Segmentation and Reconstruction of Polyhedral Building Roofs From Aerial Lidar Point Clouds Sampath, Aparajithan ; Shan, Jie Abstract Publication: IEEE Transactions on Geoscience and Remote Sensing Pub Date: March 2010 DOI: 10.1109/TGRS.2009.2030180 Bibcode: 2010ITGRS..48.1554S