imgHighPassFilter {biOps} | R Documentation |
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 |
imgHighPassFilter (imgdata)
imgdata |
The image |
return an imagedata object
## Not run: x <- readJpeg(system.file("samples", "violet.jpg", package="biOps")) y <- imgHighPassFilter(x) ## End(Not run)