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2,575 questions
Tagged
c++
×
2k
views
no
answers
no
votes
2019-09-10 07:49:33 -0600
brendanlb
OpenCV fisheye calibration fails
calibration
fisheye
c++
opencv
assertionerror
1k
views
1
answer
no
votes
2019-09-09 04:09:29 -0600
Kitnos
Get the contours of largest blob
opencv
c++
blob
3k
views
2
answers
1
vote
2019-09-10 14:30:12 -0600
ImageProcessing_MF
Placing UYVY data in a Mat, C++
UYVY
c++
Mat
dataformat
uint8_t
image
9k
views
1
answer
no
votes
2019-09-02 11:00:48 -0600
sturkmen
How to alpha blend with transparency masks
cv2addWeighted
c++
transparency
mask
alpha-blending
1k
views
no
answers
no
votes
2019-09-01 04:23:43 -0600
Martian
OpenCV 4 cmake switches for best runtime performance (Linux, C++, Python)
cmake
switches
c++
3k
views
1
answer
2
votes
2019-09-01 03:48:41 -0600
LBerger
What does LINE_4, LINE_8 mean?
linetype
c++
1k
views
1
answer
no
votes
2020-11-04 21:08:10 -0600
Crazy Sage
OpenCV out of memory problem on imread\imdecode
c++
imread
1k
views
no
answers
no
votes
2019-08-26 10:09:28 -0600
LorenzoEpifani
CornerSubPix function crashes on small frames
Mat
c++
cornersubpix
opticalflow
LKalgorithm
191
views
no
answers
no
votes
2019-08-25 04:08:32 -0600
Crazy Sage
Problem with OpenCV and MinGW 7.3.2
mingw
opencv
c++
install
353
views
no
answers
no
votes
2019-08-23 03:44:28 -0600
im_shirohige
Webassembly VideoCapture symbol not defined errors
c++
webcam
ipcam
346
views
no
answers
no
votes
2019-08-22 05:22:30 -0600
NickKao
prior_box_layer.cpp:242: error: (-215:Assertion failed) !params.has("step") in function 'cv::dnn::PriorBoxLayerImpl::PriorBoxLayerImpl'
c++
dnn
opencv
620
views
1
answer
no
votes
2019-08-19 08:47:27 -0600
StevenPuttemans
Dynamically choose best instruction set for hardware
c++
opencv
2k
views
1
answer
no
votes
2019-08-19 08:45:06 -0600
StevenPuttemans
Difficulty building OpenCV with MinGW
c++
opencv
mingw
11k
views
no
answers
no
votes
2019-08-17 13:59:22 -0600
JoeP
Using OpenCV in Windows 10 with Visual Studio Code
c++
mingw
9k
views
1
answer
no
votes
2019-08-16 17:14:21 -0600
mjxlyons
installed Opencv 4 from source, C++ headers not linked correctly
opencv4
c++
buildFromSource
1k
views
1
answer
no
votes
2019-08-15 09:03:16 -0600
davor
C++ ORB Feature Matching with FLANN Lsh Error
c++
opencv
flann
ORB
7k
views
1
answer
no
votes
2019-08-14 18:20:52 -0600
sturkmen
change all instances of a colour to a different one in C++
c++
mask
837
views
no
answers
no
votes
2019-08-13 03:32:00 -0600
dev4all12358
Record n minutes from a webcam
imwrite
c++
videocapture
2k
views
no
answers
no
votes
2019-08-12 08:01:54 -0600
nameofuser1
Template matching with zero mean normalized cross-correlation
c++
templateMatch
image-processing
302
views
no
answers
no
votes
2019-08-09 14:55:25 -0600
Programmerperson
OpenCV face detection results in "debug assertion failed"
c++
opencv
Facedetection
cascadeclassifier
7k
views
1
answer
no
votes
2019-08-08 13:27:20 -0600
Witek
Implement and train YOLO 3 with Opencv and C++
Yolov3
c++
opencv
deep
deep-learning
221
views
1
answer
no
votes
2019-08-07 09:43:40 -0600
LBerger
Undesired Hierarchy Result
c++
opencv
contour
1k
views
1
answer
no
votes
2020-03-29 06:05:47 -0600
ComputerVisionary
how to solve problem of low fps in OpenCV
c++
opencv
Facedetection
FaceRecognizer
eye
recognition
885
views
1
answer
no
votes
2019-08-09 04:23:36 -0600
prostoi chelovek
How to calculate surface roughness in disparity map?
DisparityMap
c++
127
views
no
answers
no
votes
2019-08-04 06:42:20 -0600
Prasun
Different output in adding two images.
Addition
OpenCV-4.0.0
c++
988
views
no
answers
no
votes
2019-08-02 15:51:52 -0600
gamedude_7
why opencv fails to capture video from ip axis camera in C++ but works in Python
c++
qt
opencv
AXIS
ip
camera
1k
views
no
answers
no
votes
2019-08-02 06:38:24 -0600
mirhanu
HBITMAP to cv::Mat
c++
opencv
bitmap
CvMat
836
views
1
answer
no
votes
2019-08-13 16:29:43 -0600
Hordon
Linker error only with DNN module
opencv
c++
mac
4k
views
no
answers
1
vote
2019-07-24 10:37:26 -0600
Witek
How to remove small black spots & make digits more clear, complete & sharp in image?
c++
opencv
990
views
no
answers
no
votes
2019-07-16 06:08:39 -0600
AntersBear
OpenCV.js binding issue for perspectiveTransform using Point2fVector as input
javascript
c++
js
binding
OpenCV.js
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