NDLI: Building extraction from LIDAR data

Content Provider	IEEE Xplore Digital Library
Author	Nardinocchi, C. Scaioni, M. Forlani, G.
Copyright Year	2001
Description	Author affiliation: Universita degli Studi di Roma "La Sapienza", Rome, Italy (Nardinocchi, C.)
Abstract	A strategy for building reconstruction relying on LIDAR data only is presented. Roofs are modeled as plane surfaces, connected along ridges and bordered by the eaves lines. Edge pixels and plane surfaces are detected and labelled as roof slopes based on gradient orientation and plane fitting by RANSAC; a similar procedure applies to eaves lines. Based on geometric reasoning, the topology of the roof slopes and walls is reconstructed, deriving also roof ridges and roof corners. Constraints to be enforced in order to obtain a building shape consistent with the geometric evidence are established. The final reconstruction is performed by a global l.s. adjustment where all raw data contribute to a determination of the building faces while the constraints are satisfied. Preliminary results from a laser scanning survey with a ground resolution of 1 m are presented.
Sponsorship	IEEE/Geosci. & Remote Sensing Soc.
Starting Page	79
Ending Page	84
File Size	455473
Page Count	6
File Format	PDF
ISBN	0780370597
DOI	10.1109/DFUA.2001.985731
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-11-08
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data mining Laser radar Image reconstruction Buildings Solid modeling Surface fitting Shape Cities and towns Surface reconstruction Topology
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Libarray of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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