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Digital Camera (Airborne Scanner) «3-DAS-1»
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Digital Camera (Airborne Scanner) «3-DAS-1»

High resolution trilinear pushbroom airborne scanner with true RGB forward-nadir-backward channels

Brochure | Presentation

Features and benefits

Complete digital photogrammetric workflow without film development, scanning, etc.

Contiguous seamless images for whole strip with permanent triple overlay.

Three RGB-sensors from Kodak provide crystal bright 42-bit images.

Realtime Image view and automatic selection of optimal exposition during the flight.

Unlimited flight capture time with hot swap RAID storage units.

On-the-fly lossless compression allows up to 16 hours of capture per terrabyte.

Selectable stereo for 3D-mapping with 16°, 26° or 42° convergence angle.

Simple and robust design for easy maintenance.

  

See also

Answers to frequently asked questions about «3-DAS-1»

Conclusion of Ukrainian scientific research institute of geodesy and cartography

Image samples

Flight project sample in Leica ADS40 L1 format

Ground sample distance 0.07 m (flight scale 1:8000)

Ground sample distance 0.11 m (flight scale 1:12000)

Ground sample distance 0.14 m (flight scale 1:15000)

Ground sample distance 0.23 m (flight scale 1:25000)

Flight project sample (GSD 0.09 m, 4 strips, stereo)

Technical specification

Parameters

Values

Flying height, m

600-6000

Swath width, m

837-8370

Ground sample distance, cm

5.4-54

Number of simultaneous RGB channels

3

Radiometric resolution, bit

42

Angles between nadir and forward channel, degree

22

Focal distance, mm

100

Field of view (across the strip), degree

75

Line rate, Hz

210-740

Power requirements

DC 28V/15A

Weight, kg (net/whole system with stabilized platform and PC)

65/160

CCD sensor properties

 

Active elements

8000xRGB

Pixelsize, microns

9

 

The family of pushbroom cameras

There are many other cameras in addition to 3-DAS-1 with different number of RGB and Infrared modules and various inclination angles between the modules. 4-DAS-1 camera has additional NIR channel in nadir along with three RGB channels. Large format 3-DAS-2 has six channels and provides double scanning swath width. 3-OC-1 and 6-OC-1 are oblique cameras and were developed to create textured 3D-city models. These cameras have 45 degree inclined backward/forward and left/right channels.

Comparison table with technical specifications for all DAS series cameras >>>

 

Camera software

Provides flight planning and flight management with trajectory control.

Allows viewing captured images and changing parameters during the flight.

Creates and process raw and compressed 16/8 bit images of unlimited size.

Performs calibration and postprocessing for image rectification by GPS/IMU data.

Provides automatic and semiautomatic DEM extraction for orthophoto.

Creates seamless orthophoto mosaics with automatic color balancing.

Allows 3D vector mapping.

Compatibility

Integration interface to popular IMU/GPS such as Applanix POSAV, Novatel SPAN, IGI AEROcontrol and Leica IPAS20.

Servo stabilized platform is included (Leica PAV30 can be used instead as an alternative).

System components
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