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53 questions
Tagged
python
×
videocapture
×
3k
views
no
answers
no
votes
2020-10-26 11:15:43 -0600
Rickvanhek
Insanely high cpu usage for simple videocapture (50% cpu usage)
videocapture
rtsp
opencv
python
3k
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
1k
views
no
answers
no
votes
2020-07-14 14:00:42 -0600
selamie
VideoCapture.read() freezing when reading from gstreamer
python
debian
debugging
videocapture
10k
views
1
answer
no
votes
2020-04-27 15:39:25 -0600
slalomchip
Reliable Video Capture in OpenCV from USB Video Capture Devices
CaptureDevice
python
opencv
Video
videocapture
usb
1k
views
no
answers
no
votes
2020-03-10 12:12:22 -0600
DamianLitman
Nonmatching transport in server reply + onvif +rtsp +python
python
onvif
Nonmatching
transport
videocapture
8k
views
no
answers
no
votes
2020-02-06 19:19:04 -0600
gersonmlb
Error cv :: VideoWriter :: open VIDEOIO (CV_IMAGES): raised OpenCV exception: when executing a .exe packaged from a .py
opencv
python
videocapture
819
views
no
answers
no
votes
2019-10-24 01:50:16 -0600
FatalException
VideoCapture from camera works only in debug (Python)
python
videocapture
1k
views
no
answers
no
votes
2019-09-05 05:02:06 -0600
vladvin
error: (-215:Assertion failed) api != 0 in function 'getBackendName'
videocapture
python
ffmpeg
gstreamer
v4l2
1k
views
1
answer
no
votes
2019-08-22 12:08:48 -0600
fishy
OpenCV 4.1.0 not changing brightness
opencv
python
videocapture
6k
views
1
answer
2
votes
2019-07-24 03:21:28 -0600
Ziri
4K VideoCapture very slow on Windows compared to MS Camera App
videocapture
windows
python
4K
625
views
no
answers
no
votes
2019-07-21 02:56:21 -0600
dwalker
VideoCapture failing for ~25% of videos from IP Camera
python
videocapture
12k
views
no
answers
no
votes
2019-07-08 17:14:56 -0600
Lich
How to optimize frame grabbing from video stream in OpenCV?
videocapture
RaspberryPi
gstreamer
python
1k
views
no
answers
no
votes
2019-06-25 15:59:28 -0600
Aglo
cv2.VideoCapture(0).isOpened() return always false
videocapture
false
windows
python
3k
views
1
answer
no
votes
2019-06-14 02:57:55 -0600
shuhei
delay of VideoCapture::read (python)
opencv
python
videocapture
3k
views
1
answer
no
votes
2019-01-27 21:20:27 -0600
supra56
VideoCapture freezes immediately after calling in code | Python 3
opencv
python
videocapture
cvWaitKey
cv2
computervision
2k
views
no
answers
no
votes
2018-12-18 17:14:51 -0600
machineelf
VideoCapture returns empty frame in c++ but not in Python
imshow
c++
python
videocapture
gstreamer
311
views
no
answers
no
votes
2018-06-01 13:05:06 -0600
WaleedJubeh
openCV online Camera [closed]
opencv
python
videocapture
ip
camera
Network
7k
views
no
answers
no
votes
2017-12-21 02:10:34 -0600
selingok
build opencv with ffmpeg support
opencv
python
ffmpeg
videocapture
83k
views
2
answers
no
votes
2017-12-04 05:38:12 -0600
supra56
How to solve this cvtColor() error? "cv2.error: C:\builds\master_PackSlaveAddon-win32-vc12-static\opencv\modules\imgproc\src\color.cpp:7456: error: (-215) scn == 3 || scn == 4 in function cv::ipp_cvtColor"
python
cvtColor
videocapture
Video
CaptureVideo
447
views
1
answer
no
votes
2017-10-18 13:47:11 -0600
Vijay Nirmal
Second camera is not opening until the first camera is released
opencv
python
videocapture
200
views
no
answers
no
votes
2017-09-17 20:54:33 -0600
PaturonChimere
Problem linking motion detection value to video frame
motion-detection
framegrabber
videocapture
python
specificFrame
2k
views
2
answers
no
votes
2017-08-16 21:01:27 -0600
supra56
cv2.videoCapture(filename) assigning filename dynamically
videocapture
opencv2
python
FaceRecognizer
videofile
9k
views
1
answer
1
vote
2017-05-17 02:21:05 -0600
J. Romeo
VideoCapture captures at low fps
python
opencv
low
fps
videocapture
9k
views
1
answer
no
votes
2017-03-29 10:17:36 -0600
potu1304
OpenCV Error: Assertion failed (size.width>0 && size.height>0) in cv::imshow (Python)
python
videocapture
opencv
1k
views
1
answer
no
votes
2017-03-16 05:32:59 -0600
berak
picamera alternative in openCV(C++)
c++
RPi
picamera
videocapture
python
10k
views
1
answer
no
votes
2017-02-22 13:53:42 -0600
Codacus
python frame grabbing from ip camera and process in a different thread
videocapture
threads
ipcamera
Multithreading
python
16k
views
1
answer
no
votes
2016-12-20 11:25:15 -0600
smokey
How does the cv2.VideoCapture class work with gstreamer pipelines?
gstreamer
videocapture
python
opencv3.1.0
2k
views
no
answers
no
votes
2016-12-05 04:28:37 -0600
NotANumber_1
Netcat stream on /dev/stdin not working with OpenCV 3.1.0-dev on Ubuntu 16.04
opencv3.1.0
python
StreamFromRaspberry
devstdin
videocapture
6k
views
1
answer
no
votes
2016-11-15 11:07:59 -0600
Bruno Leme
RTSP communication problem
opencv
rtsp
stream
python
videocapture
3k
views
1
answer
no
votes
2016-09-16 17:11:04 -0600
Sam94
Segmentation fault OpenCV cap.read() udp stream Python
python
udp
videocapture
gstreamer
1
2
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