M. ter Brugge J. A. G. Nijhuis Lambert Spaanenburg J. H. Stevens CNN-Applications in Toll Driving. 465-477 1999 23 VLSI Signal Processing 2-3 http://dx.doi.org/10.1023/A:1008165623166 db/journals/vlsisp/vlsisp23.html#BruggeNSS99