baseline.rollingBall: Rolling ball

In baseline: Baseline Correction of Spectra

Rolling ball

Description

Ideas from Rolling Ball algorithm for X-ray spectra by M.A.Kneen and H.J. Annegarn. Variable window width has been left out

Usage

baseline.rollingBall(spectra, wm, ws)

Arguments

spectra	Matrix with spectra in rows
wm	Width of local window for minimization/maximization
ws	Width of local window for smoothing

Value

baseline	Matrix of baselines corresponding to spectra spectra
corrected	Matrix of baseline corrected spectra

Author(s)

Kristian Hovde Liland and Bjørn-Helge Mevik

References

M.A. Kneen, H.J. Annegarn: Algorithm for fitting XRF, SEM and PIXE X-ray spectra backgrounds

Examples

data(milk)
bc.rollingBall <- baseline(milk$spectra[1,, drop=FALSE], wm=200, ws=200,
	method='rollingBall')
## Not run: 
	plot(bc.rollingBall)

## End(Not run)

baseline documentation built on Nov. 18, 2023, 5:14 p.m.