imager (version 0.14)

imsharpen: Sharpen image.

Description

Sharpen image.

Usage

imsharpen(im, amplitude, sharpen_type = FALSE, edge = 1, alpha = 0,
  sigma = 0)

Arguments

im

an image

amplitude

Sharpening amplitude

sharpen_type

Select sharpening method. Can be { false=inverse diffusion | true=shock filters }.

edge

Edge threshold (shock filters only).

alpha

Gradient smoothness (shock filters only).

sigma

Tensor smoothness (shock filters only).

Examples

layout(t(1:2))
plot(boats,main="Original")
imsharpen(boats,150)  %>% plot(main="Sharpened")