My video preview is lagging so bad, what's the problem?

2023年7月13日 — Hi all, I am brand new to the Arduino language, but I know some python. I have created code that takes input from a webcam, and using OpenCV ...

2020年12月10日 — the camera will produce frames at its own constant rate. if you don't consume them promptly, they queue up. that is the delay you see.

2021年2月28日 — Hello, I have problem that my video preview from cv2 is lagging around 2 fps even my webcam has 30 fps specification.

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).

2023年6月2日 — I'm doing face recognition with python opencv. I will run this project on a server. When running on my computer, there is a delay of more ...

2019年10月22日 — ... lagging about 2 seconde on preview i have a lag of about 2s with logitech webcam C920 I try this script in python without lagging: import nu...

2019年10月8日 — My hypothesis is that the jitter is most likely due to network limitations and occurs when a frame packet is dropped.

2015年5月4日 — OpenCV Solution. According to this source, you can set the buffersize of a cv::VideoCapture object.

2021年3月18日 — Go to medium.com and search for articles on profiling python code. Upvote