institute of digital image processing -...

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Institute of Digital Image Processing

Alexander Almer 13th EC GI&GIS Workshop Porto, 5th July 2007

Alpine Alpine SafetySafety, , SecuritySecurity& & InformationalInformational Services Services

and Technologiesand Technologies

Alexander AlmerAlexander AlmerJOANNEUM RESEARCHJOANNEUM RESEARCHInstitute of Digital Image Institute of Digital Image ProcessingProcessing

1313thth EC GI&GISEC GI&GISWorkshopWorkshop

Porto, 4Porto, 4thth JulyJuly 20072007

Alexander Almer, Thomas Schnabel, Manuela Hirschmugl, Klaus Granica, Johann Raggam (JOANNEUM RESEARCH)

Michael van Dahl (VCS)

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Coordinator

A lpineS afety,S ecurity & I nformationalS ervices and T echnologies

6th Framework ProgrammePriority "Aeronautics and Space" - STREP

Project Team:VCS AG / D (Coordinator)Telematica / DGamma Remote Sensing /CHJoanneum Research / ATele+ Italia /IASI Tyrolean / ASLF Davos /CH

GGMMEESSGlobal Monitoring for Environment and Security

Project - Team

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Agenda

●Objectives and main tasks of the project

●Overview of the technical concept

●System modulesProducts derived from optical remote sensing dataAerial data acquisition platformASSIST system components

●Conclusion and further steps

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ASSIST Objectives

● Improving capabilities of risk warning and risk management in alpine regions

● Implementing an integrated pre-operational service based on existing precursor services and related infrastructure

●Development of generic architecture that can be transposed to other mountainous areas

●Specific focus of ASSIST should contribute to the global network of GMES services

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Main Tasks

● Select, collect and integrate base information on the Alpine regions to create hazard maps

● Define a methodology for updating and distributing hazard maps among the user community

● Define a methodology for forecast and early warning application

● Design and validate an optimized systemsuitable for emergency phases focusing on

data availabilitydata processingdata management and scenario customizationreal time positioning - trackingcommunication capabilities

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Modular System Concept to ensure service evolution

● Service extension: external data sources, additional processing modules and new distribution channels

● Geographical expansion: distributed service nodes for international information exchange

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EO Data Requirements

● Support the different phases of a disaster situation:

Risk AssessmentPreventionEvent Management Regeneration

Event Phase requires (Near) real time data acquisitionFast/automatic data processing chainsFast/automatic data analysis

AerialAerial Data Data AcquisitionAcquisition on on DemandDemand

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Overview of the system components

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2. Topographic normalisation(IMPACT software)

illumination disappears

Optical EO Data: Derivation of Susceptibility Maps

1. Geocoding(RSG software)

QUICKBIRD data from 6th September 2005

Includes material ® 2005, Digital Globe Inc., all rights reserved

People experience regularlythe impacts of landslides, debris flows, flooding or snowavalanches

Testsite Landeck/Tyrol:Investigations on Landslides and the Derivation of Susceptibility Maps

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● Landslide Inventory MapVisual interpretation (stereo interpretation)

● LC Classification from QUICKBIRDSemi-automatic

● Refinements (fine/coarse talus)Automatic generation basedon texture analysis

● Upper Forest BorderAutomatic generation

● Geomorphometric FeaturesAutomatic generation

● GeologyDigitized

Optical EO Data: Input Variables

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Optical EO Data: Derivation of Susceptibility Map

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● Hasselblad H2D–39High definition (39 Megapixel)Consumer class

● IMU (camera orientation)● dGPS: 2x DL4-L1L2 NOVATEL

(camera position)● Low costs – high flexibility

Aerial Data Acquisition: Platform Concept

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● Scenario 1- Rapid mapping (Near Real Time):Product availability within secondsSequential frame-by-frame processing Ortho-rectification, mosaicing

● Scenario 2 - Enhanced mapping: improvement of internal data and product consistency using automatically detected tie-points

Product availability within minutes or very few hoursBulk of image data reasonably should be available

● Scenario 3 - Precision mapping: improvement of pointing accuracy by means of ground control points

Product availability within a few hours up to a few daysAutomatic acquisition using GCP chip data baseInteractively measured in the field or from reference products

Aerial Data Acquisition: Data Processing Scenarios

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Aerial Data Acquisition: Ortho-Rectification/Mosaicing

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Aerial Data Acquisition: Surface Mapping

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● ASSIST Service Node (ASN):Product archive: integration and management of new productsScenario database: customization and definition of scenarios, configurationOGC / Communication services

● ASSIST Mobile Node (AMN):Browser based decision supportand mission control systemHTTP based connection with ASNData visualisation (vector & raster data)Data aquisitionCommunication service

● ASSIST End Device (AED):PDA-based information systemfor field staffData visualisation (vectors, raster images, multimedia information)In-situ data aquisitionMultichannel communication (text messaging, geo-data exchange)

ASSIST System Components

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Conclusions and Next Steps● The presented concept and the realized prototype allows to support the

different risk management phases● Parameters derived from new VHR remote sensing data can improve the

accuracy compared to the ones previously used from HR data● An aerial data acquisition platform offers the possibility of a very fast data

access during an event phase● Harmonisation of the EO data exchange using OGC standards

Enhancement of the Service Node (ASN) regarding detailed definitions of further scenariosUsability evaluation of the Mobile Node focussing on different user groupsUpgrade aerial data acquisition platform by improved GPS and IMUData downlink to processing station (satellite communication)Near real time processing chain

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Contact

JOANNEUM RESEARCH ForschungsgesellschaftInstitute of Digital Image Processing

Wastiangasse 6, 8010 Graz, Austria

DI Alexander [email protected].: ++43 / 316 876 1738Fax: ++43 / 316 876 1720E-Fax: ++43 / 316 876 91738Mobil: ++43 / 699 1876 1738

www.assist-gmes.org

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