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29,830 questions
Tagged
12k
views
1
answer
no
votes
2020-10-04 15:09:39 -0600
supra56
Help geeting OpenCV to output a videostream using gstreamer. [closed]
opencv
gstreamer
rtp
python
3k
views
1
answer
no
votes
2020-10-04 18:58:48 -0600
VoteCoffee
Drawmatches throws error when trying to use only good matches
featuredetector
ORBFeatureDescriptor
drawMatches
4k
views
no
answers
no
votes
2020-10-04 21:16:06 -0600
Deauther_2560
f= cv2.dnn.readNet(prototxtPath, weightsPath) cv2.error: OpenCV(4.4.0) C:\caffe\caffe_io.cpp:1121: error: (-2:Unspecified error) FAILED: fs.is_open(). Can't open "\deploy.prototxt" in function 'cv::dnn::ReadProtoFromTextFile'
Open
cvnpythonopenvideo
409
views
1
answer
no
votes
2020-10-05 00:57:21 -0600
Wex
Cannot apply tensorflow model
tensorflow
c++
cpp
540
views
no
answers
no
votes
2020-10-05 03:26:29 -0600
Jiftoo
What would be the best approach to detect walls or corridors in this game?
edge-detection
game
625
views
1
answer
no
votes
2020-10-05 09:33:02 -0600
tim-hilt
Is multithreading handled differently in Python and C++?
image-matching
ORB
bruteforcematcher
c++
python
multi-thread
296
views
no
answers
no
votes
2020-10-05 09:49:04 -0600
tim-hilt
GMS-matcher doesn't write to Output-Vector
image-matching
c++
python
ORB
gms-matcher
106
views
no
answers
no
votes
2020-10-05 14:36:50 -0600
yurky
Does parallel_for_ block until all threads complete?
parallelization
CUDA
357
views
no
answers
no
votes
2020-10-06 03:44:55 -0600
aiubian
SOLVEPNP_ITERATIVE vs SOLVEPNP_EPNP vs SOLVEPNP_P3P vs solvePnPRansac - Which to use and when to use?
solvePnP
SOLVEPNP_ITERATIVE
SOLVEPNP_P3P
SOLVEPNP_EPNP
142
views
no
answers
-1
votes
2020-10-06 08:51:57 -0600
Sue
How can I get just one rgb value in a video from ROI's center
python
171
views
no
answers
no
votes
2020-10-06 08:53:59 -0600
mimeluff
Fisheye --> Undistorted --> Fisheye
python
1k
views
1
answer
no
votes
2020-10-06 09:34:57 -0600
berak
Polynomial
image-warping
397
views
no
answers
no
votes
2020-10-06 10:22:41 -0600
berak
Building opencv.js on MAC fails undefined symbol: __tls_base
OpenCV.js
Emscripten
tls_base
1k
views
1
answer
no
votes
2020-10-06 12:00:24 -0600
sjhalayka
OpenCV - OpenGL - OpenCL Interop
opengl_interop
opencl
opencv
c++
texture
qt
500
views
no
answers
no
votes
2020-10-06 17:32:02 -0600
warpstar22
Identifying between left and right hand
hand-detection
7k
views
2
answers
1
vote
2020-10-06 22:05:33 -0600
ajpaezm
Delete OpenCV installation in Ubuntu. [closed]
ubuntu
ubuntu20.04
uninstall
94
views
no
answers
1
vote
2020-10-07 04:29:49 -0600
Sloanc
Can I use Opencv to process output from a linear photodiode array array.
linear
photodiode
array
1k
views
no
answers
-2
votes
2020-10-07 07:10:32 -0600
supra56
How to show the offset difference value between base image and reference image in OpenCV?
offset
Difference
value
473
views
no
answers
no
votes
2020-10-07 07:18:55 -0600
v.suri
image.channels() not counting correctly for 2 channel tif images.
c++
opencv
104
views
no
answers
no
votes
2020-10-07 08:24:30 -0600
salasidis
Very Beginner question - need directional guidance
recognize
cross
pattern
automation
229
views
no
answers
1
vote
2020-10-07 11:24:44 -0600
dvfreese
Thread-safety with GpuMat
CUDA
gpu
thread
741
views
2
answers
no
votes
2020-10-07 14:36:18 -0600
superfly
how do I add missing module cv::drawFrameAxes without breaking installation
matrix
computer
vision
opencv
installation
drawframeaxes
328
views
no
answers
no
votes
2020-10-07 15:11:30 -0600
BullyWiiPlaza
Cannot convert image types using the C++ API
c++
opencv
windows
visual-c++
248
views
no
answers
no
votes
2020-10-07 16:43:32 -0600
alecda
Error from cv2.dnn.readNetFromTensorflow Lambda layer
readNetFromTensor
992
views
no
answers
no
votes
2020-10-08 03:15:34 -0600
Steven.Dragoz
ORB Keypoints Minimum distance?
ORB
bfmatcher
keypoint
keypoint-matching
174
views
no
answers
1
vote
2020-10-08 07:01:42 -0600
supra56
Can you read this image by using imRead function?
imread
libpng
2k
views
1
answer
1
vote
2020-10-08 07:17:33 -0600
supra56
extract text from Driving Licence
python#opencv
385
views
no
answers
no
votes
2020-10-08 15:16:24 -0600
idan
solvePnP for camera pose - Am I missing a step?
solvePnP
camera
1k
views
1
answer
no
votes
2020-10-09 02:45:32 -0600
RashidLadj
OpenCV solvePnPRansac() function
opencv
python
3dreconstruction
computervision
camera
solvePnP
7k
views
1
answer
1
vote
2020-10-09 04:21:17 -0600
sturkmen
(-215:Assertion failed) !_src.empty() in function 'cv::cvtColor'
cv2.videocapture
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