Panoramic Head

Number of cameras

9


Field of view

360° x 256°


Sensor resolution

54 megapixels



maximum frame rate

8 frames per second


Distance between optical centers

~1o cm


synchronisation

frame-by-frame, centered exposure, time stamped data


Camera (9 per system)

sensor type

global-shutter CCD


sensor size

2752 x 2200 pixels



pixel size

4.54 μm


f-number

F2.8 – F9.0, fixed focus



lens

8.0 mm p-iris, diffraction-limited


depth of field

1 m to infinity (@ ≥ f4)


radiometry

Bayer pattern, 12 bit raw; average (lossless) compression ratio 1:1.5


Geometry

type

multi beam rotating Lidar


field of view

360° horizontal x 40° vertical


channels

32


data rate

700.000 points/second


usable range

70 m



Accuracy

+/- 2 cm (@ 25 m)


rotation speed

10 hz (600 rpm)


safety

class 1 eye safe


angular resolution

0.18° (horizontal/azimuth), 1.3° (vertical)


synchronization

time stamped data


Global Positioning

type

GNSS/INS receiver
GPS L1/L2/L2C, GLONASS L1/L2, SBAS and L-Band


Antenna

Dual frequency GPS and GLONASS Pinwheel Antenna


Frequency

100 Hz (IMU/INS)
20 Hz (GNSS)


Gyroscope performance

Input range ± 375 deg/sec



Accelerometer performance

Range ±10 g
Bias 50 mg
Scale Factor 4000 ppm


Post-processing accuracy RMS

0.020 m horizontal, 0.020 m vertical,
0.015 degrees pitch/roll, 0.030 degrees heading


Synchronisation

Time stamped data


Computer And Data Storage

type

4 Industrial PC Core i7, SATA 6G


Storage

10 TB exchangeable storage (HDD) per data unit


Data

22,5 GB/km, 8 GB of Lidar data/hr @ 4 m spacing



Interface

Ruggedized tablet PC


Weight

46 kg


Size

56 x 44 x 42 cm


Wheel speed sensor (optional)

type

Magnetic wheel sensor


Installation

Intallation on various wheel sizes possible


Performance

65 pulses/m (1.5 cm resolution)


Power

Total power consumption

660 Watt


Strategy

System powered by car battery


Camera operational specification

Operating temperature

-10°C to +40°C, non-condensing


Operation altitude above sealevel

≤ 3000 m


Storage temperature

-10°C to +70°C, non-condensing


IP protection level

IP65


Data Formats

Imagery

JPEG, TIFF (GeoTIFF) or JXR


Geometry

LAser File Format (LAS) – coordinates, reflectivity, color by images


Trajectory

NMEA, KMZ


Calibration

XML for parameters