Val Noronha University of California, Santa Barbara NCRST — Infrastructure Management

Val NoronhaUniversity of California, Santa Barbara

NCRST — InfrastructureManagement

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


Guiding Principles

Rapid evolution of basic research to deployment

Universities feed private sector: Technology Application Partners

Universities engage in consultation and outreach


Four NCRSTs

Environment — Mississippi Infrastructure — California Flow — Ohio Hazards — New Mexico


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


Technology Application Partners

OrbImage — Terry Lehman ASL TetraTech — Bill Lyte


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


Outline

Directions Research Projects MidWest DOT Directions

D I R E C T I O N S


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


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

R E S E A R C H

P R O J E C T S


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


Road Centerline Extraction

Find pixels that represent road … hyperspectral library

Detect linear patterns, form centerlines

Attach legacy attributes

Compare costs and benefits

Easy Street New neighborhood Little or no foliage overhang Vehicles in garage/driveway

Not so easy Repairs and surface coats Paint stripes Shadows Parked vehicles Foliage overhangs

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)


3-step hyperspectral process

MESMA Q-tree Vectorize

Additional steps: clean, revisit, conflate


Original image

6-band, 28m pixels

Road map from Q-tree

filter

Desert Context — Landsat7


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 ?


Error and Accuracy

Acceptable accuracy: 1mm or 10m?

Rural freeways vs urban intersections

Present vs future applications


GPS for Hwy Ops

Hi end

Lo end compatibility


Low-end GPS units

$250 $195 $150


Lane Discrimination Test










The one to beat …

$150 at Staples

Convenience Price Can RS beat

this?


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




Validation

Accuracy Turnaround

time Cost Client response Developers’

response?

Tri-states 2001-08-14 #35 N C R S T © 1999 Val Noronha All rights reserved



Data Model unifies Centerlines



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)


Corridor Analysis

Alameda Corridor: rail line from port of Los Angeles and Long Beach to downtown Los Angeles


Alameda Corridor Project

Corridor analysis tool

Rehabilitation of brown sites, redevelopment, facility siting

Manage growth



FHWA mandate: National Bridge Inventory requires bridge locations within ± 2 m

Wisconsin DOT request


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

... ... ...


Bridge Location Solution

Overlay state DOT’s centerline on imagery of increasing resolution

BridgeView — ArcView extension Adjust location manually Update table with missing bridges




Pavement Condition Survey


Road Surface Modification



Access & Safety $150b/yr crash loss 40% preventable by

improving access 2-way left turn lanes Traffic control Pedestrian facilities


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


3-D Airport Approach Planning



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


Interfaces & Tools

Facilitate manual change detection by image flicker — red and green


Interfaces & Tools

Facilitate manual change detection by splitting the viewer


Synthesis Task

Synthesis Report Web page Specialist

meetings


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


Events

CLEM2001: CenterLine Extraction and Maintenance, specialist meeting, August 6-7, Santa Barbara

TRB 2001 International workshop with Chinese

University of HongKong, 2002

1

M I D W E S T D O T

D I R E C T I O N S


Directions

Where are we now? Where do we want to go? How to get there?

• 2001 action plan• Beyond 2001

Documents

Val Noronha University of California, Santa Barbara NCRST — Infrastructure Management