[R] Is there a package for digitizing or reading jpegs, ets. in R?

[Peter Hovmand]

I'm interested in digitizing some scanned time series, and looking for a 
solution that is easy and flexible. I thought I might be able to use R's 
locator() if I could get the image into a device. I noticed that there 
are some packages like (rimage), but it (a) doesn't seem to be available 
for the Windows version and forces me to upgrade a bunch of libraries 
for my linux system. It seems like someone should have something for 
digitizing maps and/or there something very obvious that I am missing 
here. Any suggestions would be appreciated!

Peter