2008 ASPRS LIDAR PANEL Innovative Image Processing Solutions

2008 ASPRS LIDAR PANEL Innovative Image Processing Solutions from OVERWATCH Geo. Ops April, 2008

Overwatch Geospatial Operations - Heritage OVERWATCH Geospatial Operations

Industry Leading COTS Products Image Processing, Exploitation, and Analysis Image Exploitation and Analysis Remote. View Extraction of 3 D features from LIDAR data ELT 5500/3500 Advanced 3 D Exploitation and Analysis LIDAR Analyst OVERWATCH Geospatial Operations Urban Analyst Extraction of 2 D/3 D features from Raster Feature Analyst Geospatial Decision Support Platform Inter. SCOPE

0 verwatch Geospatial Solutions OVERWATCH Geospatial Operations

Geospatial Analyst Suite™ OVERWATCH Geospatial Operations

LIDAR Analyst Key Features • Ability to work with Point Clouds, ASCII, Shapefiles, and DEM Raster Data. • Ability to covert ASCII/ Text and Shapefiles to. LAS format • Ability to quickly generate and modify DEM’s (bare-earth) • Process data in a variety of map units • Ability to collect buildings, trees and forest • Classify LAS data • Generate variety of analysis layers • Extract multi-component and complex building features • Advanced building edit tools OVERWATCH Geospatial Operations

PROJECT WORKFLOW 1. Review Data 2. Convert LAS to DEM 3. Extract Bare-Earth 4. Refine Bare-Earth 5. Extract Buildings 6. Refine Buildings 7. Extract Vegetation 8. Generate Contours 9. Classify Point Cloud 10. Visualize in 3 D 11. Analyze and output to other data formats OVERWATCH Geospatial Operations

Bare Earth Modifications 1. Bare earth extraction anomaly. 2. Addition of bare earth points. OVERWATCH Geospatial Operations 3. Last Return LIDAR shows building 4. Modified bare earth

Know Your Resolution Low Resolution – 3 foot OVERWATCH Geospatial Operations

Know Your Resolution OVERWATCH Geospatial Operations

Know Your Resolution High Resolution – ½ foot OVERWATCH Geospatial Operations

LIDAR Analyst® cont. Accuracy* • • Bare – earth: – RMSE as low as 0. 12 meters under leaf off conditions Buildings: – An overall accuracy as high as 97. 4 percent Speed* • • • Bare – earth: – Average processing speed of 86 seconds per km 2 Buildings: – 11, 000 buildings in 9 minutes over an Urban High Density Area of 33 sq km (Los Angles East) Trees: – 100, 000 trees were extracted from a Forested Semi. Rural Area in 6 minutes over a 50 sq km extent (Stafford, CT ) * Done with the U. S Army’s Engineering and Research Development Center (ERDC) Topographic Engineering Center (TEC) * Ground control data provided by ERDC-TEC OVERWATCH Geospatial Operations

3 D Rooftop Modeling • Major improvements to automated 3 D building extraction algorithm • Enhanced the automated collection of complex 3 D rooflines • Improved building square-up algorithm OVERWATCH Geospatial Operations

Advanced 3 D Editing Tools Auto-split Buildings Courtyard Tool OVERWATCH Geospatial Operations

Extraction of trees OVERWATCH Geospatial Operations

Contour Extraction • Automatically extract contour lines at user specified intervals from a bare earth layer • Output is 3 D polyline shape file OVERWATCH Geospatial Operations

Overwatch Solutions Are Client Tested Overwatch software resides on over 30, 000+ workstations world wide. Sample of Government Clients: • NGA Sample of Commercial Clients: • OSM • Adams, Rehmann, Heggan, & Associates Inc. • All US Armed Forces Branches • Aramco Services Co • NOAA • Digital Globe • USGS • Bechtel • Federal • US Forest Service • Geo. Syntec Consultants • State • Dept. of Homeland Security • Greenhorne and O'Mara • Local • BLM • Lockheed Martin • University • Nat’l Parks Service • Nav. Tech • Non-profits. • Environment Canada • Raytheon • Parks Canada • Sanborn OVERWATCH Geospatial Operations

Overwatch Geospatial Solutions QUESTIONS? OVERWATCH Geospatial Operations

Contact Overwatch for more info For more information please contact: Rebecca Holman rholman@vls-inc. com 406 -829 -1384 x 225 Overwatch Geospatial – Montana Operations P. O. Box 5012 Missoula, MT 59806 Free trial software is available at www. Feature. Analyst. com OVERWATCH Geospatial Operations