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29,830 questions
Tagged
207
views
no
answers
no
votes
2019-12-15 21:37:09 -0600
Avadhoot05
Mass center of contour is showing incorrectly in opencv java
android
opencv
max
android4.3
java
344
views
no
answers
no
votes
2020-01-03 06:57:56 -0600
supra56
Video file length is 3 times lesser than the original video based on the resolution [closed]
opencvsharp
and.Net
C#+openCV
574
views
no
answers
no
votes
2019-12-16 12:21:55 -0600
michlvl
Build H-value histogram of HSV image: wrong parameters?
HSV
histogram
colorselection
150
views
no
answers
no
votes
2019-12-16 11:25:16 -0600
Jiangnan Cai
how to get an edge from the unconnected points?
edge
edgedetection
476
views
no
answers
1
vote
2019-12-16 14:14:33 -0600
JulienM
How can I list available devices for each DNN backend?
cv2.dnn
openvino
nvidia
211
views
no
answers
no
votes
2019-12-17 00:58:45 -0600
arafat
late fusion over color and texture descriptors
opencv
python
789
views
no
answers
no
votes
2019-12-17 01:40:14 -0600
esteban.da
Error building opencv with sfm module
opencv_sfm
SfM
build
glog
100
views
no
answers
1
vote
2019-12-17 02:14:24 -0600
Jackie
how can i put source image to destination image with source picture's original color using seamlessClone function
seamlessClone
578
views
no
answers
1
vote
2019-12-17 04:39:59 -0600
Bharathsh
How to do OCR on the strikethrough text.
tesseract
OCR
1k
views
no
answers
no
votes
2019-12-17 04:43:25 -0600
HelloWorld
CMake Error: CMake was unable to find a build program corresponding to "Unix Makefiles". CMAKE_MAKE_PROGRAM is not set. [closed]
cmake
android
1k
views
no
answers
no
votes
2019-12-17 06:49:27 -0600
AlexB
Should I use `pkg-config --libs opencv4` or `pkg-config --libs opencv`?
compilation
compile
gcc
c-compiler
462
views
no
answers
no
votes
2019-12-17 10:21:25 -0600
UU_KK
Opencv 3.4.8 + Opencv contrib 3.4.8 + mingw32-make + ERROR while compiling(libopencv_hdf348.dll))
Windows10
opencv3.4.8
make
error
hdf
contrib
3k
views
no
answers
no
votes
2019-12-17 20:33:22 -0600
ChanKim
ubuntu 16.04, "VIDEOIO(V4L2:/dev/video0): can't open camera by index" after software update
camera
218
views
no
answers
no
votes
2019-12-17 21:43:08 -0600
sid311
How to specify IPP version with CMake for versions 4.1.2/4.2.0?
IPP
lippicv
35k
views
no
answers
no
votes
2019-12-17 23:27:22 -0600
clefrks
error: (-215:Assertion failed) !_img.empty() in function 'imwrite [closed]
opencv
ffmpeg
Library
linux
81
views
no
answers
no
votes
2019-12-18 02:03:35 -0600
tsameema
Error in backgroundSubtractorMOG_
backgroundMOG
Matlab
444
views
no
answers
no
votes
2019-12-18 08:39:29 -0600
supra56
Kalman filter predict both velocity and position
KalmanFilter
velocity
164
views
no
answers
no
votes
2019-12-18 11:04:37 -0600
heisenburg007
Get video input when device not on uvc input
python
c++
opencv
132
views
no
answers
no
votes
2019-12-18 13:12:46 -0600
chnbr
detectMultiScale(...) internal principle ?
detectMultiScale
91
views
no
answers
1
vote
2019-12-18 15:14:27 -0600
flyingfishfinger
Larger scaling numbers result in white frames (?) [closed]
snapdragon
embedded
resize
995
views
no
answers
no
votes
2019-12-19 03:15:42 -0600
ibrahim_5403
How can I convert keras model (.h5) into tensorflow (.pb) model to use in opencv DNN module?
cv2.dnn
tensorflow
keras
353
views
no
answers
no
votes
2019-12-19 03:35:33 -0600
ramthota
enable VFPV4 for ARM v8
c++opencv
144
views
no
answers
no
votes
2019-12-19 09:03:01 -0600
supra56
yolov3 optimized by model optimizer fail to do inference
dnn
tiny
yolo
model
optimizer
280
views
no
answers
no
votes
2019-12-19 09:07:29 -0600
Dimitar Veljanovski
How do I make a 3D map of ORB keypoints using 1 camera
SLAM
3dmodel
mapping
723
views
no
answers
no
votes
2019-12-20 07:18:13 -0600
dslove
Not able to use openCL on Mac
opencl
gpu
mac
239
views
no
answers
no
votes
2019-12-19 18:25:25 -0600
supra56
How to draw contours on squares drawn with pencil (Python)
opencv
python
contours
483
views
no
answers
no
votes
2019-12-20 03:29:23 -0600
infant_batman
Errors while building customised ffmpeg4.1 with libopencv_highgui-dev
ffmpeg
makefile
242
views
no
answers
no
votes
2019-12-20 10:40:29 -0600
exbigboss
[C++] Using DNN with Tiny Yolo v2, not getting 13x13 (just 125 x 1)
dnn
yolov2
1k
views
no
answers
no
votes
2019-12-26 15:10:38 -0600
hernancrespo
How to plot histogram of an area inside a contour [closed]
histogram
contour
226
views
no
answers
1
vote
2019-12-20 12:03:03 -0600
B. Bogart
pretrained model for gaze / frontal face detection for cv::dnn?
dnn
c++#dnn#opencv
Facedetection
eye
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