id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
gi-2693	Salonia, Paolo; Messina, Tommaso Leti; Marcolongo, Andrea; Appolonia, Lorenzo	Photo Scanner 3D Survey for Monitoring Historical Monuments. the Case History of Porta Praetoria in Aosta	2011	9	.pdf	application/pdf	4826	266	47	The acquisition system then consists of a hardware, that is a camera with fixed optics appropriately calibrated (to know the value of the mounted lens distortion), a calibrated chassis of 90 cm mounted on a tripod with a rotating head and 3D software based on an algorithm of image analysis which makes it extremely efficient and precise. Geoinformatics CTU FCE 320 Figure 3: 3D point cloud models with RGB information 3.	cache/gi-2693.pdf	txt/gi-2693.txt