NDLI: Modeling contextual knowledge for controlling road extraction in urban areas

Content Provider	IEEE Xplore Digital Library
Author	Hinz, S. Baumgartner, A. Ebner, H.
Copyright Year	2001
Description	Author affiliation: Photogmmmetry & Remote Sensing, Technische Univ. Munchen, Germany (Hinz, S.)
Abstract	This paper deals with the role of context for automatic extraction of man-made structures from aerial images taken over urban areas. Due to the intrinsic high complexity of urban scenes we propose to guide the extraction by contextual knowledge about the objects. We represent this knowledge explicitly by a context model. Based upon this model we are able to split the complex task of object extraction in urban areas into smaller sub-problems. The novelty presented in this contribution mainly relates to the fact that essential contextual information is gathered at the beginning of the extraction, thus, it is available during the whole extraction, and furthermore, it allows for automatically controlling the extraction process: for data consistency reasons, we use the imagery as the only source for both gaining contextual information and extracting roads. Advantages and remaining deficiencies of the proposed strategy are discussed.
Sponsorship	IEEE/Geosci. & Remote Sensing Soc.
Starting Page	40
Ending Page	44
File Size	932770
Page Count	5
File Format	PDF
ISBN	0780370597
DOI	10.1109/DFUA.2001.985722
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	Context modeling Urban areas Data mining Roads Layout Automatic control Process control Remote sensing Geographic Information Systems Image reconstruction
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 Library 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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