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12,357 questions
Tagged
1k
views
no
answers
no
votes
2015-07-17 15:09:10 -0600
diego Max
QT5.5+Opencv3.0.0 Undefined symbols for architecture x86_64S
opencv
qt
SURF
SIFT
120
views
no
answers
no
votes
2015-07-08 11:15:08 -0600
unxnut
Missing FREAK sample in 3.0 distro?
freak
sample
FREAK_SAMPLE
540
views
no
answers
no
votes
2016-05-17 23:04:06 -0600
MilevaMaric
How access to UMat pixel by pixel without getMat?
UMat
4k
views
no
answers
2
votes
2014-09-08 12:58:52 -0600
peterst
Live chroma key - optimize script
chromakey
473
views
no
answers
no
votes
2016-12-07 20:07:34 -0600
Saeed1262
How to compute Relative Pose of two different camera?
pose-estimation
calibration
localization
795
views
no
answers
no
votes
2020-03-24 22:18:24 -0600
LightningStar
module 'cv2' has no attribute 'xfeatures2d'
python
xfeatures2d
CUDA
2k
views
no
answers
no
votes
2016-02-20 23:11:32 -0600
alduaa
svm java opencv 3
svmtrain
Opencv3.0
java
135
views
no
answers
no
votes
2020-01-28 03:07:54 -0600
Haffman97
How do I track Aruco cubes?
aruco
5k
views
no
answers
no
votes
2020-08-05 23:24:32 -0600
supra56
global /io/opencv/modules/videoio/src/cap_v4l.cpp (880) open VIDEOIO(V4L2): can't find camera device
ubuntu18.04
camera
imagerecognition
139
views
no
answers
no
votes
2018-01-08 11:01:30 -0600
rpenda
opencv 3.3 apk too large
APK
581
views
no
answers
no
votes
2015-07-15 15:19:58 -0600
mjr
Corner vector of findChessboardCorners output too large?
Calib3d
calibration
chessboard
corner
ChessboardCorners
3k
views
no
answers
1
vote
2015-03-11 15:52:40 -0600
berak
AlgorithmInfo does not name a type
AlgorithmInfo
252
views
no
answers
no
votes
2020-08-31 11:13:04 -0600
JT3D
local pose of an object from a camera pose
pose
of
Local
object
6k
views
no
answers
no
votes
2017-08-23 10:40:33 -0600
Dobiasd
Keras -> TensorFlow -> OpenCV/dnn
dnn
dnnopencvmodule
opencv_dnn
tensorflow
180
views
no
answers
no
votes
2020-06-01 10:44:02 -0600
kamadi
issue training using lbph model
createLBPHFaceReco
java
213
views
no
answers
no
votes
2015-12-19 11:28:45 -0600
aviv
How to convert video frame by frame to an array in real time?
Video
frames
realtime
array
268
views
no
answers
1
vote
2013-09-03 10:13:16 -0600
nkint
camera calibration with partially occluded patterns
#calibrateCamera
Calib3d
pattern
2k
views
no
answers
no
votes
2014-11-18 12:27:23 -0600
Pradeep C
OpenCV Error: Assertion failed (!empty()) in detectMultiScale
#video-processing
#Classifier
#xcode
984
views
no
answers
no
votes
2016-04-23 11:11:13 -0600
XXXjimmy
Blue screen when using VideoCapture
SurfacePro4
c++
opencv
BlueScreen
127
views
no
answers
no
votes
2014-07-03 08:43:29 -0600
brainzest
How to play a videocapture stream to CvCameraViewframe
#android#opencv
#capturevideo
93
views
no
answers
no
votes
2019-10-01 05:30:04 -0600
bheadmaster
Methods for deciding if there is an object on the surface or not
objectdetection
159
views
no
answers
no
votes
2017-04-05 03:26:38 -0600
Dhananjay Sharma
Why OpenCV face detection recognition the faces for untrained face?
opencv
python
1k
views
no
answers
1
vote
2014-01-06 02:40:54 -0600
OoVoO
Error from Qt creator
#opencv#qt
178
views
no
answers
no
votes
2018-11-13 20:57:22 -0600
ttelsey
Where to find header files when building with android-gradle
gradle
android
cmake
externalnativebuild
1k
views
no
answers
no
votes
2019-01-30 05:14:54 -0600
tai
Get frame number or manifest time stamp of live stream HLS/m3u8
Livestream
timestamp
HLS
m3u8
ffmpeg
103
views
no
answers
-1
votes
2017-01-10 01:37:04 -0600
iStar
OTHER IMAGES EXCEPT BUNNY ARE APPEARING AS TINY DOTS,HOW TO MAKE THEM VISIBLE
c++
opencv
VIZmodule
1k
views
no
answers
no
votes
2015-06-22 15:08:23 -0600
Tedzini
Changing resolution of front LifeCam on MS Surface Pro
surface
Pro
lifecam
front
camera
219
views
no
answers
no
votes
2020-02-28 03:52:08 -0600
RPonomarenko
[BRISK] There is no a possibility to change keypoints size
brisk
keypoint
374
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
253
views
no
answers
no
votes
2016-10-30 12:20:42 -0600
kenjif
Trouble linking openCV 2.4.13.1 on QT creator 4.1.0 on OS X El Capitan
QtCreator
OSX
Elcapitan
2.4.13
link
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