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Title: A two-level Markov random field for road network extraction and its application with optical, SAR, and multitemporal data

Journal Article · · International Journal of Remote Sensing
 [1];  [2];  [3];  [3]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Telecom ParisTech, Paris (France)
  3. Univ. of Sao Paulo (Brazil). Inst. of Mathematics

This article introduces a method for road network extraction from satellite images. The proposed approach covers a new fusion method (using data from multiple sources) and a new Markov random field (MRF) defined on connected components along with a multilevel application (two-level MRF). Our method allows the detection of roads with different characteristics and decreases by around 30% the size of the used graph model. Results for synthetic aperture radar (SAR) images and optical images obtained using the TerraSAR-X and Quickbird sensors, respectively, are presented demonstrating the improvement brought by the proposed approach. In a second part, an analysis of different types of data fusion combining optical/radar images, radar/radar images, and multitemporal SAR (TerraSAR-X and COSMO-SkyMed) images is described. Overall, the qualitative and quantitative results show that the fusion approach improves considerably the results of the road network extraction.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR); FAPESP
Grant/Contract Number:
AC02-05CH11231; 2011/50761-2
OSTI ID:
1764515
Journal Information:
International Journal of Remote Sensing, Vol. 37, Issue 16; ISSN 0143-1161
Publisher:
Taylor & FrancisCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (1)

Fusing of Optical and Synthetic Aperture Radar (Sar) Remote Sensing Data: a Systematic Literature Review (Slr) journal February 2019