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248 questions
Tagged
Opencv3.0
×
2k
views
1
answer
no
votes
2016-04-11 09:08:12 -0600
kbarni
Why does LDA reduction give only one dimension for two classes?
lda
Opencv3.0
reduction
1k
views
1
answer
no
votes
2016-04-12 05:35:44 -0600
berak
Open CV 3.0 Face recognition and edge detection in Visual Studio 2015 C++
Opencv3.0
FaceRecognition
visualstudio2015
c++
344
views
1
answer
no
votes
2016-04-16 13:14:14 -0600
MrGiskard
Error when compiling videoio/src/cap_ffmpeg_impl.hpp
ffmpeg
Opencv3.0
cap_ffmpeg_impl.hpp
4k
views
1
answer
3
votes
2017-01-20 06:57:32 -0600
HG
Stereo Rectify doesn't rectify even with correct M and D
Opencv3.0
stereorectify
Stereovision
706
views
1
answer
no
votes
2016-04-19 12:16:21 -0600
berak
Toy example using opencv 3.0 object in a custom class
Opencv3.0
1k
views
1
answer
no
votes
2016-04-20 08:43:08 -0600
sturkmen
How to create an ROI (Region-Of-Interest or submat) from a contour?
opencv
opencv4android
Opencv3.0
contour
submat
411
views
1
answer
no
votes
2016-06-27 14:51:16 -0600
Solace
Why is the drawContour() in OpenCV generating this strange Mask?
opencv
opencv4android
Opencv3.0
contour
submat
833
views
1
answer
no
votes
2016-04-27 06:14:10 -0600
PRoque
opencv2/aruco with ROS opencv
ros
Opencv3.0
conflict
183
views
1
answer
no
votes
2016-04-27 10:06:42 -0600
berak
How to write compile.sh file for facerec_fisherfaces?
Opencv3.0
opencv_ubuntu
ubuntu14.04
233
views
1
answer
no
votes
2016-05-13 05:18:47 -0600
berak
fast corner detector
Opencv3.0
FastFeatureDetector
c++
750
views
1
answer
no
votes
2016-06-26 09:38:52 -0600
sturkmen
How to draw contours INSIDE the edges of detected shape/blob?
opencv4android
opencv
Opencv3.0
1k
views
1
answer
no
votes
2016-06-28 00:02:26 -0600
berak
Converting histogram Mat to BitMap - Getting OpenCV Error (src.type() == CV_8UC1 || src.type() == CV_8UC3 || src.type() == CV_8UC4)
opencv4android
opencv
Opencv3.0
histogram
bitmap
880
views
1
answer
no
votes
2016-06-26 18:46:10 -0600
Solace
Why does calcHist() method create an empty black histogram Mat?
opencv4android
opencv
Opencv3.0
histogram
calcHist
3k
views
1
answer
no
votes
2016-07-23 10:27:27 -0600
Solace
Is it possible to overlay a transparent image over a live camera view, such that it is overlayed over the captured photo as well?
opencv4android
Opencv3.0
opencv
overlay
displayoverlay
260
views
1
answer
no
votes
2016-08-04 02:41:09 -0600
MSCarl
Does OpenCV 3.x have C API for Machine Learning?
machine-learning
Opencv3.0
c-api
c++
1k
views
1
answer
1
vote
2016-10-12 14:10:40 -0600
x10s
Errors on compiling OpenCV on MacOS Sierra
Opencv3.0
MacOSX
python
cmake
QTKit.h
13k
views
1
answer
2
votes
2018-01-27 07:57:11 -0600
kartikeygupta9097
Is it possible to build OpenCV 3.2.0 libraries using MinGW for a 32bit Windows?
mingw
Eclipse
cpp
x86
Opencv3.0
3k
views
1
answer
no
votes
2017-01-25 07:39:05 -0600
j0h
how can I set VideoCapture attributes with set?
c++
videocapture
Opencv3.0
148
views
1
answer
no
votes
2017-06-27 02:28:54 -0600
berak
How to get Weak Responses from Boosting in OpenCV 3.2.0
boost
Opencv3.0
2k
views
1
answer
no
votes
2017-07-12 11:03:04 -0600
berak
cv2.linearPolar() TypeError
linearpolar
Opencv3.0
python3
TypeError
1k
views
1
answer
no
votes
2017-08-14 15:14:15 -0600
danieltak
Convert wiki tutorial from deprecated IplImage to Mat
MatToIplimage
Opencv3.0
wiki
beginner
435
views
1
answer
no
votes
2017-09-01 09:15:39 -0600
luug
OpenCv3 AdaBoost RAW_OUTPUT
Opencv3.0
adaboost
peopledetect
laserdata
1k
views
1
answer
no
votes
2017-09-26 05:00:33 -0600
vohungvi
No output from opencv_createsamples
createsamples
Opencv3.0
objectdetection
cascadeclassifier
cascade
haartraning
879
views
1
answer
no
votes
2018-10-28 20:31:17 -0600
neppie
OpenCV 3 imgcodecs vs OpenCV 2 highgui - DLL size
dlls
opencv2
Opencv3.0
imgcodecs
highgui
17k
views
1
answer
no
votes
2018-01-15 13:34:51 -0600
prashant
Not able to save video using cv2.VideoWriter(...) on Ubuntu 16.04
cv2.VideoWriter
ubuntu16.04
python3
Opencv3.0
4k
views
1
answer
no
votes
2018-03-02 12:34:47 -0600
MarineBiologist
OpenCL can not detect my AMD GPU using OpenCV
c++
opencl
amd
Opencv3.0
1k
views
1
answer
no
votes
2018-03-21 03:55:47 -0600
lock042
Homography transformation + scale
homography-matrix
Opencv3.0
846
views
1
answer
no
votes
2018-04-02 03:16:13 -0600
berak
How to provide mask to cv2.accumulateWeighted() method
Opencv3.0
python
516
views
1
answer
no
votes
2018-08-16 12:13:43 -0600
kbarni
OpenCV Java How can I find red lined Rectangles from 12 rectangles.
android
opencv
Opencv3.0
2k
views
1
answer
no
votes
2018-08-21 00:23:33 -0600
berak
How to open cam using device name in Windows
camera
videocapture
Opencv3.0
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