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Value Added Applications for Optech Sensors

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Josh Nimetz, Merrick's LiDAR / Imaging Technical Lead gave the following presentation at the Optech Imaging and LiDAR Solutions Conference (ILSC) in Toronto, Ontario on June 26, 2013.

Josh Nimetz, Merrick's LiDAR / Imaging Technical Lead gave the following presentation at the Optech Imaging and LiDAR Solutions Conference (ILSC) in Toronto, Ontario on June 26, 2013.

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  • 1. Value-added Applications for Optech Sensors GEOSPATIAL SOLUTIONS Optech ILSC June 26, 2013 Engineering | Architecture | Design-Build | Surveying | Planning | GeoSpatial Solutions
  • 2. Presentation Overview  Summary of Merrick & Company GeoSpatial Market Sector Team  A brief background on the data - the 2011 NERC alert mandate  The Merrick suite of remote sensors optimized for data collection of electric transmission facilities  The MARS® tools designed for production and analyses of transmission facilities data  Power line detection and QA/QC tools  Power line LiDAR QC report - report on LAS statistics (by Tile)  Optimum image selection tool PRE0101 2 Copyright © 2013 Merrick & Company - All rights reserved.
  • 3. Merrick & Company Office Locations 500 employees at 12 National and 4 International offices PRE0101 3 Copyright © 2013 Merrick & Company - All rights reserved.
  • 4. GeoSpatial Solutions & Capabilities  LiDAR acquisition & processing (airborne)  High Definition Scanning (terrestrial)  Photogrammetric mapping  Imagery acquisition & processing  RGB  Multispectral  Satellite imagery  MARS® software  Application development  Programming  MARS® LiDAR processing software  Unlimited Detail Data Visualization and Management - Euclideon Geoverse  Surveying  UAS mapping Hyperspectral   Thermal  Orthophoto processing  Multi-sensor data fusion PRE0101 4 Copyright © 2013 Merrick & Company - All rights reserved.
  • 5. GeoSpatial Solutions Market Sector Team Facts Number of Professionals: 56 BU Leader  Brian Raber, CMS, GISP, GISS – Vice President Disciplines  Photogrammetry, LiDAR, Satellite Imagery, GIS Solutions, Remote  Sensing, Software Development & Sales Key Offices   Greenwood Village, CO Colorado Springs, CO   Guadalajara and Mexico City Albuquerque, NM Markets  Local Government (11%)  ($18.7 million  Federal Government (9%)  Sales – FY2013   Private (2%) ending 04/13)    Core Clients Water (4%) Energy (40%) International: (34%)   TVA, USGS, FEMA, TNRIS  Xcel, Tri‐State, WAPA, Idaho Power, PNM SEMAR, INEGI CFE, PEMEX    PRE0101 5 Copyright © 2013 Merrick & Company - All rights reserved.     Cook County, IL., Tallahassee, FL  NRCS Nebraska / Oklahoma USACE Mobile, Omaha Districts HDR,URS
  • 6. National Electric Reliability Corporation (NERC) National Electric Reliability Corporation (NERC), entity empowered by the U.S. Federal Energy Regulatory Commission (FERC). Image courtesy of Argonne National Labs PRE0101 6 Copyright © 2013 Merrick & Company - All rights reserved.
  • 7. NERC Mandate - April 2011 Electric power transmission owners survey actual field conditions to determine electric power transmission facilities (> 100 kV) are built as designed and to ensure compliance with reliability standards. Image courtesy of http://www.technet.pnnl.gov/sensors/electronics/projects/images/electronics477_large.jpg PRE0101 7 Copyright © 2013 Merrick & Company - All rights reserved.
  • 8. NERC Mandate - April 2011 Electric power transmission owners survey actual field conditions to determine electric power transmission facilities (> 100 kV) are built as designed and to ensure compliance with reliability standards. Toronto, on evening of August 14, 2003 blackout Image courtesy Wikipedia PRE0101 8 Copyright © 2013 Merrick & Company - All rights reserved.
  • 9. Why LiDAR Technology?  Repeatable, accurate, and dependable technology  Cost effective for system/large circuits  Technology very good at collecting and measuring transmission features: structures, insulators, attachment points, vegetation, and ground PRE0101 9 Copyright © 2013 Merrick & Company - All rights reserved.
  • 10.  Typical LiDAR densities for electric power line collection range from 20-30+ points per square meter  In general, the more density the better for feature collection, definition, and extraction PRE0101 10 Copyright © 2013 Merrick & Company - All rights reserved.
  • 11. Merrick’s Helicopter Suite of Sensors  2010 - Merrick integrates a suite of sensors onboard a helicopter platform  Designed to fulfill the aerial mapping needs of our electric transmission clients PRE0101 11 Copyright © 2013 Merrick & Company - All rights reserved.
  • 12. Merrick’s Helicopter Suite of Sensors A TAC 60 MP nadir camera (for visible color orthos) (2) CS-4800 interline CCD cameras, forward oblique Orion C200 LiDAR system CS-MS1920 false color infrared interline transfer CCD (810, 550, 670 nm) PRE0101 12 Copyright © 2013 Merrick & Company - All rights reserved.
  • 13. Merrick’s Helicopter Suite of Sensors AIMMS 20 meteorological sensor PRE0101 13 Copyright © 2013 Merrick & Company - All rights reserved. Cloud Cap gimbaled video camera
  • 14. Merrick’s Helicopter Suite of Sensors PRE0101 14 Copyright © 2013 Merrick & Company - All rights reserved.
  • 15. Merrick’s Advanced Remote Sensing (MARS®) software Data visualization, management & processing application  Developed specifically for LiDAR data in 2002  Merrick’s Production Engine for processing LiDAR data  MARS® license and technical support included with project PRE0101 15 Copyright © 2013 Merrick & Company - All rights reserved.
