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248 questions
Tagged
Opencv3.0
×
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
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
778
views
no
answers
no
votes
2016-06-26 18:44:38 -0600
Solace
Why am I getting this Assertion Failed error in my calcHist() call? [closed]
opencv4android
opencv
Opencv3.0
histogram
calcHist
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
215
views
no
answers
no
votes
2016-06-24 13:12:11 -0600
jojo94
how to use opencv4android pca to train svm model? [closed]
android
opencv
Opencv3.0
opencv4android
PCA
88
views
no
answers
no
votes
2016-06-06 18:26:58 -0600
Brock
lkdemo.cpp will not run in OpenCV 3.0
Opencv3.0
lkdemo
772
views
no
answers
no
votes
2016-05-26 11:31:22 -0600
Max3
Opencv java web service
Opencv3.0
java
jersey
222
views
no
answers
no
votes
2016-05-25 09:34:30 -0600
amangg
unable to install opencv3
Opencv3.0
cmake
VS2012
opencv
python
233
views
1
answer
no
votes
2016-05-13 05:18:47 -0600
berak
fast corner detector
Opencv3.0
FastFeatureDetector
c++
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
833
views
1
answer
no
votes
2016-04-27 06:14:10 -0600
PRoque
opencv2/aruco with ROS opencv
ros
Opencv3.0
conflict
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
262
views
no
answers
no
votes
2016-04-19 13:14:35 -0600
MarKS9
Grabbing multiple frames for marker detection in parallel
Opencv3.0
Multithreading
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
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
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++
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
409
views
1
answer
no
votes
2016-04-10 22:44:17 -0600
Tetragramm
Using OpenCV4Android, how to blur a part of an image?
opencv4android
opencv
Opencv3.0
blur
blurring
127
views
no
answers
no
votes
2016-04-10 13:08:09 -0600
MarKS9
Modifying SURF code for better performance
SURF
Opencv3.0
1k
views
1
answer
no
votes
2016-04-06 09:47:09 -0600
berak
OpenCV 3 Boost train help
adaboost
Opencv3.0
2k
views
1
answer
no
votes
2016-04-02 18:05:57 -0600
MarKS9
Draw rectangle around detected object only when it is detected
Opencv3.0
SURF
3k
views
1
answer
no
votes
2016-03-29 09:50:44 -0600
Oguzhan
How do i access UMat pixel by pixel?
Opencv3.0
opticalflow
492
views
no
answers
1
vote
2016-03-11 12:36:53 -0600
mihirranadive
camera preview from opencv shows bad/incorrect image. using javacameraview
opencv4android
Opencv3.0
android
Eclipse
527
views
no
answers
1
vote
2016-03-03 23:31:20 -0600
Prakash
Opencv haar training parameters : Mode & symmentry
haartraning
cascadeclassifier
Opencv3.0
classifier
172
views
no
answers
no
votes
2016-03-02 08:13:32 -0600
bob409
Set a threshold in MulticlassSVM
CvSVM
Multi-class
Opencv3.0
image-processing
311
views
no
answers
no
votes
2016-03-02 03:41:46 -0600
b4r0ck
K-Nearest Neighbors implementation on OpenCV 3.0
KNN
Opencv3.0
2k
views
1
answer
no
votes
2016-02-24 13:04:24 -0600
Guyygarty
Pointer to cv::Mat and sizeof underlying structure
c++
Mat
opencv
Opencv3.0
pointer
176
views
no
answers
no
votes
2016-02-22 06:27:56 -0600
I_AM_BINARY
Random Forest - Vector subscript out range during training
Opencv3.0
randomforest
machinelearning
2k
views
no
answers
no
votes
2016-02-20 23:11:32 -0600
alduaa
svm java opencv 3
svmtrain
Opencv3.0
java
605
views
1
answer
no
votes
2016-02-10 08:21:40 -0600
golopup
Building Opencv 3 + contrib for ios: incomplete type 'cv::Mat'
opencv_contrib
contrib
ios
3.0.0
Opencv3.0
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