Geospecific 3D Stereo Imagery For Rapid Low Cost GIS … · Geospecific 3D Stereo Imagery For Rapid Low Cost GIS Data Collection ... Data Extraction from Satellite Imagery Stereo

SimWright Inc.

GIS-T 2003 COLORADO SPRINGS

Geospecific 3D Stereo Imagery

For

Rapid Low Cost GIS Data Collection

SimWright Inc.

SimWright Inc.

Presentation Agenda

Digital 3D Stereo Imagery DatasetsApplications

Potential Future UsesQuestions

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Digital 3D Stereo Imagery Datasets

Derived from standard aerial stereo pairsEvery pixel in the image is accurately georegisteredBased on algorithms designed for smart bomb targetingTypical accuracies in x,y, and z

1200 ft. imagery +/- 3cm x,y, and z2000 ft. imagery +/- 8cm x,y, and z

SimWright Inc.

Current Applications

Roadway Characteristics/Asset Data Collection with FDOTSurvey Data Point Collection with FDOT2D/3D Shapefile Extraction and Digital Elevation Data Extraction with Okaloosa County, FloridaVisual Database Modeling/FDOTData Extraction from Satellite Imagery for Visual Modeling

SimWright Inc.

Anaglyph Stereo Image of Destin Florida3.4” Pixel Resolution

SimWright Inc.

Roadway Characteristics/Asset Data Collection

Datasets created for approximately 2000 miles of FDOT District 3 Currently in daily use by FDOT to extract

and view roadway characteristics dataUses have expanded to include design,

maintenance, and traffic operations

SimWright Inc.

FDOT RCI Data Extraction

SimWright Inc.

Survey Data Extraction

Pilot project in FDOT District 3 Demonstrated capability of extracting

survey points accurate to +/- 3cm x,y,zProviding approximately 90% of data

points required for roadway designProvides standard output formats

compatible with CAiCE™ and Geopak™

SimWright Inc.

SR393 Roadway Design Project

SimWright Inc.

2D/3D Shapefile Extraction and Digital Elevation Data Extraction

Used in Okaloosa County Florida for NPDES Phase II Stormwater data collection and floodplain analysisData extracted in standard shapefile formatsElevation data derived using edge detection

algorithms developed for DODProvides for vector data visualization in stereo

Overlay allows for visual data QA/QCAlso used for FAA Part 77 obstruction

clearance assessment

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Okaloosa County Stormwater Project

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Visual Database Modeling

Creation of visual models in OpenFlight™format for real-time interactive simulationAbility to extract polygonal models and

phototextureNumerous tools available to create

visualizations for planning, public involvement, project development, etc.Numerous agencies are specifying use of

visualization for projects

SimWright Inc.

OpenFlight™ FDOT District 3 Headquarters

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Data Extraction from Satellite Imagery

Stereo datasets can be extracted from commercial satellite imageryFeature extraction can be performed

subject to imagery resolutionRecent effort involved use of 1 meter

referenced stereo Ikonos productUsed by Evans and Sutherland to create

visual models for ABC news

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Ikonos Imagery and Extracted Model

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Other Potential Applications

FHWA has funded research for development of automated permit management systemFAA prototype tool for FAA obstruction clearanceFDEP interested for coastal mapping to assess dune displacementMulti-Modal Data Acquisition – Bike-Ped-RailConflation Tools

SimWright Inc.

Questions

Contact Data:FDOT - Ted Jones, PE, FDOT District 3 Planning, [email protected] Consulting - John E. Matthews, PLS [email protected] Inc. - Lonnie Hearne [email protected]