Fast Access to More Detail, Better Insight & Accurate Analysis Using High Resolution Satellite Imagery
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Presentation by Simon Casey from European Space Imaging.
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Fast Access to More Detail, Better Insight & Accurate Analysis Using High Resolution Satellite Imagery
- 1. Fast Access to More Detail, Better Insight & Accurate Analysis …using High Resolution Satellite Imagery Simon Casey ESRI European User Conference. Sales Manager Imagery Track. European Space Imaging 27th October 2011. Proprietary and Confidential
- 2. 11/4/2011 2
- 3. 11/4/2011 3
- 4. Background Experience Established in October 2002 in Munich In March 2003 EUSI started operating the German Regional Operations Center (GEROC) for IKONOS Since April 2010 EUSI is operating the European Direct Access Facility (EDAF) for WorldView-2 Both facilities are at the German Aerospace Center (DLR) near Munich have local tasking, data reception, and processing 11/4/2011 Proprietary and Confidential 4
- 5. Network • WorldView Global Alliance with DigitalGlobe – The world’s largest commercial remote sensing company, delivering the highest- quality, most accurate satellite imagery – Owns and operates three earth imaging satellites: Quickbird, WorldView-1 and WorldView-2 – WorldView-3 under construction – scheduled for launch in 2014 • Technology partner of DLR (German Aerospace Center) – Joint operation of EUSI‘s WorldView DAF – Project support • 47 Resellers in 33 Countries • Alliance covering 63 countries in Europe, North Africa and CIS • Prime VHR data supplier to Europe – Framework agreements with European Commission and EU/UN organizations – National MoDs
- 6. The DigitalGlobe Constellation QuickBird (2001) Pan + 4 MS 0.67m nadir GSD 496 km altitude Reaction wheels WorldView-1 (2007) Pan only 0.5m nadir GSD 496 km altitude Control Moment Gyros WorldView-2 (2009) Pan + 8 MS 0.46m nadir GSD 770 km altitude Control Moment Gyros All imagery is resampled to .50 and 2.0 to comply with U.S. Regulation.
- 7. Global Satellite Orbits • 16 Orbits • Split into Satellite Access Windows (SAW) • EUSI: 1-3 SAW per day © JPL, NASA 11/4/2011 7
- 8. What is Local Tasking? 8
- 9. European Local Tasking 11/4/2011 Proprietary and Confidential 9
- 10. What does the EDAF do? 11/4/2011 Proprietary and Confidential 10
- 11. EUSI's WorldView-2 Communication Cone WorldView-2 comm cone 770 km orbit 11/4/2011 Proprietary and Confidential 11
- 12. EUSI's WorldView-2 Imaging Cone WorldView-2 imaging cone 35° 55° 11/4/2011 Proprietary and Confidential 12
- 13. WorldView-2 • Very high resolution •46 cm* panchromatic at nadir • The most spectral diversity commercially available •1.84 m* resolution at nadir •4 standard colors: blue, green, red, near-IR1 •4 new colors: coastal, yellow, red edge, and near-IR2 • Highly accurate geo-location accuracy • Typically ~5m (depending on terrain) • High capacity over a broad range of collection types •16.4 km width imaging swath (wider than any competitor) •Bi-directional scanning •Rapid retargeting using Control Moment Gyros (>2x faster than any competitor) •2199 gigabits on-board storage •Frequent revisits at high resolution enabled by higher altitude •1.1 days at 1 m GSD or less •3.7 days at 20°off-nadir or less (52 cm GSD) * Distribution and use of imagery at better than .50 m GSD pan and 2.0 m GSD multispectral is subject to prior approval by the U.S. Government. 11/4/2011 Proprietary and Confidential 13
