Answer by Enos jeba for OpenCv error can't open camera through video capture
cap = cv2.VideoCapture(0)The 0, 1, 2, etc digit we pass through the VideoCapture function is the device index given to the device from the os.As the device index is assigned by os, The number would be...
View ArticleAnswer by John Howell for OpenCv error can't open camera through video capture
This solution is for Mac only.I used PyCharm rather than Anaconda. I couldn't figure out how to get Mac system to recognize the camera on Anaconda, but PyCharm, after running the code will ask for...
View ArticleAnswer by Miles for OpenCv error can't open camera through video capture
The solution that worked for me as other contributors noted was to simply unplug the camera from the USB port and plug it back in, while the Raspberry PI Ubuntu OS was running.
View ArticleAnswer by Adrián Álvarez for OpenCv error can't open camera through video...
Don't know if this is still an issue.In my case, I was getting the same error until I unplugged and plugged the usb camera. Even if I reboot, the error happened.It's similar to someone said: my camera...
View ArticleAnswer by Anamika Gupta for OpenCv error can't open camera through video capture
video = cv2.VideoCapture(0,cv2.CAP_DSHOW)This worked for me.
View ArticleAnswer by Du Nguyễn Phan for OpenCv error can't open camera through video...
I have do everytime after restart or unplug usb camera and replugchmod 777 /dev/video0
View ArticleAnswer by X.Liu for OpenCv error can't open camera through video capture
Tried every anwser but only changing camera id from -1 to 1 and then back to 0 worked.
View ArticleAnswer by Diego for OpenCv error can't open camera through video capture
I found a solution in https://github.com/opencv/opencv/issues/19527 where the video capture is inside the function instead of outside. That worked for me (ubuntu)def frame_generation():camera =...
View ArticleAnswer by Anthony Tomasic for OpenCv error can't open camera through video...
The OP appears to be operating on a Raspberry PI. Raspberry is moving to a new system to manage cameras, so when the user upgrades the OS via sudo apt-get upgrade the camera system gets the new library...
View ArticleAnswer by TOPworkOUT for OpenCv error can't open camera through video capture
I've also had this problem on UbuntuI've solved this by these comandssudo adduser username videosudo usermod -a -G video usernameusername - it is the name of your devicethan writeid -aand copy index...
View ArticleAnswer by Gardinal for OpenCv error can't open camera through video capture
For Linux, make sure OpenCV is built using the WITH_V4L (with video for linux).
View ArticleAnswer by Vibhanshu Jain for OpenCv error can't open camera through video...
I also had the same problem. Just changed it to 1 and it was perfectly working. I guess it's related to the number of camera devices you have used.For example, I guess I have Iruin external camera as...
View ArticleAnswer by chilin for OpenCv error can't open camera through video capture
I've encountered the same issue and attempted several methods like cv2.VideoCapture(-1) or cv2.VideoCapture(1) but without much success.I succeeded after reading this article and disabling debug-mode
View ArticleAnswer by 129lovely for OpenCv error can't open camera through video capture
In my case, I just reconnected cam to the usb port, and then it was solved! I think this error is caused by closing the window in the wrong way. Please check if there is any exception on the terminal...
View ArticleAnswer by Amine Sehaba for OpenCv error can't open camera through video capture
This issue is due to the interruption. Try to end the execution with the key 'q' for example, don't close the window suddenly.I solved the same issue by opening terminal again and execute the same...
View ArticleAnswer by Mazhai for OpenCv error can't open camera through video capture
Most likely a permission issue on /dev/video0.Check if you are part of "video" group.id -aif you don't see video in your group list addsudo usermod -a -G videofor Ubuntu users:(20.04)sudo usermod -a -G...
View ArticleAnswer by abey for OpenCv error can't open camera through video capture
I got the same error. Try changing 0 to -1cap = cv2.VideoCapture(-1)This solved the issue.
View ArticleAnswer by ankit for OpenCv error can't open camera through video capture
I got the same problem when I created more than one instance of the cv2.VideoCapture(0). So check if your code contains multiple initializations or sections which call cv2.VideoCapture(0) more than...
View ArticleAnswer by veradeus for OpenCv error can't open camera through video capture
I had the same problem,Just change 0 to 1,then to -1 and back again to 0.Don't know why this worked for me.
View ArticleAnswer by Sohel Reza for OpenCv error can't open camera through video capture
I will not go to that part What you are trying to do, here is just a block of code that can open your camera every time you run it,python: 3.7.3OpenCV: 4.1.0import cv2cap = cv2.VideoCapture(0)while...
View ArticleOpenCv error can't open camera through video capture
I was using my cam through opencv and suddenly after restarting I ran my code it shows below error:[ WARN:0] global /io/opencv/modules/videoio/src/cap_v4l.cpp (802) open VIDEOIO ERROR: V4L: can't open...
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