Вокорд. Системы видеонаблюдения, распознавания лиц, фотофиксации нарушений ПДД, аудиорегистрации

Video cameras for facial recognition

VOCORD NetCam4

Specialized cameras for facial/license plate recognition
and other video analitics tasks requiring high-quality images

netcam4

Product line

Cameras for a facial recognition system with an inbuilt detector of faces. The cameras of K-series have an additional DSP-processor for in-camera facial recognition. It allows to reduce server and network load. Inbuilt video enhancement algorithms ensure high image quality in various light conditions, such as back lighting, hard side lighting, poor lighting and interference.
Cameras for solving a wide range of video analytics tasks, such as license plate recognition. High sensitivity, automated video enhancement algorithms and transmission of raw video stream (RAW) make the cameras the best solution for recognition tasks in complicate conditions, for example, in poor weather conditions.
Vertical cameras for a facial recognition system with an inbuilt face detector. The cameras of Z-series are equipped with an additional DSP-processor for in-camera facial recognition. It allows to reduce server and network load. Inbuilt video enhancement algorithms ensure high image quality in various light conditions, for example in street lighting.
Stereo cameras for the facial recognition system VOCORD FaceControl 3D. Cameras capture four high-quality images at different angles simultaneously to automatically create a 3D model.

Incomparable image quality

Highly sensitive image sensors with low inherent noise deliver high image quality regardless of fast moving and poor or changing lighting conditions. Inbuilt video enhancement algorithms compensate front and back lighting and other factors that influence badly on image quality.

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Broadcasting of uncompressed video stream

Uncompressed (RAW) streams are best fulfilled the tasks of video analysis. It contains more color gradations that allows to improve detection of "object of interest". VOCORD NetCam4 has two independent ports of 1 Gbit/s and transmits data in RAW, MJPEG and H.264 formats. It also delivers "objects of interest" (for K-series).

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Peripheral device control

VOCORD NetCam4 can interface with peripheral third-party equipment. All peripheral devices are connected directly to the camera via any of available interfaces for:

  • Radars or PTZ-devices (through 2 or 3 RS-232/485 ports)
  • Windshield washers and wipers and other periphery
  • Synchronous PWM-control of pulse illuminators
  • Data exchange and integration with access control systems

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Video

How to choose cameras for facial recognition
Customers very often want to run facial recognition on the installed CCTV-cameras. The video explains why we shouldn't do this.
Technical characteristics
Parameter Value
Electronic shutter type Between-lens shutter (Global shutter)
Line scanning Noninterlaced
ADC digit capacity, bit from 10 to 14
Image sensor, type CCD or CMOS (black & white or color)
Dynamic range of video sensor, dB (according to EMVA-1288 standard) up to 69
Video sensor signal/noise at maximum signal power, dB (according to EMVA-1288 standard) up to 42
Automatic exposure adjustment with precise control of max./min. exposure interval from 100 to 100,000 μs (with 1 μs increment)
Black balance Available, automatic
Video stream histogram equalizer Available, automatic
White balance Available, automatic
Automatic video data capacity conversion for RAW-steams 12 bit -> 10 bit, 12 bit -> 8 bit, 14 bit -> 8 bit
Interface for auto Iris, type DC-Drive
Interface for operating mechanized lenses equipped with DC motors, type Three channels (variable focus lens, focus, Iris) with feedback (optional pre-set positions)
Peripheral device control interfaces via PS-232/RS422/RS-485 ports, quantity up to 3
Global Shutter synchronization to 50 Hz power line for elimination of flicker caused by lamplight sources Automatic, software-initiated
Alarm input interfaces, quantity  2
 Alarm output interfaces, quantity  3
 Peripheral device control relay interface, quantity  3
  Supported network broadcast protocols   IP multicast, IP unicast, UDP, TCP, HTTP
  Supported network control protocols   DHCP, HTTP, telnet, NTP, TCP (VSSCP), RTP/RTCP
  Power consumption, (with no lens), Wt   from 4 to 12 (depended on camera model)
  Operating temperature range   from 0 °C to +50 °C
  Dust and moisture proof class   IP42
 Dimensions (with no lens), mm (height x width x depth)   65x70x150

VOCORD NetCam4 models – comparative specifications
Model LAN-interfaces Data transmission format Resolution Optical format Frame rate Sensor
D14M20SA2RAW, MJPEG1392x1040,
1,4 MP
2/3”20Interline CCD, BW
D28C25SA2RAW, MJPEG
1936x1456,
2,8 MP
1/1,8”25Interline CCD, RGB
D41M16SA2RAW, MJPEG2336x1752,
4,1 MP
1”16Interline CCD BW
K14M20SA1RAW, MJPEG,  H.2641392x1040,
1,4 MP
2/3”20Interline CCD, BW
K14C20SA1RAW, MJPEG,  H.2641392x1040,
1,4 MP
2/3”20Interline CCD, RGB
K28M25SA1RAW, MJPEG,  H.2641936x1456,
2,8 MP
1/1,8”25Interline CCD, BW
K28C25SA1RAW, MJPEG,  H.2641936x1456,
2,8 MP
1/1,8”25Interline CCD, RGB
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