[1] Australian Natl Univ, Coll Engn Comp & Cybernet, Canberra, ACT 2601, Australia
[2] Deakin Univ, Fac Sci Engn & Built Environm, Geelong, Vic 3220, Australia
[3] Australian Natl Univ, Sch Art & Design, Canberra, ACT 2600, Australia
[4] RMIT Univ, Sch Architecture & Urban Design, Melbourne, Vic 3001, Australia