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29,830 questions
Tagged
151
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
457
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
119
views
no
answers
no
votes
2020-10-05 14:36:50 -0600
yurky
Does parallel_for_ block until all threads complete?
parallelization
CUDA
336
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
725
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
720
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
459
views
1
answer
no
votes
2020-10-05 00:57:21 -0600
Wex
Cannot apply tensorflow model
tensorflow
c++
cpp
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
4k
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
15k
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
305
views
no
answers
no
votes
2020-10-04 14:42:35 -0600
supra56
Webcam generated image distorted and python stop working
webcam
opencv
python
973
views
1
answer
-1
votes
2020-10-04 12:33:06 -0600
kpachinger
Error 6586736 in opencv.js
error
6586736
OpenCV.js
1k
views
1
answer
no
votes
2020-10-04 11:34:02 -0600
supra56
python: How to Crop White region from Number Plate image??
opencv
python
Crop-image
numberplate
image
2k
views
no
answers
no
votes
2020-10-04 08:27:29 -0600
ilouzl
VideoWriter not working on MacOS
videowriter
python
pip
macos
cv2.VideoWriter
codec
883
views
1
answer
1
vote
2020-10-04 08:19:05 -0600
sturkmen
OpenCV crop function fatal signal 11
crop
opencv4android
354
views
no
answers
no
votes
2020-10-04 03:17:17 -0600
Dudi
crash in cv::Mat release function
opencv
crash
release
1k
views
no
answers
no
votes
2020-10-04 00:00:49 -0600
seva
Stitching pictures from rotating camera
rotating
camera
homography
fov
360
358
views
1
answer
-1
votes
2020-10-03 16:09:12 -0600
supra56
I have the below input images. How do I straighten the text written in the images, to get the text in the expected output as shown in the below image ?
straighten
1k
views
1
answer
no
votes
2020-10-03 12:29:02 -0600
HunterP
Error when running example code
opencv#python#video
189
views
no
answers
no
votes
2020-10-03 12:02:37 -0600
firebladed
potential loss of information in processing 16bit YUV greyscale [closed]
16-bit
YUV
video4linux
278
views
no
answers
no
votes
2020-10-03 09:59:44 -0600
firebladed
What type shoukd be used cv::Mat.forEach on 16bit Greyscale (CV_16UC1)
forEach
398
views
no
answers
no
votes
2020-10-03 08:13:01 -0600
candleboy_
I'm having major issues with setting up h/w accelerated video capture on Windows 10. Would appreciate any and all help and advice.
windows
videocapture
1k
views
no
answers
2
votes
2020-10-03 00:34:42 -0600
Stéphane Charette
what are the video plugins?
c++
videocapture
plugin
ubuntu
3k
views
1
answer
no
votes
2020-10-02 20:04:26 -0600
sturkmen
Measuring the diameter of circles
circle
ellipse
160
views
no
answers
no
votes
2020-10-02 10:23:38 -0600
HunterP
Computing distance of identified object with stereoCalibrate() and stereo(), not whole depth map
stereo
DisparityMap
967
views
no
answers
no
votes
2020-10-02 09:48:20 -0600
firebladed
Mlx90640 no video stream
mlx90640
video4linux
i2c-video
5k
views
1
answer
no
votes
2020-10-02 04:10:49 -0600
berak
Image frame saving from Video without losing resolution and quality
image-processing
opencv
python
videocapture
save
2k
views
2
answers
no
votes
2020-10-01 09:05:48 -0600
berak
stitching 2 images together in CUDA like hconcat?
Cuda6.5
Opencv3.0
opengl
285
views
no
answers
no
votes
2020-10-01 06:27:35 -0600
berak
np.ones() shape resize using cv.trackbar
resize
zeros
trackbar
923
views
no
answers
no
votes
2020-09-30 19:18:00 -0600
Der Luftmensch
crash in Mat::release()
crash
release
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