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Road Extraction from SAR Imagery

Stilla, Uwe and Hinz, Stefan and Hedman, Karin and Wessel, Birgit (2007) Road Extraction from SAR Imagery. In: Remote Sensing Applications Series, 2. CRC Press/Taylor and Francis. pp. 179-214. ISBN 9781420043747.

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Road extraction from remote sensing data has been of considerable interest in recent years due to the rapid progress of geographic information systems (GIS) and the increasing importance of roads in our daily life. Detailed and up-to-date road information is an important issue for numerous applications. Logistics, tourism, car navigation systems are just a few fields of interest. Yet, to accommodate for the needs of these applications, digital road information requires frequent updates, whereby the main source for road data collection is digital aerial and satellite imagery. Despite of numerous technological advances, the process of data acquisition still needs lot of manual interaction of a human operator, which is of course both timeconsuming and expensive. Consequently, much effort has been put into automatic road extraction approaches in recent years (Stilla et al., 2005). Besides well-known drawbacks due to the specific viewing geometry and coherent imaging, synthetic aperture radar (SAR) holds some prominent advantages over optical images (Stilla and Soergel, 2006). For instance, SAR is an active system, which can operate during day and night. It is also nearly weather-independent and, moreover, during bad weather conditions, SAR is the only operational system available today. Road extraction from SAR images therefore offers a suitable complement or alternative to road extraction from optical images. The remainder of this chapter is organized as follows: Section 10.2 sketches typical approaches for road extraction from remote sensing data with their underlying models and extraction strategies before outlining an extraction system developed at Technische Universitaet Muenchen (TUM) in more detail. Section 10.3 focuses then on the adaptation of this (generic) approach to the particular challenges induced by the utilization of SAR images. Finally, Section 10.4 presents novel concepts for the extension of road extraction from SAR data concerning the employed models and strategies and illustrates the benefits of these extensions by examples.

Item URL in elib:https://elib.dlr.de/48679/
Document Type:Contribution to a Collection
Title:Road Extraction from SAR Imagery
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Wessel, BirgitUNSPECIFIEDhttps://orcid.org/0000-0002-8673-2485134160578
Date:3 October 2007
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 179-214
EditorsEmailEditor's ORCID iDORCID Put Code
Publisher:CRC Press/Taylor and Francis
Series Name:Remote Sensing Applications Series
Keywords:Road extraction, SAR images, extraction strategies
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Projekt TerraSAR-X Kalibration und Projektunterstützung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Environment and Security
Deposited By: Wessel, Dr.-Ing. Birgit
Deposited On:11 Aug 2008
Last Modified:02 May 2023 12:12

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