WaveletMapIndexed

WaveletMapIndexed[f,wd]
applies the function f to the arrays of coefficients and indices of a ContinuousWaveletData or DiscreteWaveletData object.

WaveletMapIndexed[f,dwd,wind]
applies f to the DiscreteWaveletData coefficients specified by wind.

WaveletMapIndexed[f,cwd,octvoc]
applies f to the ContinuousWaveletData coefficients specified by octvoc.

DetailsDetails

ExamplesExamplesopen allclose all

Basic Examples  (2)Basic Examples  (2)

Rescale all coefficients of a discrete wavelet transform by 20:

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Normal gives the array of coefficients:

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Compare with the unmodified coefficients:

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Amplify the coefficient of the stationary wavelet transform of an image:

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The inverse wavelet transform gives an image with vertical edges sharpened:

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Introduced in 2010
(8.0)