When working for an exhibition in 2017, I found a new R library that allows nearly every image modification you could think of.
install.packages("magick")
library(magick)
magick_config()
gives you
image_read(path, density = NULL, depth = NULL)
image_write(image, path = NULL, format = NULL, quality = NULL, flatten = FALSE)
image_display(image, animate = TRUE)
image_browse(image, browser = getOption("browser"))
image_append(image, stack = FALSE)
image_average(image)
image_coalesce(image)
image_flatten(image, operator = NULL)
image_fft(image)
image_map(image, map, dither = FALSE)
image_montage(image)
image_morph(image, frames)
image_mosaic(image, operator = NULL)
image_join(...)
image_info(image)
image_animate(image, fps = 10, loop = 0, dispose = c("background","previous", "none"))