R's native object for representing images is a "raster". This function converts raster objects to cimg objects.
# S3 method for raster
as.cimg(obj, ...)
a raster object
ignored
a cimg object
# NOT RUN {
rst <- as.raster(matrix((1:4)/4,2,2))
as.cimg(rst) %>% plot(int=FALSE)
all.equal(rst,as.raster(as.cimg(rst)))
# }
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