filter

library(magick)

## Linking to ImageMagick 6.9.12.3
## Enabled features: cairo, freetype, fftw, ghostscript, heic, lcms, pango, raw, rsvg, webp
## Disabled features: fontconfig, x11

frink <- image_read("https://jeroen.github.io/images/frink.png")
print(frink)

##   format width height colorspace matte filesize density
## 1    PNG   220    445       sRGB  TRUE    73494   72x72

image_blur(frink, 20, 5)

image_noise(frink)

image_charcoal(frink)

image_oilpaint(frink)

image_negate(frink)