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Wavelab Toolbox >> Wavelab Toolbox > Continuous Wavelet Transform tools > ExtractRidge

ExtractRidge

Pull One Ridge Continuous Wavelet Transform

Calling Sequence

ridge = ExtractRidge(ridgenum,wt,skellist,skelptr,skellen)

Parameters

Inputs:

ridgenum:

index of ridge to extract, 1 <= ridgenum <= nchains

wt :

continuous wavelet transform output by CWT

skellist :

storage for list of chains

skelptr :

vector of length nchain -- pointers to heads of chains

Outputs:

ridge:

len by 2 array of numbers, each row is a scale, amplitude pair

Description

The amplitude of the wavelet transform is followed along the ridge chain.

See also

Authors

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