dct

package

v0.0.1 Latest Latest Go to latest Published: Sep 4, 2014 License: MIT Imports: 3 Imported by: 1

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Package dct provides support for Discrete Cosine Transform (DCT).

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func DCT(x []float64) []float64

DCT returns DCT-II coefficients given an input signal.

func DCTOrthogonal(x []float64) []float64

DCTOrthogonal returns orthogonal DCT-II coefficients given an input signal.

func IDCT(dctCoef []float64) []float64

IDCT returns Inverse DCT (DCT-III) given a input signal.

func IDCTOrthogonal(dctCoef []float64) []float64

IDCTOrthogonal returns Inverse DCT (DCT-III) coefficients given a input signal.

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