rwt (version 1.0.0)

threshold: Threshold Input Signal

Description

Thresholds the input signal y with the threshold value thld.

Usage

hardTh(y, thld)
softTh(y, thld)

Arguments

y

1D or 2D signal to be thresholded

thld

numeric threshold value to be applied

Value

x

Thresholded output

References

D.L. Donoho De-noising via Soft-Thresholding Tech. Rept. Statistics, Stanford (1992)

Examples

sig <- makesig(SIGNAL.WERNER.SORROWS, 8)
thld <- 1
x <- rwt:::hardTh(sig$x, thld)