imgSharpen {biOps}R Documentation

Sharpens an image with selected mask

Description

This function sharpens an image by convoluting with one of the following matrices:
1 2 3 1
0 -1 0 || -1 -1 -1 || 1 -2 1
-1 5 -1 || -1 9 -1 || -2 5 -2
0 -1 0 || -1 -1 -1 || 1 -2 1

Usage

imgSharpen (imgdata, mask)

Arguments

imgdata The image
mask The matrix to be used in the convolution. Must be one of 1, 2, 3 (default=1)

Value

return an imagedata object

Examples

        ## Not run: 
                x <- readJpeg(system.file("samples", "violet.jpg", package="biOps"))
                y <- imgSharpen(x, 2)
        
## End(Not run)

[Package biOps version 0.2.1 Index]