imgHighPassFilter {biOps}R Documentation

Sharpens an image

Description

This function sharpens an image by convoluting with the following matrix:
-1/9 -1/9 -1/9
-1/9 8/9 -1/9
-1/9 -1/9 -1/9

Usage

imgHighPassFilter (imgdata)

Arguments

imgdata The image

Value

return an imagedata object

Examples

        ## Not run: 
                x <- readJpeg(system.file("samples", "violet.jpg", package="biOps"))
                y <- imgHighPassFilter(x)
        
## End(Not run)

[Package biOps version 0.2.1 Index]