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