- 14. Advantages of Local Tasking 1. Feedback during imaging planning last minute information incorporated into collection plan 2. Real-time weather information used up to minutes prior to pass 3. Very detailed imaging planning possible up to 4 hrs spent per pass to optimize collection plan 11/4/2011 Proprietary and Confidential 14
- 15. WV2 ground track sites to collect sites to collect 15 11/4/2011
- 16. 3 hrs prior to pass Automatically scheduled images 11/4/2011 16
- 17. 3 hrs prior to pass Automatically scheduled images 11/4/2011 17
- 18. 2½ hrs prior to pass ground fog! Dissolving ground fog cloud front! cloud free 11/4/2011 18
- 19. 2½ hrs prior to pass ground fog! Dissolving move strip ground fog cloud front! move strip cloud free 11/4/2011 19
- 20. 2 hrs prior to pass clouds emerge! 11/4/2011 20
- 21. 1½ hrs prior to pass give up strips still cloud free clouds emerge! cloud free 11/4/2011 21
- 22. 1 hr prior to pass cloud free cloud free cloud free 11/4/2011 22
- 23. 1 hr prior to pass start imaging here cloud free schedule? 11/4/2011 23
- 24. ½ hr prior to pass Manually scheduled scheduled images cloud free scheduled cloud free scheduled cloud free scheduled cloud free 11/4/2011 24
- 25. ½ hr prior to pass cloudy! Automatically scheduled cloudy! images All images cloudy! cloudy! cloudy! 11/4/2011 25
- 26. ½ hr prior to pass Manually scheduled scheduled images cloud free All images cloud free! scheduled cloud free scheduled cloud free scheduled cloud free 11/4/2011 26
- 27. 2. Effect of Real-Time Weather Average collection results over Europe using different levels of weather information: • No weather forecast 30 % good 70 % bad images • Weather forecast files 50 % good 50 % bad images • Real-time weather 80 % good 20 % bad images 11/4/2011 Proprietary and Confidential 27
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- 29. UPDATES ON THE DIGITALGLOBE CONSTELLATION 11/4/2011 29
- 30. DG Constellation Schedule QuickBird WorldView-1 WorldView-2 WorldView-3 18 Oct 2001 18 Sep 2007 8 Oct 2009 mid-2014 DigitalGlobe Proprietary Information
- 31. Our Constellation At A Glance Parameter QuickBird WorldView-1 WorldView-2 WorldView-3 Operational Altitude 450 km 496 km 770 km 620 km Spectral Bands Pan + 4 MS Pan Pan + 8 MS Pan Resolution (nadir) 0.61 m 0.5 m 0.46 m 0.31 m Swath Width (nadir) 16.5 km 17.6 km 16.4 km 15.8 km Image Scanning Forward only Forward or Reverse Retargeting Agility Reaction Wheels Control Moment Gyros 37 41 Data Recorder 128 Gbits (2 bits) 2 Tbits (2 bits) Downlink Rate (Mbps) 320 800 800 / 1200 Direct Tasking (DAP) No Yes Full
- 32. Advanced Elevation Series Dunedin, NZ | DSM
- 33. Advanced Elevation Series • Both a DSM & DTM available DSM - Digital Surface Model DTM - Digital Terrain Model Includes vegetation and buildings Bare earth
- 34. Advanced Elevation Series Product Options – DSM or DTM Mapping Level Precision Level Very High Precision 8M Resolution 4M Resolution 2M Resolution 8M Absolute Accuracy 4M Absolute Accuracy 2M Absolute Accuracy 4M Relative Accuracy 2M Relative Accuracy 1M Relative Accuracy
- 35. Largest Commercial ImageLibrary + 1 billion square kilometers – grows 1.5 million square kilometers each day •24 Million •43 Million •43 Million •45 Million •57 Million •87 Million •267 Million •241 Million •500 Million km² km² km² km² km² km² km² km² km²
