val noronha university of california, santa barbara ncrst — infrastructure management
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Val NoronhaUniversity of California, Santa Barbara
NCRST — InfrastructureManagement
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Tri-states 2001-08-14 #2 N C R S T
What is NCRST
Funded under TEA-21, 1998 US DOT: Research & Special Programs
Administration Philosophy: rapid evolution of research
into commercial products, practice User consultation and outreach Partnerships: industry, international
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Tri-states 2001-08-14 #3 N C R S T
Guiding Principles
Rapid evolution of basic research to deployment
Universities feed private sector: Technology Application Partners
Universities engage in consultation and outreach
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Tri-states 2001-08-14 #4 N C R S T
Four NCRSTs
Environment — Mississippi Infrastructure — California Flow — Ohio Hazards — New Mexico
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Tri-states 2001-08-14 #5 N C R S T
GPCI NM Fletcher
Wisconsin Vonderohe Scarpace Adams
Iowa Souleyrett
e Hallmark Andrle
Florida Shrestha Degner Tuell
California Goodchild Church [Estes] Roberts Manjunath Gerges Noronha
Consortium Members
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Tri-states 2001-08-14 #6 N C R S T
Technology Application Partners
OrbImage — Terry Lehman ASL TetraTech — Bill Lyte
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Tri-states 2001-08-14 #7 N C R S T
Steering Committee
Advisor: Chris Lee Industry
• Earthdata — K Schuckman
• GDT — Don Cooke• Intermap — Ron Birk• Oracle — Xavier Lopez
State DOTs• CA — Diane Pierzinski• IA — Ian MacGillivray
Academic• IN — Bill Black• SC — John Jensen
ITS Research• JPL — Bob Barrett• ITS T2 — Linda Howe
Feds• FHWA — Roger
Petzold• USGS — Steve Guptill
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Tri-states 2001-08-14 #8 N C R S T
Outline
Directions Research Projects MidWest DOT Directions
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D I R E C T I O N S
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Tri-states 2001-08-14 #10 N C R S T
How to impact Infra Management?
Information* on location and condition of infrastructure assets is critical to effective management
*data processed into information products used in decision making
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Tri-states 2001-08-14 #11 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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R E S E A R C H
P R O J E C T S
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Tri-states 2001-08-14 #13 N C R S T
DOT Priorities — 1
Accurate centerline maps consistently identified as a high priority, by photogrammetry and IT staff in DOTs
Critical resource for• ITS, EMS• Highway management: integration of
linear referenced archives with GPS
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Tri-states 2001-08-14 #14 N C R S T
Road Centerline Extraction
Find pixels that represent road … hyperspectral library
Detect linear patterns, form centerlines
Attach legacy attributes
Compare costs and benefits
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Easy Street New neighborhood Little or no foliage overhang Vehicles in garage/driveway
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Not so easy Repairs and surface coats Paint stripes Shadows Parked vehicles Foliage overhangs
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0
50
100
150
200
400 900 1400 1900 2400
Wavelength (nm)
Re
fle
cta
nc
e (
50
0=
50
%)
Lot3(Asphalt)
050100150200250300350400450500
400 900 1400 1900 2400
Wavelength (nm)
Re
fle
cta
nc
e (
50
0=
50
%)
Roof5(Vons1)
Roof6(Vons2)
0
50
100
150
200
400 900 1400 1900 2400
Wavelength (nm)
Ref
lect
ance
(50
0=50
%)
Road2(CalleReal)
Road7(Fairview)
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Tri-states 2001-08-14 #19 N C R S T
3-step hyperspectral process
MESMA Q-tree Vectorize
Additional steps: clean, revisit, conflate
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Tri-states 2001-08-14 #20 N C R S T
Original image
6-band, 28m pixels
Road map from Q-tree
filter
Desert Context — Landsat7
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Tri-states 2001-08-14 #21 N C R S T
Other centerline methods
RS is one of several components of the solution
Alternate technologies for (x,y)• GPS• Cell phone multi-path tracking• Emerging technologies in ITS ?
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Tri-states 2001-08-14 #22 N C R S T
Error and Accuracy
Acceptable accuracy: 1mm or 10m?
Rural freeways vs urban intersections
Present vs future applications
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Tri-states 2001-08-14 #23 N C R S T
GPS for Hwy Ops
Hi end
Lo end compatibility
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Tri-states 2001-08-14 #24 N C R S T
Low-end GPS units
$250 $195 $150
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Tri-states 2001-08-14 #25 N C R S T
Lane Discrimination Test
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Tri-states 2001-08-14 #26 N C R S T
Lane Discrimination Test
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Tri-states 2001-08-14 #27 N C R S T
Lane Discrimination Test
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Tri-states 2001-08-14 #28 N C R S T
Lane Discrimination Test
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Tri-states 2001-08-14 #29 N C R S T
Lane Discrimination Test
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Tri-states 2001-08-14 #30 N C R S T
The one to beat …
$150 at Staples
Convenience Price Can RS beat
this?
