The Application of Mobile Mapping Technology and AVI · PDF fileThe Application of Mobile...

The Application of Mobile Mapping Technology The Application of Mobile Mapping Technology and AVI Video Log Assets For Government Data and AVI Video Log Assets For Government Data

Collection ProjectsCollection Projects

GIS-T Conference

March 2008

Patrick Melancon

Custom Project Manger

Tele Atlas North America

Agenda

Mobile Mapping Van TechnologyVertical Events (Road Furniture) – collection -classificationAVI Video LogLRSLouisiana, Connecticut, Ohio Examples

Industry Users of Accurate Data Across Range of Markets

PNAVInternetMapping

ConsumerWireless

Enterprise/Public SectorAutomotive

Government Customers:

Public Sector Licenses with 42 of 50 states, over 40 Federal Agencies…

New York, Connecticut and Pennsylvania, etc., using data in an enterprise environment

Typical agency customers:Public Safety/Law EnforcementDOTHomeland SecurityHealth/Human Services

Tele Atlas MMV(Mobile Mapping Van)

Driven By IntelligenceMobile Mapping Technology In North America

Supplemented by Mapping VansUse GPS receivers, on-board computers, and digital cameras to record imagesTravel more than twice as fast as cars

Mobile Mapping Vans

Our Drive AdvantageMobile Mapping Vans

Faster data collection

Superior accuracy

Advanced image library

Driven By IntelligenceHow Tele Atlas Drives

Tele Atlas has driven

18.6 million miles

in North America since 2001

Mobile MappingField Compilation

In 2006 Mobile Mapping efforts concluded survey on all limited-access highways, ramps, interchanges in the U.S. and Canada, totaling more than 190,000 miles.

In 2007 the focus was on completing the remainder of the national highway network (U.S. Highways & provincial highways) in the U.S. and Canada -- more than 165,000 of 385,000 miles completed.

MMV Technology

The science behind the MMV

Mobile Mapping Systems

Utilizes a van equipped with multiple cameras, a sophisticated positioning system and special image capturing software.

It is manned by a two person team - a driver and an operator.Sony firewire progressive scan cameras

with 1024-768 resolution and image frame acquisition time is up to 3 images per second

Mobile Mapping – Technical Specs (1/2)

Positional Units

5Hz differential GPS unit

100Hz single axis gyro

Odometer

Accuracy

Absolute Accuracy: 2m 2sigma

Relative Accuracy: < 1m

Single frame relative distance measurement accuracy: 10 cm

Multi frame relative distance measurement accuracy: 50 cm

Images

3 frames per second

Color (RGB - 24 bit)

Resolution: 1280 × 960 (96 dpi)

Format: JPEG 2000

Quality Compression – 80% - Hardware Matrox Card

Stored in a proprietary format

Ladybug Image data

Data Size (Laser and Ladybug data not included)

An average of 1.88 GB per session (30 minutes of data)

30 GB per day (8 hours) per van

Mobile Mapping – Technical Specs (2/2)

A growing fleet of Mobile Mapping-equipped vans are active in the collection of imagery and high-quality positional information.

The resulting data is used in both manual and automatic processing for the population of signboards, lanes, speed limits, elevations, tolls, route names, etc.

Mobile Mapping technology includes:

Stereoscopic cameras to allow for three-dimensional measurementsOmniStar Differential GPSInertial GPS System for gathering data in tunnels and urban canyonsLaser Scanners allow for 3D reconfiguration of the structures that are passedLadybug Cameras provide 360-degree image-gathering

OASIS Editing Environment

Session Progress Map

TA MapperViewing of the Corresponding Location

(van representation) in TA Mapper Editing Environment

OASISViewing of Mobile Mapping

Imagery and GPS Track

What is Done With All These Images?

Vertical Events

AVI Video Log

LBRS content (centerlines, field verified addresses, etc.)

Building Façades

Vertical Events – Road Furniture

Collection to Classification

Vertical Events

Street signsNavigation signsFire hydrantsEdge of pavementGuard railsAll electronic signal devicesRailroad crossingsCatch basinsIf you can see it – It can be captured

(Click on Picture)

X,Y data for:

Road Asset Shapefiles

Build and Deliver Road Asset Shapefile Layers, Road Asset Images and AVI Video LogThe scope of road asset collection includes capture of the x, y, z location of all visible features included in the specified classes, along with applicable attribute information listed. Each class of asset will be provided as an individual Shapefile dataset.Examples – fire hydrants, signs, edge of road, traffic lights, guard rails, etc.

