3 ms·
Not from a YouTube video, due to the video compression obliterating the small details needed to get the frequency. But the article notes that a rolling shutter
by function_seven 9y ago
Not from a YouTube video, due to the video compression obliterating the small details needed to get the frequency. But the article notes that a rolling shutter allows even a 60fps camera to capture higher frequencies. Each scan line of the captured video is at a sub-frame time slice. If the object occupies a hundred scan lines, then you have 100 slightly shifted 60 hz samples that you can combine to reconstruct higher frequencies.