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Discrete Cosine Transform(DCT)

  1. Sep 14, 2013 #1
    The N real numbers x0, ..., xN-1 are transformed into the N real numbers X0, ..., XN-1 according to one of the formula by DCT.

    I would ask what is the benefit and why should we do that?
     
  2. jcsd
  3. Sep 14, 2013 #2

    mathman

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