TY - Generic T1 - Reconstructing Images of Bar Codes for Construction Site Object Recognition T2 - Proceedings of the 19th International Symposium on Automation and Robotics in Construction Y1 - 2002 A1 - Gilsinn,David E. A1 - Cheok,Geraldine S. A1 - O'Leary, Dianne P. JA - Proceedings of the 19th International Symposium on Automation and Robotics in Construction ER -