TY - JOUR A1 - Grasso, N. A1 - Verbree, E. A1 - Zlatanova, S. A1 - Piras, M. T1 - STRATEGIES TO EVALUATE THE VISIBILITY ALONG AN INDOOR PATH IN A POINT CLOUD REPRESENTATION JO - ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Annals VL - IV-2/W4 SP - 311 EP - 317 Y1 - 2017/09/13 PB - Copernicus Publications SN - 2194-9050 UR - https://isprs-annals.copernicus.org/articles/IV-2-W4/311/2017/ L1 - https://isprs-annals.copernicus.org/articles/IV-2-W4/311/2017/isprs-annals-IV-2-W4-311-2017.pdf DO - 10.5194/isprs-annals-IV-2-W4-311-2017 ER -