Multispectral cameras

  • АСТРОН-3А

    ASTROHN-3A

    Multispectral protection device for the contiguous objects and transport infrastructure

    ASTROHN-3A modules contains, apart from thermal imaging channel, the optical channel with the vision and recognition range up to 1,000 meters. The angles of sight of optical and thermal imaging channels are identical. Optical channel is mainly used during the daytime. Usage of low-level sensor in the cameras of visible band allows to use the optical channel at low illuminance (up to 0.001 lx). Thermal imaging and TV channels contain independent and synchronized systems of intelligent video analysis. Video transmission from thermal imaging channel, TV channel and meta-data of both channels is implemented by the optic fiber through the hermetic tamper-proof plug. The optic fiber plugs simplify modules’ repair and maintenance and its’ replacing without optical fiber fusion splice.
    ASTROHN-3A modules are in mass production since 2010. More than 1200 thermal imaging modules ASTROHN-3A are in full time service by the year 2016. Operating conditions: 24/7/365. Mean time to failure – 10 years. Warranty period – 3 years.

  • АСТРОН-384ПМ

    ASTROHN-384PM

    Multispectral camera

    Networked multispectral thermal imaging camera ASTROHN-384PM is designed for registering objects’ (humans, equipment) thermal emission without the supplemental illumination within two electromagnetic radiation ranges: visible and thermal imaging. Two surveillance channels provide full-time and all-weather surveillance. Device layout inside the rotating body with the precise positioning system increases surveillance field of view. Our experts recommend installing rotating cameras along with fixed cameras, which are guarantee constant, independent of maintenance crew, surveillance over the vital areas and perimeters. Multispectral cameras have sealed housing (shutoff classification – IP67) with a germanium entrance window. Rotation angle – 360 degrees. Leaning and rotating of both channels is simultaneous. Cameras have built-in surge overvoltage protection and a creepage switch designed for Russian power lines. Image output is implemented by Ethernet in H.264, MJPEG formats.

  • АСТРОН-384ПМ

    ASTROHN-640PM

    Multispectral camera

    Networked multispectral thermal imaging camera ASTROHN-640PM is designed for registering objects’ (humans, equipment) thermal emission without the supplemental illumination within two electromagnetic radiation ranges: visible and thermal imaging. Two surveillance channels provide full-time and all-weather surveillance. Device layout inside the rotating body with the precise positioning system increases surveillance field of view. Our experts recommend installing rotating cameras along with fixed cameras, which are guarantee constant, independent of maintenance crew, surveillance over the vital areas and perimeters. Multispectral cameras have sealed housing (shutoff classification – IP67) with a germanium entrance window. Rotation angle – 360 degrees. Leaning and rotating of both channels is simultaneous. Cameras have built-in surge overvoltage protection and a creepage switch designed for Russian power lines. Image output is implemented by Ethernet in H.264, MJPEG formats.

In this section, the high-sensitivity high-reliability climate-protected optoelectronic systems are presented. All of the optoelectronic systems contain 2 surveillance channels – visible and thermal-imaging – and are batched with high quality lenses with fast aperture and minimal optical distortions.

The distinguishing feature of all presented optoelectronic systems is the availability of built-in data mining and intelligent image processing functions for both surveillance channels. The built-in analytics allows to drastically decrease requirements to the server and therefore its cost. With the traditional approach sever performs the decompression of the archived video stream MPEG, H.264, performs an analysis of image for any security threats according to its algorithms, repeats archivation and writes data to the archive. Heavy load on the serves often leads to a server crash and therefore security block outage, which is unacceptable for most object categories.

Algorithms applied in ASTROHN optoelectronic security and surveillance systems allow to construct a 3D scene model in reliance on horizon and perspective, classify and select monitored events by these factors:

  • size and orientation of an object in reliance on horizon and observation point;
  • absolute speed and trajectory of an object in reliance on projection place;
  • subject contrast on the underlying surface;
  • object’s trajectory;
  • enter or exit from the predetermined security areas;
  • object’s residence time in the security area;
  • object’s disappearance from the security area;
  • real object’s size with reliance of perspective (not the on-screen object’s size).