TY - RPRT TI - Construction object identification from LADAR scans: an experimental study using i-beams AU - Gilsinn, David E AU - Witzgall, Christoph AU - Cheok, Geraldine S AU - Lytle, Alan PY - 2005 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 7286 DO - 10.6028/NIST.IR.7286 ER -