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& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

AN INTEGRATED, OPEN-SOURCE SET OF

TOOLS FOR URBAN RISK MONITORING

USING EARTH OBSERVATION DATA IN A

CONTEXT OF CULTURAL HERITAGE

PRESERVATION

Daniele De Vecchi, Mostapha Harb, Daniel Aurelio Galeazzo, Fabio Dell’Acqua

Department of Industrial and Information Engineering, University of Pavia, Pavia, Italy

Aerospace Section, EUCENTRE Foundation, Pavia, Italy

Contact: daniele.devecchi03@universitadipavia.it

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

INTRODUCTION

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& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

Cultural Heritage sites are subjected to

various types of risk…

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

NATURAL DISASTERS

Risk of

natural

disasters

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

POLLUTION

Effect of

pollution on

cultural

heritage

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

URBAN SPRAWLING

Urban

expansion is one of

the most

demandingactivities in terms of

natural

resources

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& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

In the context of risk monitoring..

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

EXPOSURE PROXIES

Medium Resolution High Resolution

Unsupervised built-up area Building footprints

Age of built-up area

(evolution in time)Building height

Building regularity

Building alignment

Building density

Roof type

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

EARTH OBSERVATION TOOLS

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

EARTH OBSERVATION TOOLS

Earth Observation

Tools

Image Processing

GIS tools

Vulnerability-oriented

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

EARTH OBSERVATION TOOLS

QGIS plugin - User interface

Workflows - Scripts

Preprocessing Conversion Segmentation Classification Features Multi PostGISSecondary indicators

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

Workflows - Scripts

github.com/SENSUM-project/sensum_rs ldt.unipv.it/sensum-docs/lib.html

python "C:/Users/Daniele/scripts/stacksatellite.py" "F:/Sensum_xp/IZR/Built_up" "Edison" "5" --restrict_to_city "F:/Sensum_xp/DLR_validation/IZR/Built_up/sensum_TK_utm.shp" --pca_ob_method --segmentation_parameters 5 5 50 1

EARTH OBSERVATION TOOLS

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& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

EARTH OBSERVATION TOOLS

QGIS plugin

github.com/SENSUM-project/sensum_rs_qgis

plugins.qgis.org/plugins/sensum_eo_tools/ ldt.unipv.it/sensum-docs/

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& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

ESA G-POD INTEGRATION

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Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

ISTANBUL TEST CASE

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Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

ISTANBUL TEST CASE

> 14 Million people (2014)

Extension of 5,342 km2

Close to North Anatolian fault

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& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

ISTANBUL TEST CASE

Areas under threat

Natural

disasters

Population

pressure

Industrial

pollution

Uncontrolled

expansion

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& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

ISTANBUL TEST CASE

Historic areas of Istanbul

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

WORKFLOW

Download from USGS repository

1984 - 2014

Stack satellite algorithm

Dissimilarity-based

Unsupervised change

detection algorithm

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& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

RESULTS

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Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

CAN I TRY IT?

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

CONCLUSION

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

CONCLUSION

Set of tools to extract exposure-relatedinformation

Track the expansion in time

FOSS

Early warning against threats to

heritage area from urban expansion

T L C

& R SL a b

Telecommunications and Remote Sensing Lab. Dept. ECBE, Univ. of Pavia

http://www.sensum-project.eu/ http://www.rasor-project.eu/http://marsite.eu/