OpencvvideocapturedelayPython

2019年6月14日—PC1:Captureof1stframeisdelayedabout3secondes.Afterthat,thecapture(display)lookslikefast-forwarding,finallyframeiscaptured( ...,2022年8月18日—I'mlookingforawaytokeepuptodatewithalivesourceevenifitmeansdroppingframes.Currentapproach.importcv2cap=cv2.,2023年9月16日—Itriedtoreducetheresolutionusingvideo.capture.set,butitdidn'tworkwell.Ineedsmoothvideoforplaterecognition.Canyouhelp .....

參考資訊如下
delay of VideoCapture:

2019年6月14日 — PC1 : Capture of 1st frame is delayed about 3 secondes. After that, the capture(display) looks like fast-forwarding, finally frame is captured( ...

OpenCV real time streaming video capture is slow. How to ...

2022年8月18日 — I'm looking for a way to keep up to date with a live source even if it means dropping frames. Current approach. import cv2 cap = cv2.

Opencv IP camera lag and delay problem

2023年9月16日 — I tried to reduce the resolution using video.capture.set, but it didn't work well. I need smooth video for plate recognition. Can you help ...

Delay in VideoCapture because of buffer

2021年4月14日 — It make delay shorter (not 5-10 seconds but 1-1.5), but delay is still unstable and unsinchronise cameras (sometimes one is faster then other).

Why must I not delay VideoCapture read() calls?

2022年12月21日 — I am using a usb camera. The code below behaves as I expected. Because this is common usage. while True: ret, img = cap.read() cv2 ...

Lot of Delay with my RTSP cam with OpenCV on Python

2020年12月11日 — RTSP streams with FFmpeg in my experience always have a delay of maybe 1 second. Probably due to TCP/reordering etc. If you call. cap = cv2.

Camera is very slow to open when using the MSMF ...

2020年6月28日 — Has anyone tried this: OpenCV VideoCapture lag due to the capture buffer, OpenCV ... VideoCapture() image size in Python Use cv2.

OpenCV VideoCapture lag due to the capture buffer

2015年5月4日 — In my particular case, there is a delay (from time to time) during the live stream processing, so it's needed to get the latest frame each ...

DelayLag in OpenCV VideoCapture

2021年1月12日 — I'm trying to read an rtsp stream from an ip camera using opencv's VideoCapture Class on Ubuntu 20.04 with opencv 4.5. There is a lag in the ...