Etrovision's Megapixel Cameras Deliver Smooth Traffic Monitoring

Traffic monitoring with 5-megapixel network cameras not only provides a cost-effective and efficient means of monitoring, but can be integrated with other systems and technology to create an intelligent platform.

Essential Requirements

  • Resolution and ROI for coverage and quality
    Etrovision's EV8180F has a maximum resolution of 5-megapixel at 10 fps and also offers 1080p at 30 fps. The 5-megapixel camera can cover larger areas, such as parking lots and monitor up to three lanes of traffic. License plate recognition (LPR) for nine cars simultaneously is possible up to 50km/h (3 lanes x 3 rows of cars). 

    The 1080p resolution is better suited for LPR at higher speeds. HD 1080p can effectively monitor two lanes of traffic, whereas 2-megapixel at the 4:3 aspect ratio cannot completely view two lanes. In addition, the EV8180F has eight independent regions of interest (ROI), which can monitor specific zones within the viewing area.

  • High vehicle speeds require faster shutter speeds
    With a fast shutter speed up to 1/12000 and 30 fps (1080p), the EV8180F clearly identifies license plates moving at highway speeds. The DC iris and IR-cut filter mitigate blurring caused by weather-induced light reduction.

Low Light Conditions

  • Minilux mode and IR outdoor housing
    To cope with low-lux conditions, the EV8180F can be used along with Etrovision's IR outdoor housing to increase the viewing distance to 120m. Along with Day/Night functionality, the EV8180F also comes with Minilux mode (Etrovision's binning technology) providing high quality images in low-light environments.
  • Wide Dynamic Range (WDR)
    Car headlights present imaging challenges in low-lux environments, making LPR difficult. Advanced WDR technology in the EV8180F helps overcome this issue. It is important to choose a camera with high quality WDR, because not all WDR cameras can deliver good results.

Creating an Intelligent Platform

Etrovision's cameras are integrated with several LPR vendors to ensure smooth integration and ease of use. Network cameras with the ability to clearly read license plates at high speeds can be integrated with LPR systems. This combination creates intelligent systems which not only perform offline analysis, but can also be used with mobile devices for real-time applications. These systems can used in a number of areas such as law enforcement, traffic analysis and toll collection.

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