Sharmila Subramaniam Vana Kalogeraki Themis Palpanas Distributed Real-Time Detection and Tracking of Homogeneous Regions in Sensor Networks. 401-411 2006 conf/rtss/2006 RTSS http://doi.ieeecomputersociety.org/10.1109/RTSS.2006.19 db/conf/rtss/rtss2006.html#SubramaniamKP06