us army corps of engineers cold regions research ......unavco tls workshop – october, 2011 us army...
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UNAVCO TLS Workshop – October, 2011
US Army Corps of Engineers Cold Regions Research & Engineering Lab
CRREL
Remote Sensing & GIS Center of Expertise US Army Corps of Engineers Cold Regions Research & Engineering Lab Hanover, NH 03755
David C. Finnegan
Research Physical Scientist
[email protected] 603.667.1868
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UNAVCO TLS Workshop – October, 2011
Background
CRREL » ~350 employees on a 20+ acre campus in Hanover, NH
Remote Sensing and GIS Center of Expertise (RS/GISC) » 30+ R&D personnel
• Hypothesis driven basic research • Applied science in the field • Tech transition to industry and government partners
My Background
» Glacial / Fluvial Geomorphologist » Specialize in quantifying geomorphic and geologic processes using remote
sensing techniques » 10+ years at CRREL » Alaska, Antarctica, Greenland and Iceland
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UNAVCO TLS Workshop – October, 2011
LiDAR Research
Approach
» Tool for quantifying essential boundary conditions necessary to answer or support basic and applied research
• Airborne, terrestrial and mobile/marine platforms
» Develop and enhance existing LiDAR sensors • Multi-sensor fusion • Additional wavelengths for specific geologic/scientific applications • Autonomous systems
» Develop tools and techniques for enhanced acquisition, analysis and dissemination
• Open-source libraries and software libLAS, LASzip, PDAL, GDAL and OGR
• Database systems for global point cloud management • Well-written specifications and standards
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UNAVCO TLS Workshop – October, 2011
CRREL – LiDAR
What we do?
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UNAVCO TLS Workshop – October, 2011
LiDAR Resources
LiDAR Systems
» 1 - Riegl Z420i » 1 - Riegl Z390i » 2 - Riegl VZ-400
• Mobile capable » 1 - Riegl VZ-1000
• Mobile capable, full-waveform output, stand alone operation » 1 - Riegl VZ-4000 1064 modification
* FLIR integrated cameras FLIR SC6000 3-5um
FLIR SC655 7-12um Autonomous Systems
» 3D scanners » Small stand-alone profilers » Time-lapse systems
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UNAVCO TLS Workshop – October, 2011
Hubbard Glacier Alaska – Autonomous Profiler
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UNAVCO TLS Workshop – October, 2011
Snow - Automated LiDAR
» Automated LiDAR System designed for long-term, repeat laser scan observations from a fixed location
» Enables repeat 3D measurements over a long-term period without user input
» The system incorporates three components: • Riegl LMS-Z390i terrestrial laser scanner • Housing and hardware package • Automation Process which runs specified scans at
programmable intervals
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UNAVCO TLS Workshop – October, 2011
Snow – Automated LiDAR
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UNAVCO TLS Workshop – October, 2011
LiDAR Thermal Integration
Thermal Image from FLIR camera Point cloud with assigned thermal values
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UNAVCO TLS Workshop – October, 2011
Thermal Infrared LiDAR
• Process: • Scan collected • Thermal images collected • Temperature values assigned to individual points in scan
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Point cloud from scan FLIR thermal images
Point cloud with assigned thermal values