visIvis® - Automated meteorological measurements
Reliable recording of meteorological measurements using camera-based sensor technology and image analysis.
What is visIvis®?
visIvis® is a vision-based system for automatically measuring visibility using standard cameras. It was developed so that airports, road traffic monitoring systems and port facilities, for example, can reliably record current visibility conditions.
Key features at a glance
- Use of existing or standard cameras for measuring visibility.
- Automatic analysis of image areas to detect visible and non-visible zones and derive a visibility estimate from this.
- Use in various weather and lighting conditions – e.g. fog, twilight.
- Interfaces for integration into existing monitoring or reporting systems (e.g. METAR at airports).
What are the advantages of JOANNEUM RESEARCH's visIvis® visibility measurement system?
- Provides a frequently updated assessment of visibility, as opposed to manual observations or individual sensors.
- Enables a plausibility check of existing visibility and weather sensors: ‘Is the measured visibility correct?’
- Relieves observers and operating personnel in critical situations through automated monitoring.
visIvis® detection of snow cover
As an option, visIvis® offers additional measurements for detecting snow cover. This means that multiple relevant meteorological measurement values can be derived using one camera as a sensor.
Automatic determination of visibility conditions
The reliable and precise estimation of weather conditions is of central importance for air traffic safety. To minimise the disadvantages of current subjective observer reports, an approach for the automatic determination of visibility conditions using image-processing methods has been developed. Visibility determination from cameras enables reliable automation of detection while maintaining the strengths of an observer.
Areas of application for camera-based visibility measurement
- Automation and stress reduction in air traffic management
- Creation of comprehensive visibility reports that comply with current air traffic standards (METAR)
- Remote tower applications
- Meteorological measurement networks
- Visibility determination for critical infrastructure (e.g. motorways, ports)
visIvis® in Air Traffic Management
Automated visibility measurement for greater safety and stress reduction in the tower
Your benefits
Accurate information on current weather conditions is essential for safe and efficient air traffic. Air traffic controllers make decisions that are not only relevant to safety, but also have an impact on traffic flow and possible delays.
Large airports already use sensor systems to assess weather conditions. Visibility reports are currently often based on a combination of sensor data and visual observations by trained personnel – for example, using prominent landmarks such as buildings or mountain peaks. However, these assessments are subjective and potentially prone to error.
Although existing visibility sensors provide very accurate data, they usually only do so at specific points – typically at the beginning and end of the runway.
visIvis® offers an innovative approach
With the help of intelligent image processing, the system automatically records the visibility in the entire area covered by the camera. This results in objective, comprehensive measurements – without any subjective influences.
The comprehensive visibility analyses support air traffic controllers in their daily work, relieve them in critical situations and increase overall safety in air traffic.
Contact
Discover the customisable solution for the specific requirements of your airport, ATM or meteorology application – seamlessly integrable into existing systems and with standardised or customised reporting, e.g. in METAR format.
Find out more now and capture visibility conditions intelligently!
Demonstrator visIvis®
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