  • 16. Merrick’s Advanced Remote Sensing Software (MARS®) Application Highlights  Stand-alone software application, no third party software required  No file size limitation  Rapid response to customized programming needs  Allows multi-core data processing to maximize performance of PC hardware  Provides support for WMS imagery (ex. Bing Maps)  Visualize & process airborne, terrestrial & mobile LiDAR datasets  Natively supports LiDAR (LAS v1.1 – v1.4, imagery (RGB & hyperspectral, thermal) and GIS vector datasets – Data Fusion  Robust QC Module for USGS specifications PRE0101 16 Copyright © 2013 Merrick & Company - All rights reserved.
  • 17. Merrick MARS® software for electric transmission facilities data post-processing.  Power line detection and QA/QC tools  Power line LiDAR QC report - report on LAS statistics (by Tile)  Optimum image selection tool PRE0101 17 Copyright © 2013 Merrick & Company - All rights reserved.
  • 18. MARS® Power Line Tool For the point cloud classification of transmission facilities and QA / QC of classification results. PRE0101 18 Copyright © 2013 Merrick & Company - All rights reserved.
  • 19. MARS® Power Line Tool For the point cloud classification of transmission facilities and QA / QC of classification results. Workflow  Begin with centerline file and bare earth points to seed the process  Test filter settings in localized area. Once optimized…  Line / facilities detection filter over larger region  QA / QC windows are launched for manual clean-up  Attachment points are classified PRE0101 19 Copyright © 2013 Merrick & Company - All rights reserved.
  • 20. MARS® Power Line Tool For the point cloud classification of transmission facilities and QA / QC of classification results. PRE0101 20 Copyright © 2013 Merrick & Company - All rights reserved.
  • 21. MARS® Power Line Tool QA / QC Viewer Primary MARS® data window Copyright © 2013 Merrick & Company - All rights reserved. QA / QC tower front view QA / QC tower nadir view PRE0101 21 QA / QC tower side view QA / QC structure to structure span view
  • 22. MARS® Power Line Tool QA / QC Viewer  Each window is dynamic  Points can be filtered and view extents, scale and rotation can be changed PRE0101 22 Copyright © 2013 Merrick & Company - All rights reserved.
  • 23. MARS® Power Line QC report - Report on LAS Statistics (by Tile) PRE0101 23 Copyright © 2013 Merrick & Company - All rights reserved.
  • 24. MARS® Power Line QC report - Report on LAS Statistics (by Tile) Black line items: Points exist on a required class. We expect to have points on this class. Teal line items: Points do not exist on a required class. This flags a potential issue. Classification of the transmission facilities is incomplete. Red line items: Points exist on a non-required class. Another potential issue. This may be okay for outlier or erroneous points. PRE0101 24 Copyright © 2013 Merrick & Company - All rights reserved.
  • 25. MARS® Optimum Image Selection Tool PRE0101 25 Copyright © 2013 Merrick & Company - All rights reserved.
  • 26. MARS® Optimum Image Selection Tool  Begin with a calibrated camera model  Create an exterior orientation file with position and attitude for each image exposure station  Project the image footprint on to a surface  Surface must be in same coordinate system / units as LiDAR bare earth In Optimum Image Selection Tool  Image with shortest slant-range to given horizontal coordinate (E, N) is selected  Image ID is either written to point shapefile attribute table or called up in viewer window PRE0101 26 Copyright © 2013 Merrick & Company - All rights reserved.
  • 27. MARS® Optimum Image Selection Tool PRE0101 27 Copyright © 2013 Merrick & Company - All rights reserved.
  • 28. MARS® Optimum Image Selection Tool Calibrated exterior orientation file for aft oblique camera. PRE0101 28 Copyright © 2013 Merrick & Company - All rights reserved.
  • 29. MARS® Optimum Image Selection Tool PRE0101 29 Copyright © 2013 Merrick & Company - All rights reserved.
  • 30. MARS® Optimum Image Selection Tool Projected aft oblique image footprints in OrthoMaster. PRE0101 30 Copyright © 2013 Merrick & Company - All rights reserved.
  • 31. MARS® Optimum Image Selection Tool Projected aft oblique image footprints cleaned up for export. Note the images captured during the turn have been omitted PRE0101 31 Copyright © 2013 Merrick & Company - All rights reserved.
  • 32. MARS® Optimum Image Selection Tool An image footprint file PRE0101 32 Copyright © 2013 Merrick & Company - All rights reserved.
  • 33. MARS® Optimum Image Selection Tool PRE0101 33 Copyright © 2013 Merrick & Company - All rights reserved.
  • 34. MARS® Optimum Image Selection Tool  An output transmission tower shapefile attributed with the optimum oblique image pair  The optimum oblique image captures the structure with the highest resolution possible (i.e. nearest to the heel of the oblique) PRE0101 34 Copyright © 2013 Merrick & Company - All rights reserved.
  • 35. PRE0101 35 Copyright © 2013 Merrick & Company - All rights reserved.
  • 36. PRE0101 36 Copyright © 2013 Merrick & Company - All rights reserved.
  • 37. PRE0101 37 Copyright © 2013 Merrick & Company - All rights reserved.
  • 38. Thank you….any questions? Josh Nimetz, CMS Merrick & Company 303-353-3650 josh.nimetz@merrick.com For MARS® sales and technical support, contact: Mark Stucky, GISP Merrick & Company 303-353-3662 mark.stucky@merrick.com www.merrick.com PRE0101 38 Copyright © 2013 Merrick & Company - All rights reserved.