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ASC flash lidar technology



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  • 1. OverviewASC 3D: A 3D camera semiconductor company  Founded in 1987  Designs: Semiconductors, Lasers, Optics, 3D Flash LIDAR Camera™  Enabling ASC’s 3D Sensor Engine business  Multiple, broad patents granted, several more in process  Expanding into emerging markets as technology maturesTechnology Advantages  Unique technology applicable in multiple areas  Eye-safe lasers for illumination  Real-time 3D images/streams without motion distortion  Lightweight, non-mechanical camera (i.e. non-scanning)  3D zoom like ordinary 2D digital cameras 1
  • 2. ASC 3D 3D Flash LIDAR Technology (everything below represents original ASC IP) Chips (InGaAs and CMOS) Lasers & Optics Software Non-CCD/CMOS Diode or “pumped” hybrid sensors depending on applicationElectronics & Custom Cameras GoldenEye NASA sponsored prototype Portable 3D FLC TigerEye 3D DragonEye for deep space/long-term o Evaluation Kit™ Camera™ (9o) 3D FLC for Space 45 operations 2
  • 3. TigerEye 3D Flash LIDAR Camera™ Air cooled, eye-safe flash 128 x 128 pixel laser 2~7 mJ o3D image sensor engine 9 TigerEye for up to 350 meters o 45 TigerEye for up to Back of the TigerEye Camera 50 meters Showing Ethernet/Power and RS-232 3
  • 4. Why 3D Depth Cameras?2D vs. 3D 4
  • 5. DragonEye 3D Flash LIDAR On-Orbit TestsSTS-127 & STS-133 Successful DTOs 3D Flash LIDAR image (single frame) STS-133 approach to International Space Station using 45x45 degree FOV lens; from 1.5km to docking. DragonEye mounted on Endeavor & Discovery Orbiters STS-127 Launched July 15th 2009 STS-133 Launched Feb 24th 2011 (last Discovery mission) Material used by permission NASA and Space Exploration Corp. 5
  • 6. DragonEye 3D Flash LIDAR Camera™ o 45 Field of View DragonEyeWith cooling fins for terrestrial development o 45 Field of View DragonEye with vacuum-proof enclosure Advantages: • Full frame TOF data captured with each laser pulse • Unambiguous direct calculation of range Dimensions: • Blur-free images without motion distortion - Faceplate: h17.6cm x w16.5cm - Backplate: h10.8cm x w12cm • Co-registration of range and intensity for each pixel - Depth: 14.8cm • Pixels are perfectly registered within a frame Mass: 3.6 kg in vacuum-proof enclosure • Ability to represent objects that are oblique to the Eye-safety: 4.5mJ, 1.57 micron, Class 1 laser camera Connectivity: Ethernet • Low mass Thermoelectric cooler/heater on sensor and laser • No moving parts Vacuum sealed enclosure • Low power consumption Power: 24VDC +4; up to 35W • Various lens sizes and FOV possible Cost: < $200,000 • Eye-Safe laser assembly 6
  • 7. Sunlight: Non-issue for 3D Flash LIDAR 56 meters range Visible Image  Driver’s vision is  Flash LIDAR is not impaired by sunlight affected by direct sunlight 7
  • 8. Distance, Object Measurement ApplicationsMeasuring & Capturing Accurate Range and Model Data Range to P1 = 290 m = 952 ft Range to P2 = 289.91 m = 951.16 ft Range to P3 = 284.17 m = 932.32 ft Range to P4 = 277.59 m = 910.74 ft Height D1 = .07 m = .22 ft Width D2 = .23 m = .77 ft Height D3 = 2.13 m = 6.98 ft Width D4 = 3.01 m = 9.55 ft Height D5 = 2.37 m = 7.78 ft Height D6 = 1.75 m = 5.74 ft Accurate  Distances  Shapes  3D Model Creation  Bearing  Intercept Used by permission from Applied Research Laboratory, Penn State University 8
  • 9. o oSame Scene: 8.6 vs. 45 Combined Range & Intensity Combined Range & Intensity o o 8.6 TigerEye 45 TigerEye (At 17m, pixel pitch is ~3.5cm) (At 17m, pixel pitch is ~10.4cm)
  • 10. o o o45 with 45 x22 Diffuser Range Intensity Map
  • 11. o o o45 with 45 x22 Diffuser Range & Intensity Map Combined Single Laser Pulse, <10nS
  • 12. Airborne Applications• Mapping• Wire Detection• Landing Zone Evaluation• Autonomous Refueling• Collision Avoidance• Situational Awareness• Brownout Landing• Surveillance• Countermeasures 12
  • 13. Landing Zone Evaluation Demonstrated 3D Flash LIDAR’s ability to create 3D hazard maps in real time 3D map of Yuma LZ is stitched together for a large area map Individual frame will provide 200ft x 500ft landing lane image with 1mRad resolution 13
  • 14. Dust Penetration Testing ASC TigerEye 3D Flash LIDAR Yuma Proving Grounds April 26, 2010 14
  • 15. 3D Flash LIDAR Brownout Results Target Target Target 15
  • 16. Imaging through Dust Target @ 150’ TigerEye 3D Flash LIDAR camera, 9 Degree FOV, capture rate in HIT + SULAR mode to image through obscuration using a Big Sky laser (limited to 6 Hz frames per second).
  • 17. Data Fusion: Potential 3D Flash LIDAR + 2D Fusion Application These samples are “rotated” to show 3D perspective on a 2D displayMultiple 2D+3D cameras would allow a full 3600 experience• Analytics & metrics, measuring ball and player speed; distances, statistics, etc.• Viewing from various perspectives 17
  • 18. Summary 18