Transcript New Capabilities in Monitoring Atmospheric Conditions

A Staring Full Scene Imager with Simultaneous Optical Zoom
For Surveillance and Tactical Applications
Proprietary
U. S. Patent Pending
UCSD 2003-249
Janet E. Shields and Richard W. Johnson
Scripps Institution of Oceanography, University of California San Diego
A Novel System (patent pending) to enable Covert, Fast Surveillance
A Full Scene view and Magnified ROI are shown simultaneously
Readily Adaptable for Multiple Applications
One or more 180 degree lenses monitor the full surround
Target image from a single fisheye lens is split to create two identical image planes
Can monitor complete surround, unlike mechanical zoom lenses
Novel optics are used to magnify the image plane
One image plane is shown in full scale
Robust and covert: no external moving parts
A high resolution view of a selected ROI is created
Second image plane is imaged again with magnifying optics
Retains detail lost in electronic zoom
The full scene view and zoomed ROI are shown simultaneously
Magnifying optics retains detail (high spatial frequency) lost in normal electronic zoom
Can respond to user interaction or motion detection algorithms
Concept is in development stage
ROI designated interactively or automatically
Can be developed potentially for daytime, nighttime, visible, or IR
All significant elements have been tested in mock-up configuration
Rotating Dove prisms enable fast selection of region for zoom
Can automatically control alarms and peripheral subsystems
Full Scene: Optical Resolution Target in Lab
Full Scene Radiometrically Enhanced to Show Resolution Target
Partial Optical Magnification of Fisheye’s Image Plane
High Optical Magnification of Fisheye’s Image Plane
Close-up of the Optically Zoomed Target Image
Monitor or Heads Up Display
CAMERA A
CAMERA A
FISHEYE
FOCAL
PLANES
CAMERA B
FIBER-OPTIC
TAPER
COLLIMATED
BEAM
MICROSCOPE
FISHEYE
FOCAL
PLANES
FISHEYE
LENS
CAMERA B
RIGHT
ANGLE
PRISM
(SPLITTER)
Full Scene
Selected Zoomed ROI
MICROSCOPE
ROTATING
DOVE PRISM
RIGHT
ANGLE
PRISM
(SPLITTER)
ZOOMING FISHEYE - ROTATING DOVE PRISM
Electronic Zoom for comparison
with optically zoomed ROI
User simultaneously views full field and selected region.
Prisms are used to create two image planes.
One is used for behind-the-lens zooming.
Multiple Dove Prisms are used for fast imaging of Region Of Interest
Multiple Fisheyes for Full Surround View
Application Concepts
Tanks
Full Surround View
Using multiple lenses
Two or three fisheye lenses
With prisms to image full surround
FISHEYE
LENS
CENTERLINE
OFFSET
ZOOMING FISHEYE - SIMPLE CONFIGURATION
STANDARD
LENS
Surveillance
For military and civilian
Threat-sensitive Sites
Littoral Zone
Covert Surveillance
Unattended Ground Sensors
Mockup for
Conceptual Evaluation
Photo courtesy of Sierra Pacific Corp.
Vehicle remains buttoned up
while viewing full surround.
User actively chooses area to zoom.
Minimizes laser eye safety issues
Three images would be combined electronically for full scene view.
Any image could be zoomed using prisms to select scene in near-real-time.
Phone: (858) 534-1769
e-mail: [email protected]
Motion Detection enables
automated designation of ROI
Automatically controls alarms and
peripheral sub-systems
Moored system deployed
By covert insertion vehicle
Multiple Fisheye systems
with zoom for full sky and
terrain
Supplement existing optical
and acoustic sensors