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Results tagged with fft
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user 5581
The fast Fourier transform is an efficient algorithm to compute the discrete Fourier transform (DFT) and its inverse.
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How to process video with DFT/FFT - getting the frequency of green color changes?
(frame size now is ~ 37x32)
use DFT/FFT with sample rate 30
get spectrum
calculate frequency
on DFT I put data from each frame:
video frames quantity = 60
Method 1:
I collect green channel from frame …
- 103