prof. dr. reinhart d. kühne german aerospace center institute of transportation research satellite...

Prof. Dr. Reinhart D. KühneGerman Aerospace Center

Institute of Transportation Research

Satellite borne traffic data detection and traffic management

BITS-Seminar, Shanghai, March 4th, 2003

Traffic Objects

Congestion Turning flow

Incident Spreading

Traffic Objects:

Origin - Destination - Relation

Traffic Objects:

Problem: Image distortion due to camera pointing instability on satellites with moderate attitude stability

Real-time focal plane image motion measurement

with an Optical Correlator

and posteriori image correction

Solution :

Enabling Technologies SMART OPTICAL IMAGING

MEDIUM-RESOLUTION MULTI-SPECTRAL IMAGERMEDIUM-RESOLUTION MULTI-SPECTRAL IMAGER

attitude instability

Enabling Technologies

Solved problem: Minimization of data downlink capacity

Onboard Thematic Image Data Reduction

0.15 m

2 m

3 m

Recognition Result Traffic Density

Solved problem: Wide area traffic density estimation with moderate spatial image resolution

Subpixel Car Image Recognition

Spaceborne Earth Observation – Existing Systems

Paris

Tokio

BostonPictures by DigitalGlobe

Service Center:Satellite control infrastructure

Service Management

Service Center:Satellite control infrastructure

Service Management

Secure Web-Based Service Portal 1:

P/L Configuration uplink

Secure Web-Based Service Portal 1:

P/L Configuration uplinkSecure Web-Based Service

Portal 2:R/T Pre-processed Payload Data

Base

Secure Web-Based Service Portal 2:

R/T Pre-processed Payload Data BaseContent Provider:

P/L Configuration uplink planing

Content Provider:P/L Configuration uplink planing

Web-Based Customer PortalTraffic data base for final user

Web-Based Customer PortalTraffic data base for final user

Final User:Web-based access to services via

Internet/GSM etc.

Final User:Web-based access to services via

Internet/GSM etc.

Enabling Technology WEB-BASED ACCESS PORTALS