GE daq8580 Brochure download pdf (Page 43)

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applied image

processing

Warfighters need to know what is happening all around them

and the military assets they control, and a variety of image

processing systems from GE Intelligent Platforms can enable

just that. Our situational awareness subsystems are found on

virtually every type of military platform, including armored

vehicles, aircraft, remote unmanned platforms, and security

and surveillance installations.

Our subsystems can provide real-time 360° situational aware-

ness through high-resolution panoramic video feeds from as

many as 16 cameras. These subsystems provide an intuitive,

operator-friendly interface that incorporates a virtual camera

that can be panned or zoomed with either joystick or touch-

screen interfaces. The virtual camera concept eliminates the

critical time that would be lost by moving a real camera into

position. The subsystem also operates with a wide array of

physical sensor positions and orientations.

The video perspective afforded by the camera array affords

a very high typical horizontal resolution of about 7,000 pixels.

This provides much greater resolving power than fish-eye lens

systems, and also provides a more realistic image of the area

under surveillance by preserving the intuitive spatial relation-

ships of objects. Images are aligned without distortion, leaving

straight lines straight when the operator views the image on

the display.

The use of multiple cameras provides real-time monitoring

of an area much larger than any single sensor system can

provide. GE’s ADEPT5000 Multi-Target Video Tracker can provide

automatic moving target detection and metadata tagging

in the video stream anywhere within the 360° horizon. The

subsystems can interface with any type of video-style

sensor, including thermal imagers, and

can be used with analog video (CCIR/

RS170) as well as digital video interfaces.

GE recognizes that size, weight and

power (SWaP) must be conserved in

many platforms in which situational

awareness systems are deployed.

Therefore, we designed our subsystems

so that a single display device can

manage multiple video input streams

that provide the widest possible

area of coverage.

The subsystems employ simple calibration and alignment

algorithms. They can be operated with images covering any

available waveband, and can be coupled with a cued or inde-

pendent high-resolution steerable sensor. Our real-time Image

Fusion technology can meld full-frame, multi-resolution images

streaming from visible and infrared cameras to provide an

enhanced image for operators even under sub-optimal viewing

conditions. This intelligent subsystem affords higher detail and

contrast than one sensor technology alone might provide, thus

giving the operator a higher level of information content. The

image processing subsystem can be divided into two modes.

Data Extraction can provide the detection of events in the field

of view, while Visualization offers the presentation of multiple

video images and information from the Data Extraction process.

Future tracking subsystems may be expected to face even

tighter SWaP constraints in certain platforms, such as UAVs. For

these applications, tracking subsystems may drop certain non-

critical functionalities in exchange for dramatically reduced

SWaP specifications in addition to greater cost-effectiveness.

Another possible future development could be toward develop-

ment of entire 360° situational awareness systems as package

products to further ensure seamless integration between

subsystems.

GE Intelligent Platforms 360° situational awareness subsys-

tems are available for deployment in either fixed security

installations where an industrial level of environmental

performance is required or in mobile military vehicle or similar

applications that require full-military, rugged, conduction-

cooled environmental performance.

360° Situational Awareness

real-time panoramic video

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