Rwave (version 2.4-8)

RidgeSampling: Sampling Gabor Ridge

Description

Given a ridge phi (for the Gabor transform), returns a (regularly) subsampled version of length nbnodes.

Usage

RidgeSampling(phi, nbnodes)

Arguments

phi

ridge (1D array).

nbnodes

number of samples.

Value

Returns a list containing the discrete values of the ridge.

node

time coordinates of the ridge samples.

phinode

frequency coordinates of the ridge samples.

Details

Gabor ridges are sampled uniformly.

References

See discussions in the text of "Time-Frequency Analysis''.

See Also

wRidgeSampling.