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Euralarm represents the fire and security industry, providing leadership and expertise for industry, market, policy makers and standards bodies.
April 14, 2021

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AI in fire detection

Benefits of Artificial Intelligence to optimising fire detection showcased at EUSAS Conference

Euralarm reports on the recent European Society for Automatic Alarm Systems (EUSAS) conference, with subject matter focusing around the topic: ‘Artificial intelligence in fire detection and security – without the hype’.

The EUSAS Conference, held online during 16-17 March, once again demonstrated the importance of technological development for an industry endeavoured to protect lives with a particular relevance to the fire and security industry.

The conference opened with a discussion on what Artificial Intelligence (AI) is, including its history. The focal point for the fire industry were the presentations during the session on the benefits and opportunities of AI for fire detection and security.

Artificial Intelligence and Fire Safety

In his presentation, Guillermo Rein of the Imperial College London, presented an innovative fire protection system that combines building sensors, computer modelling, and artificial intelligence (AI). It is called The Fire Navigator and aims to forecast the movement of a fire inside a large building, providing the fire brigades with essential information about flames and smoke ahead of time.

It is designed to bridge the gap between fire safety and Building Information Modelling (BIM) by making use of the data already produced by high-rise building sensors such as smoke and heat sensors. A fast and simple cellular automated model assimilates sensor data, and via inverse modelling and genetic algorithm techniques it uncovers the ignition location, time, flame spread rate and smoke velocity. A test case with synthetic data was shown for a real building in London.

The Fire Navigator concept would be specially suited for the protection of higher risk buildings like high-rise and hospital, or critical infrastructure like tunnels and power plants.

Sensor technology

Paul van der Zanden, General Director of Euralarm, elaborated on the connection between AI and the fire industry. He took a holistic approach by defining AI as ‘’technology used to add value and/or improve the outcome of an existing or new process/system’’.

Within Euralarm fire safety is seen as an ecosystem and therefore fire safety should be part of the development process. Assuming that everything is done in the design to prevent a fire from starting, there remains a chance that a fire incident will happen. A key factor which defines the impact from this incident is time. Timely detection and sensitivity for unnecessary alarms have a relation with each other. Both factors can be improved by using new technologies including AI technologies.

The question remains on whether we can use other future spin-off developments from the AI world for fire safety. The introduction of new sensor technologies available could be one of these spin-offs.

AI-related vulnerabilities

Ibrahim Daoudi of CNPP presented the vulnerabilities related to the use of artificial intelligence on security/safety products, where he summarised three main categories of vulnerabilities.

The first category consists of adversarial attacks, where the aim is to generate data sufficiently modified to mislead the model. The second category concerns physical attacks. It is in fact based on adversarial attacks but applied to real objects. The third category is the traditional attack on information systems leading to the poisoning of the model itself or its training data.

Temporal Deep Learning

Utilising temporal information is crucial to detect smoke in video sequences. In his presentation Andreas Wellhausen of Bosch Sicherheitssysteme GmbH presented the work on temporal approaches based on Deep Learning that are applied to Video Smoke Detection. Two methods were elaborated upon.

Firstly, a combination of convolutional neural networks (CNN) and long-short-term-memory networks (LSTM), secondly the inflated 3D architecture (i3D), which consists of 3D convolutions. These are two state-of-the-art approaches to extract spatial and temporal information out of video sequences. A new way to detect and localise smoke within such sequences was presented, called cell-wise classification. Furthermore, the advantage of temporal approaches over CNN methods, which are commonly used for detection problems in Computer Vision, was shown.

Legislation and outlook

While the rapid adoption of AI creates exciting new opportunities for industry and individuals alike, it also poses an important question: do current laws apply to AI? Tadas Tumėnas of Orgalim discussed if and how this new technology should be regulated. He outlined the state of play of AI in Europe. He focused on the definition of AI, which he argued should be the essence of the EU legislative framework and presented the Commission’s work related to AI.

In the last presentation, Lance Rütimann, Chair of the Fire Section of Euralarm, said that if the fire safety industry does not take on the task of working with legislators, regulators, and standardisation bodies in defining the aforementioned regulatory landscape, then someone else will. This is because the use of AI to protect lives and assets makes good sense. Understandably, the path ahead is not clear, and there are many, many questions. The fact that the results of the work of the fire safety industry makes the world a safer place for millions of people is the best motivation to set the focus on a new horizon.

 

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