- 36. Value of WV-2 Bands coastal applications, water penetration, deep water masks Coastal materials differentiation, shadow-tree-water differentiation coastal applications, water body penetration, discrimination of Blue soil/vegetation, forest types, reef cover features Green crop types, sea grass and reefs, bathymetry leaf coloration, plant stress, CO2 concentration, algal blooms, sea Yellow grass and reefs, separability of iron formations, “true color” chlorophyll absorption, vegetation analysis, plant species and Red stress vegetation health, stress, type and age, sea grass and reefs Red Edge land/no land, impervious from vegetated, turbidity, camouflage biomass surveys, plant stress NIR1 delineation of water bodies, soil moisture discrimination biomass surveys, plant stress NIR2 materials differentiation
- 37. WorldView-2 true color image Sochi, Russia Feb 20, 2010
- 38. + water WorldView-2 land covers Sochi, Russia Feb 20, 2010
- 39. + conifers shaded and non-shaded! WorldView-2 land covers Sochi, Russia Feb 20, 2010
- 40. + deciduous trees WorldView-2 land covers Sochi, Russia Feb 20, 2010
- 41. + grass WorldView-2 land covers Sochi, Russia Feb 20, 2010
- 42. + soil WorldView-2 land covers Sochi, Russia Feb 20, 2010
- 43. + man-made WorldView-2 land covers Sochi, Russia Feb 20, 2010
- 44. + bathymetry WorldView-2 land covers Sochi, Russia Feb 20, 2010
- 45. DigitalGlobe’s Constellation Coverage March 12, 2011 On March 12, 2011, DigitalGlobe’s satellite imagery constellation collected more than 43,000 square kilometers of high-resolution imagery along Japan’s devastated northeastern coast. = WorldView-2 Coverage = WorldView-1 Coverage = QuickBird Coverage
- 46. Turkey: Van Earthquake: 23rd October 2011 11/4/2011 46
- 47. Faster Synoptic Collects WorldView-2 is the fastest for synoptic collects of targets and large areas while providing 8 spectral bands Note: Information based on WV-1 collects and all collections < 45 degrees off-nadir 11/4/2011 47
- 48. Faster Synoptic Collects DigitalGlobe Proprietary
- 49. Faster Synoptic Collects DigitalGlobe Proprietary
- 50. Faster Synoptic Collects DigitalGlobe Proprietary
- 51. Faster Synoptic Collects DigitalGlobe Proprietary
- 52. Faster Synoptic Collects DigitalGlobe Proprietary
- 53. Faster Synoptic Collects DigitalGlobe Proprietary
- 54. Faster Synoptic Collects DigitalGlobe Proprietary
- 55. Faster Synoptic Collects DigitalGlobe Proprietary
- 56. Faster Synoptic Collects DigitalGlobe Proprietary
- 57. Faster Synoptic Collects DigitalGlobe Proprietary
- 58. Faster Synoptic Collects DigitalGlobe Proprietary
- 59. Faster Synoptic Collects DigitalGlobe Proprietary
- 60. Faster Synoptic Collects DigitalGlobe Proprietary
- 61. Faster Synoptic Collects DigitalGlobe Proprietary
- 62. Faster Synoptic Collects DigitalGlobe Proprietary
- 63. Faster Synoptic Collects DigitalGlobe Proprietary
- 64. Faster Synoptic Collects DigitalGlobe Proprietary
- 65. Faster Synoptic Collects DigitalGlobe Proprietary
- 66. Faster Synoptic Collects DigitalGlobe Proprietary
- 67. Faster Synoptic Collects DigitalGlobe Proprietary
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- 69. Faster Synoptic Collects DigitalGlobe Proprietary
- 70. Faster Synoptic Collects DigitalGlobe Proprietary
- 71. Faster Synoptic Collects DigitalGlobe Proprietary
- 72. Faster Synoptic Collects DigitalGlobe Proprietary
- 73. Faster Synoptic Collects DigitalGlobe Proprietary
- 74. Faster Synoptic Collects DigitalGlobe Proprietary
- 75. Faster Synoptic Collects DigitalGlobe Proprietary
- 76. Faster Synoptic Collects DigitalGlobe Proprietary
- 77. In summary... • EUSI is the only operator performing local tasking for the European region. • Local tasking provides flexibility and a higher chance of successful collections. • WV-2‘s collection capacity and speed is unmatched • Data rich ....new applications continually being researched. 11/4/2011 77
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