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Check whether 1-D DFT is an example of a unitary transform or not.

written 6.0 years ago by teamques10 ★ 67k

•   modified 4.5 years ago

digital image processing

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written 6.0 years ago by teamques10 ★ 67k

The Fourier transform can be represented as

F = Wf where f is the input and W is the DFT matrix.

Taking N = 4, we form a DFT matrix

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