<DigitalDocument> <dddid>4244502</dddid> <sourceid>10728666</sourceid> <resourcetype>6</resourcetype> <filetype>JPG</filetype> <parentDBId>SIENNA7_20060717_145906_0_SET1RIGHT</parentDBId> <originalfilename>Sienna7_2006_07_17__14_59_06__Set1Right__00000.jpg</originalfilename> <binarysize>213861</binarysize> <HAIPFrameInfo> <CarName>Sienna7</CarName> <SessionStartDate>20060717</SessionStartDate> <SessionStartTime>145906</SessionStartTime> <FrameNumber>0</FrameNumber> <CarAltitude>39</CarAltitude> <CarHeading>162</CarHeading> <CameraHeading>162</CameraHeading> <Events> <Event> <Type>Signboard</Type> <Subtype>Normal</Subtype> </Event> </Events> <CarLocation> <X>-73834970</X> <Y>40926530</Y> </CarLocation> </HAIPFrameInfo> <GEOMETRY> <GEOTYPE>POINT</GEOTYPE> <COORDS> <COORD>-73.834970,40.926530,0.000000</COORD> </COORDS> </GEOMETRY> </DigitalDocument>

Road Asset Images

Individual geo-referenced image frames

AVI Video Log

Running-video image, in .avi format, converted from the right-hand 90-degree-angle frames*

AVI can be from different camera or angle but 90 degree facing structures is most common

Short Example

Montgomery County OH (3750 miles)

Road AssetsFire hydrants, signs, edge of pavement, guard rails, all electronic signal devices, railroad crossing, catch basins…

Shapefile layer of road assetsAll JPG images (13.5T)AVI video from right side camera (facing structures) (500G)

Location Based Response System

Two primary outputs:Birds Eye Mosaics(BEMs) are produced that render the vertical images into a horizontal imagery layer.Vertical Event Framesare used as resources/references for editing purposes.

3d Bread Crumbs

Each point contains x,y,z data Can calculate slopeCan calculate actual distance

Address Verification

The camera captures the house with featuresThe GPS on the van captures the locationUtilizing both of these an address point can be placed where desired (front door, driveway, etc)

LRS – Road Inventory

Road inventory system that contains actual mileage

Mobile Mapping For LBRS

100% DriveAll roadsBoth directions of travelPosted speed limit

MMV CaptureStreet CenterlinesGPS-PointsAddress-PointsSix Camera Video

Building Façades

The visual of the future

Angled Cameras

Laser Click picture

LadyBug Camera

Click Picture

The software supporting Mobile Mapping efforts include CarMapSystem—an equipment-monitoring program—and the Data Acquisition Management Program (DAMP) Day—that tracks van progress

against the scope of work.

Our Global Quality Process

1. Inspection & Evaluation

2. Automated Control Procedures, Navigation and Network Checks

4. Partner Quality Check

5. Customized Content Check

6. Final ReleaseReview

3. Independent Verification

Data and Driver Sources

Fresher, Richer,More AccurateData Set

7. Continuous Improvement

Mobile Mapping Derivatives

Image Raw Data (JPEG 2000)

Reduced Resolution Image Sequence (JPEG 2000)

Movie (MPEG4)

Image Sequence of Interest (JPEG2000)

Image of Interest (JPEG2000)

Image Area of Interest (JPEG2000)

Reality Database (via internal filters)

Conflation

Production Process

Object D

etection

Change D

etection

Database Integration

Manual R

efinement (R

ework)

Feature & A

ttribute Extraction

Critical Applications for Government

GIS Needs in State Government

CIO-Supported Users

- Health- Social Services- Environment- Elections Board- Revenue &

Taxation- Public Transit- County/Local

Government Agencies

A single collaborative structureis needed

CommonPlanning

Homeland Security and Emergency

Management

Homeland Security and Emergency

Management

Road Infrastructure Management

Road Infrastructure Management CIO

GIODOT

Public Safety

FLOODED ROADWAYSIN THE NEW ORLEANSMETROPOLITAN AREA,JEFFERSON, ORLEANS,

PLAQUEMINES, AND ST. BERNARD PARISHES,

LOUISIANASTATE ROADWAYS ELIGIBLEFOR FHWA OR FEMA FUNDING

URBAN AREA

F E M A ROADWAY, NOT FLOODED

F E M A ROADWAY, FLOODEDF H W A ROADWAY, NOT FLOODED

F H W A ROADWAY, FLOODED

Existing Water

Flood Water (as of 02 September 2005)

LAKE PONTCHARTRAIN

MISSISSIPPI RIVER

NOTE: FLOODED AREA DATA PROVIDED BY FEMA

www.teleatlas.com

Patrick Melancon, Custom Project Manager patrick.melancon@teleatlas.com

The Application of Mobile Mapping Technology and AVI · PDF fileThe Application of Mobile...

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