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How to detect motion in streaming video?
The point is. There is streaming video from a camera aimed at the door. Usually the picture does not change, but sometimes people come. Is there a ready-made solution that will allow you to track the movement on the video and put an event (sound notification) on it, or write a crutch?
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diff между кадрами. Если принять во внимание, что fps в среднем ~30. То можешь раз в секунду считать diff с 1/5/5 кадра. Через 25 кадров получишь diff для всего кадра. Это работает при условии, что движение очень медленное. Если быстрое, что diff для каждого кадра. www.arstel.com/ru/articles/art1p3.php
Или OpenCL
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