val noronha university of california, santa barbara integrating rs into transportation information...
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Val NoronhaUniversity of California, Santa Barbara
Integrating RS into Transportation
Information Systems
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STELLA/STAR 2002-01-17 #2 N C R S T
Why this engineering stuff?
Methodological research• DOT as customer: GI-science brings
operational efficiencies• Academics (social scientists) as end-
users: facilitates DOT data, e.g. access, safety
Hands across the sea: idea exchange
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STELLA/STAR 2002-01-17 #3 N C R S T
Background
U.S. DOT — NASAPartnership
Transportation Legislation “TEA-21”
Environment
Flows Hazards
Infrastructure
4 universities
4 TAPs
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STELLA/STAR 2002-01-17 #4 N C R S T
NCRST Philosophy
Rapid evolution of research into commercial products, practice
User consultation and outreach Partnerships: industry,
international
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STELLA/STAR 2002-01-17 #5 N C R S T
Research Production Line
ProblemSensor
Image processing
Data integration
Decision/solution
Data management
Needs analysisSensor technology
Image processing tech
Analysis/process model
Education & outreach
Data models,communication
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STELLA/STAR 2002-01-17 #6 N C R S T
NCRST—Infrastructure
Asset management (esp. location referencing)
ITS Corridor/facility location Security
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C E N T E R L I N E
M A P P I N G
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STELLA/STAR 2002-01-17 #8 N C R S T
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STELLA/STAR 2002-01-17 #9 N C R S T
Centerline databases — families
Pro
duce
rsU
sers
ITS
State, localDOT
USGS1:24K
State, local
Engineering
DesignCAD
Mapquest
TIGER
GDTNavtech
CVO/Logistics
RS RS RS
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STELLA/STAR 2002-01-17 #10 N C R S T
Early Thinking
RS is not a monolithic solution; many types of imagery many approaches
No centerline solution is the “right” answer for all needs; each addresses a niche• scale• rural vs urban
Initial plan: validate RS with GPS
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STELLA/STAR 2002-01-17 #11 N C R S T
Imagery Resources
AVIRIS
Soft copyphotogrammetry
Landsat TM
Spatial resolution
Spect
ral re
solu
tion
IKONOS
Material classification
Edge detection
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STELLA/STAR 2002-01-17 #13 N C R S T
Lessons Learnt
There are many approaches No RS centerline solution is the
answer to all our needs; each addresses a niche
Manual process with some automation, or largely automated process with some user intervention
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STELLA/STAR 2002-01-17 #14 N C R S T
The GPS Challenge
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STELLA/STAR 2002-01-17 #15 N C R S T
GPS Results — lane resolution
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STELLA/STAR 2002-01-17 #16 N C R S T
GPS for Hwy Ops
Hi end
Lo end compatibility
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STELLA/STAR 2002-01-17 #19 N C R S T
Centerlines from RS — conclusion
RS not a fully automated solution … yet Augments other methods (e.g. GPS)
effectively, esp. visual verification Good for small areas: 1:5K soft-copy
photogrammetry Good for large areas, 1:50K to 1:100K …
global databases, sustainable policy, etc Research is promising, worth pursuing
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STELLA/STAR 2002-01-17 #20 N C R S T
Centerline databases — families
Pro
duce
rsU
sers
ITS
State, localDOT
USGS1:24K
State, local
Engineering
DesignCAD
Mapquest
TIGER
GDTNavtech
CVO/Logistics
RS RS RS
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STELLA/STAR 2002-01-17 #21 N C R S T
Data exchange support
UNETRANS — with ESRI NSDI Road Identification Standard NCHRP 20-27(3) — led by UW Inter-state partnerships
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STELLA/STAR 2002-01-17 #22 N C R S T
UNETRANS
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A I R P O R T
P L A N N I N G
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STELLA/STAR 2002-01-17 #24 N C R S T
Airport Planning
FAA priorities• 3-D Airport Layout Planning• 3-D Airport Approach Planning
LIDAR projects• St Petersburg, FL• Plant City, FL
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STELLA/STAR 2002-01-17 #25 N C R S T
3-D Airport Approach Planning
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STELLA/STAR 2002-01-17 #26 N C R S T
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STELLA/STAR 2002-01-17 #28 N C R S T
New Projects
Security of infrastructure Corridor alignment Pavement condition (hyperspectral) LIDAR and photogrammetry
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STELLA/STAR 2002-01-17 #29 N C R S T
OrbImage — Imagery Access
Virginia — widening Rte 1 from Woodrow Wilson bridge to Dale City
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STELLA/STAR 2002-01-17 #30 N C R S T
Tetra Tech — multi-modal transfers
Land use classification — methodology test
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STELLA/STAR 2002-01-17 #31 N C R S T
Counting containers — methodology development
Tetra Tech — multi-modal transfers
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STELLA/STAR 2002-01-17 #32 N C R S T
Tetra Tech — multi-modal transfers
Washington Blvd corridor ...
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STELLA/STAR 2002-01-17 #33 N C R S T
… objects in 15 cm imagery
Tetra Tech — multi-modal transfers
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STELLA/STAR 2002-01-17 #34 N C R S T
Boston — Big Dig impacts
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STELLA/STAR 2002-01-17 #35 N C R S T
www.ncgia.org• CSISS• VITAL• NCRST
Keep in touch!