The 2D Tree Sliding Window Discrete Fourier Transform

25 Jul 2017 Lee F. Richardson William F. Eddy

We present a new algorithm for the 2D Sliding Window Discrete Fourier Transform (SWDFT). Our algorithm avoids repeating calculations in overlapping windows by storing them in a tree data-structure based on the ideas of the Cooley- Tukey Fast Fourier Transform (FFT)... (read more)

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