asc flash lidar technology
TRANSCRIPT
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Overview
ASC 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 matures
Technology 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
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ASC 3D3D Flash LIDAR Technology(everything below represents original ASC IP)
Lasers & Optics
DragonEye3D FLC for Space 45
o
Chips (InGaAs and CMOS)
Electronics & Custom Cameras
Software
Portable 3D FLC Evaluation Kit™
Non-CCD/CMOS hybrid sensors
Diode or “pumped”depending on application
TigerEye 3DCamera™ (9
o)
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GoldenEyeNASA sponsored prototype for deep space/long-term
operations
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TigerEye 3D Flash LIDAR Camera™
Air cooled, eye-safe flash laser 2~7 mJ128 x 128 pixel
3D image sensor engine
45o
TigerEye for up to 50 meters
9o
TigerEye for up to 350 meters
Back of the TigerEye CameraShowing Ethernet/Power and RS-232
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Why 3D Depth Cameras?2D vs. 3D
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DragonEye 3D Flash LIDAR On-Orbit TestsSTS-127 & STS-133 Successful DTOs
DragonEye mounted on
Endeavor & Discovery Orbiters
STS-127 Launched July 15th 2009
STS-133 Launched Feb 24th 2011 (last Discovery mission)
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Material used by permission NASA and Space Exploration Corp.
3D Flash LIDAR image (single frame) STS-133 approach to
International Space Station using 45x45 degree FOV lens; from
1.5km to docking.
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DragonEye 3D Flash LIDAR Camera™
45o
Field of View DragonEyeWith cooling fins for terrestrial development
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45o
Field of View DragonEyewith vacuum-proof enclosure
Dimensions:- Faceplate: h17.6cm x w16.5cm- Backplate: h10.8cm x w12cm- Depth: 14.8cm
Mass: 3.6 kg in vacuum-proof enclosureEye-safety: 4.5mJ, 1.57 micron, Class 1 laserConnectivity: EthernetThermoelectric cooler/heater on sensor and laserVacuum sealed enclosurePower: 24VDC +4; up to 35WCost: < $200,000
Advantages:• Full frame TOF data captured with each laser pulse• Unambiguous direct calculation of range• Blur-free images without motion distortion• Co-registration of range and intensity for each pixel• Pixels are perfectly registered within a frame• Ability to represent objects that are oblique to the
camera• Low mass• No moving parts• Low power consumption• Various lens sizes and FOV possible• Eye-Safe laser assembly
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Sunlight: Non-issue for 3D Flash LIDAR
56 meters
range
Flash LIDAR is not
affected by direct
sunlight
Driver’s vision is
impaired by sunlight
Visible Image
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Distance, Object Measurement ApplicationsMeasuring & Capturing Accurate Range and Model Data
Accurate
Distances
Shapes
3D Model Creation
Bearing
Intercept
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
Used by permission from Applied Research Laboratory, Penn State University
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Same Scene: 8.6o
vs. 45o
45o TigerEye
(At 17m, pixel pitch is ~10.4cm)
8.6o TigerEye
(At 17m, pixel pitch is ~3.5cm)
Combined Range & IntensityCombined Range & Intensity
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45o
with 45ox22
oDiffuser
Intensity MapRange
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45o
with 45ox22
oDiffuser
Range & Intensity Map CombinedSingle Laser Pulse, <10nS
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Airborne Applications
• Mapping
• Wire Detection
• Landing Zone Evaluation
• Autonomous Refueling
• Collision Avoidance
• Situational Awareness
• Brownout Landing
• Surveillance
• Countermeasures
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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 framewill provide 200ft x 500ft landing lane image with 1mRad resolution
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Dust Penetration Testing
ASC TigerEye 3D Flash LIDARYuma Proving Grounds
April 26, 2010
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3D Flash LIDAR Brownout Results
TargetTarget
Target
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Imaging through Dust
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).
Target @ 150’
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Data Fusion: Potential 3D Flash
LIDAR + 2D Fusion Application
These samples are “rotated” to show 3D perspective on a 2D display
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Multiple 2D+3D cameras would allow a full 3600 experience• Analytics & metrics, measuring ball and player speed; distances, statistics, etc.
• Viewing from various perspectives
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Summary
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