPerspective & cv::cuda::WarpPerspective issue
WarpPerspective
CUDA
c++
imageprocessing
« previous
1
...
74
75
76
77
78
...
86
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
c++
×30
opencv
×18
imageprocessing
×2
java
×2
Mat
×2
Video
×2
videocapture
×2
3d
×1
affinetransform
×1
android
×1
ann
×1
anonymous
×1
calcCovarMatrix
×1
calibrateCamera
×1
camera
×1
CaptureVideo
×1
circle
×1
compile
×1
covariance
×1
cpp
×1
CUDA
×1
CUDA10.0
×1
CvMat
×1
CvMatND
×1
CvType
×1
Cygwin
×1
DLL
×1
dnn
×1
dtype
×1
edges
×1
faster_rcnn
×1
ffmpeg
×1
imagesc
×1
jni
×1
learningOpenCV
×1
libopencv_imgproc.so
×1
machine-learning
×1
matchTemplate
×1
merge
×1
namespace
×1
onnx
×1
Open
×1
openvino
×1
pixel-access
×1
python
×1
question
×1
readNetFromONNX
×1
remap
×1
samples
×1
sobel
×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
×
