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12,357 questions
Tagged
515
views
no
answers
4
votes
2016-04-26 04:16:54 -0600
hannometer
Missing feature detectors/descriptors/adapters in OpenCV 3
features2d
xfeatures2d
opencv3
1k
views
no
answers
no
votes
2019-10-29 13:04:50 -0600
light0090
Yolov3 and darknet problem
python
Yolov3
yolo
darknet
tiny-dnn
drawcontour
2k
views
no
answers
no
votes
2019-11-27 03:54:30 -0600
Dianan137
How to choose sigma/kernel size when downsampling image
downscaling
gaussianblur
resize
251
views
no
answers
no
votes
2017-11-10 04:50:04 -0600
CAP-XPLAB
Fail to compile OPENCV 3.3.1 LIB windows ARM with VC15
Windows-10
arm
protobuf
377
views
no
answers
no
votes
2019-04-22 16:59:37 -0600
sazr
Median value doesn't exist in the input list?
colorspace
655
views
no
answers
no
votes
2015-02-02 15:53:49 -0600
Alireza
possibility of using PCL (Euclidean Cluster Extraction) for object detection
kinect
ros
objections
detection
188
views
no
answers
no
votes
2019-11-02 17:23:27 -0600
FelipeVW
Drag Points in a Rotated Rectangle with highgui opencv
c++
highgui
7k
views
no
answers
no
votes
2017-04-13 12:07:06 -0600
hanban
getting openCV to read from an HDMI source
opencv
capture
hdmi
Input
122
views
no
answers
no
votes
2019-07-16 04:37:25 -0600
chibo
Overlapped contours of moments
cv.Moment
527
views
no
answers
no
votes
2017-08-28 14:27:06 -0600
rezaee
C1083, LNK1104, C4244, C4127 Errors and Warnings
error
242
views
no
answers
no
votes
2018-01-25 02:37:02 -0600
teenvan95
HOG-Descriptor malloc freed error
HOGDescriptor
c++
opencv
malloc
dtree
objectdetection
1k
views
no
answers
no
votes
2019-09-23 04:38:09 -0600
teshansj
OpenCV dnn, OpenCL and Nvidia graphic cards
opencv4
opencv4.1
nvidia
dnn
cuDNN
libopencl
988
views
no
answers
no
votes
2014-02-11 15:33:57 -0600
StevenPuttemans
Assign bytes within of Mat with float values
Mat
at
CV_32FC1
float
byte
1k
views
no
answers
no
votes
2020-02-13 20:47:43 -0600
blorgggg
Stereo Calibration for CharUco Boards?
calibration
stereo
stereo-calibration
602
views
no
answers
no
votes
2019-06-18 04:32:45 -0600
Wenbin_Xu
How to read MJPEG frames from USB camera
mjpeg
mjpg
30fps
ubuntu18.04
opencv3.4.6
132
views
no
answers
no
votes
2014-07-03 08:43:29 -0600
brainzest
How to play a videocapture stream to CvCameraViewframe
#android#opencv
#capturevideo
174
views
no
answers
no
votes
2019-12-30 00:02:47 -0600
dineshlama
How to find hierarchy of multiple contours
contour
398
views
no
answers
no
votes
2020-04-13 07:24:19 -0600
gageru
problem with detecting dogs and cats from cnn module
caffemodel
dnn
c++
497
views
no
answers
no
votes
2020-06-13 14:29:37 -0600
10may
OpenCV DirectX 11 Interoperability
directx
opencv
c++
visual
studio
328
views
no
answers
no
votes
2014-02-21 12:22:02 -0600
FLY
Tracking through kalman filter
KalmanFilter
computervision
feature-tracking
294
views
no
answers
no
votes
2016-03-01 12:28:47 -0600
hyperdo
LBPH OpenCV Raspberry Pi with Python
opencvpython
RaspberryPi
3k
views
no
answers
no
votes
2014-05-07 15:09:59 -0600
mateusz
Logo detection OpenCV
detection
recognition
612
views
no
answers
no
votes
2013-09-26 10:24:10 -0600
hari
Using RANSAC mask output in cv::findfundamentalmat
RANSAC
Fundamental
192
views
no
answers
no
votes
2019-08-23 03:36:17 -0600
Scalaire
Opencv with iOS UIImageToMat returns a transparent image
ios
UIImage
148
views
no
answers
no
votes
2016-10-17 20:31:25 -0600
hoangnh
Smile Detector in mobile development
smiledetection
mouthdetection
SVM
LogisticRegression
81
views
no
answers
no
votes
2016-08-16 07:43:30 -0600
Nbb
Compute histogram of CV_32S Mat
histogram
280
views
no
answers
no
votes
2014-04-20 18:55:39 -0600
encinaar
Equivalent of cv::PCA in JavaCV
javacv
PCA
android
205
views
no
answers
no
votes
2018-07-03 02:33:21 -0600
dorimu
convert direct3d surface to umat fails
opencl
directx
drawcontour
603
views
no
answers
no
votes
2018-08-18 09:10:09 -0600
michlvl
Optimization for Singleboard PC(like orangePi, RasberryPi...) on linux
SBPC
OrangePi
RaspberryPi
Sopine
arm64
mali
349
views
no
answers
no
votes
2018-10-10 15:38:19 -0600
bquad
Errors when trying to make Samples
installation-fails
error
make
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