1. Carleton University,Department of Systems and Computer Engineering,Ottawa,ON,Canada
2. University of Waterloo,Dept. Electrical and Computer Eng.,Waterloo,ON,Canada
3. Cistel Technology,Research and Development,Ottawa,ON,Canada
4. Dalhousie University,Faculty of Computer Science,Halifax,NS,Canada
5. Hegyi Geomatics International Inc.,Research and Development,Ottawa,ON,Canada