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Last data update: 2014.03.03

R: Smoothed gray

graySmoothed

R Documentation

Smoothed gray

Description

Averaging, detrending, and smoothing of the columns in a gray matrix.

Usage

graySmoothed(image, all = FALSE, ...)

Arguments

`image`	character or matrix. Either path of an image section or an array representing a gray matrix.
`all`	logical. If TRUE the column numbers and moving averages are added to the output.
`...`	arguments to be passed to `imageTogray`.

Value

data frame with the smoothed grays. If argument all is TRUE the output is extended the with the columns in gray matrix, and the moving averages.

Author(s)

Wilson Lara, Carlos Sierra, Felipe Bravo

Examples

## (not run) Read one image section in package measuRing:
image1 <- system.file("P105_a.png", package="measuRing")    
## (not run) the smoothed gray:
smoothed <- graySmoothed(image1,ppi=1000)
## (not run) Plot of the smoothed gray:        
Smooth <- ts(smoothed)
main. <- 'Smoothed gray'
plot(Smooth,xlab = 'Column', main=main.,
     ylab = 'Smoothed gray',col = 'gray')