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Tri-states 2001-08-14 #31 N C R S T
Big Picture
Applications Scale Convert Remote GPS Photo- Enggpaper sensing grammetry plans
Mkt research 1:50K EMS 1:20K Hwy ops 1:20K Lane tolls 1:5K Plowing 1:1K ITS 2010 1:100
Global scale —Logistics
Local scale, esp urban —Asset mgmt
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Tri-states 2001-08-14 #32 N C R S T
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Tri-states 2001-08-14 #33 N C R S T
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Tri-states 2001-08-14 #34 N C R S T
Validation
Accuracy Turnaround
time Cost Client response Developers’
response?
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Tri-states 2001-08-14 #35 N C R S T © 1999 Val Noronha All rights reserved
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Tri-states 2001-08-14 #36 N C R S T
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Tri-states 2001-08-14 #37 N C R S T
Data Model unifies Centerlines
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Tri-states 2001-08-14 #38 N C R S T
DOT Priorities — 2
Program delivery is currently a high priority … require information to facilitate projects• Integrated planning — construction
costs, bridges, NIMBY, environment• Large scale mapping surveys (1:500
to 1:5000)
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Tri-states 2001-08-14 #39 N C R S T
Corridor Analysis
Alameda Corridor: rail line from port of Los Angeles and Long Beach to downtown Los Angeles
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Tri-states 2001-08-14 #40 N C R S T
Alameda Corridor Project
Corridor analysis tool
Rehabilitation of brown sites, redevelopment, facility siting
Manage growth
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Tri-states 2001-08-14 #41 N C R S T
DOT Priorities — 3
FHWA mandate: National Bridge Inventory requires bridge locations within ± 2 m
Wisconsin DOT request
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Tri-states 2001-08-14 #42 N C R S T
Current Bridge Record
Bridge_ID Address Feature_Intersected
B-22-0097 1.2M N J CT STH 11 TO E BADGER RDB-22-0098 2.0M N J CT STH 11 TO E SANDY HOOK RDB-22-0122 4.6M N J CT STH 11 TO E CTH HHHB-22-0124 5.1M N J CT STH 11 TO E CTH HB-22-0144 3.0M N J CT USH 151 TO N PLATTE RIVERB-22-0828 5.0M N J CT CTH N GRANT RIVER
... ... ...
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Tri-states 2001-08-14 #43 N C R S T
Bridge Location Solution
Overlay state DOT’s centerline on imagery of increasing resolution
BridgeView — ArcView extension Adjust location manually Update table with missing bridges
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Tri-states 2001-08-14 #45 N C R S T
DOT Priorities — 4
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Tri-states 2001-08-14 #46 N C R S T
Pavement Condition Survey
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Tri-states 2001-08-14 #47 N C R S T
Road Surface Modification
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Tri-states 2001-08-14 #48 N C R S T
DOT Priorities — 5
Access & Safety $150b/yr crash loss 40% preventable by
improving access 2-way left turn lanes Traffic control Pedestrian facilities
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Tri-states 2001-08-14 #49 N C R S T
3-D Applications
LIDAR: ± 30 cm DEMs Uses
• 3-D Airport Approach Planning: FAA priority
• Planning a new corridor: saves 30% on map-survey effort
• Wireless tower location• Hydrology• Migration of coastlines
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Tri-states 2001-08-14 #50 N C R S T
3-D Airport Approach Planning
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Tri-states 2001-08-14 #53 N C R S T
DOT Priorities — 6
1/3 of California roads are not covered by police radio
Fiber/5.9 GHz network coming
GPS dropout areas Locate towers so as
to minimize cost, maximize coverage
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Tri-states 2001-08-14 #54 N C R S T
Interfaces & Tools
Facilitate manual change detection by image flicker — red and green
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Tri-states 2001-08-14 #55 N C R S T
Interfaces & Tools
Facilitate manual change detection by splitting the viewer
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Tri-states 2001-08-14 #56 N C R S T
Synthesis Task
Synthesis Report Web page Specialist
meetings
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Tri-states 2001-08-14 #57 N C R S T
Entry points
End pointsApplication tree: e.g.
highway — centerlines
FAQ: focused questions
Core curriculum:
“tell me more about LIDAR”
Matrix of user needs
Glossary
Bibliography
Cookbooks
Blurbs
Professional Development by Web
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Tri-states 2001-08-14 #58 N C R S T
Events
CLEM2001: CenterLine Extraction and Maintenance, specialist meeting, August 6-7, Santa Barbara
TRB 2001 International workshop with Chinese
University of HongKong, 2002
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1
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M I D W E S T D O T
D I R E C T I O N S
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Tri-states 2001-08-14 #61 N C R S T
Directions
Where are we now? Where do we want to go? How to get there?
• 2001 action plan• Beyond 2001