Global and domestic threats have highlighted the need for tighter security across all verticals. One of the technologies that has redefined situational awareness and intrusion detection is thermal imaging.

Once a technology exclusively manufactured for the military operations, thermal cameras today are deployed across hundreds of security applications and continue to see strong demand in existing and emerging commercial markets.

With thermal technology, security personnel can see in complete darkness as well as in light fog, smoke and rain

Technology Overview And Early Adoption

What distinguishes thermal cameras from optical sensors is their ability to produce images based on infrared energy, or heat, rather than light. By measuring the heat signatures of all objects and capturing minute differences between them, thermal cameras produce clear, sharp video despite unfavorable environmental conditions. With thermal technology, security personnel can see in complete darkness as well as in light fog, smoke and rain.

Originally a military developed, commercially qualified technology, the first thermal cameras for military and aircraft use appeared in the 1950s. By the 1960s, the technology had been declassified and the first thermal camera for commercial use was introduced.

However, it wasn’t until the late 1990s - when FLIR Systems introduced a camera with an uncooled thermal detector - when the technology began to see substantial adoption beyond government defense deployments.

Installations At Critical Infrastructure Sites

In the 2000s, industrial companies were some of the first adopters of thermal, using the technology for predictive maintenance to monitor overheating and machine malfunctions. In the years following the September 11 terrorist attacks in 2001, there was an increase in thermal camera installations across critical infrastructure sites. Stricter security requirements drove the deployment of thermal cameras for perimeter protection, especially in the nuclear power sector.

Thermal cameras produce clear video in daylight, low light or no light scenarios and their sharp images result in higher performing analytics

In 2010, the U.S. Nuclear Regulatory Committee released its 73.55 policy, which states nuclear facilities must “provide continuous surveillance, observation and monitoring” as a means to enhance threat detection and deterrence efforts onsite.

Because thermal cameras produce clear video in daylight, low light or no light scenarios and because their sharp images result in higher performing analytics, thermal cameras quickly became the preferred option for nuclear facilities.

Likewise, following the 2013 sniper attack on PG&E Corporation’s Metcalf transmission substation, the Federal Energy Regulation Commission introduced the Critical Infrastructure Protection Standard 014 (CIP-014). The policy requires utilities to identify threats to mission critical assets and implement a security system to mitigate those risks.

This statute also led to more thermal installations in the utility sector as thermal cameras’ long-range capabilities are ideal for detection of approaching targets beyond the fence line. The demand from both industrial and critical infrastructure entities, as well as other factors, helped drive volume production and price reduction for thermal, making the technology more accessible to the commercial security marketplace.

Commercial Applications

In recent years, the increasing affordability of thermal cameras along with the introduction of new thermal offerings has opened the door to new commercial applications for the technology. In the past, thermal cameras were designed for applications with enormous perimeters, where the camera needed to detect a human from 700 meters away.

From nuclear power plants to construction locations, thermal technology is being implemented to secure sites around the globe
Locations like car dealerships, marinas and construction supply facilities can be protected by precise target detection, thermal analytic cameras providing an early warning to security personnel

Today, there are thermal cameras specifically designed for short- to mid-range applications. Developed for small to medium enterprises, these thermal cameras ensure property size and security funds are no longer barriers to adoption. Lumber yards, recreation fields and sports arenas are some of the commercial applications now able to implement thermal cameras for 24-hour monitoring and intrusion detection.

Affordable thermal cameras with onboard analytics have become attractive options for commercial businesses

Innovation And Advancements

Innovation and advancements in the core technology have also spurred growth in thermal camera deployment, providing faster image processing, higher resolution, greater video analytic capabilities and better camera performance.

In particular, affordable thermal cameras with onboard analytics have become attractive options for commercial businesses that need outdoor, wide area protection.

Car dealerships, marinas and construction supply locations all store valuable merchandise and materials outside. Without protection, these assets are vulnerable to vandalism and theft. However, by providing precise target detection, thermal analytic cameras provide an early warning to security personnel so that they can intervene before a crime is committed. By helping to deter just one incident, the thermal solution delivers a clear ROI.

New Market Opportunities

Not only are there more thermal cameras in use today than ever before, but there are also more thermal sensors being integrated with other multi-sensor systems, driving the adoption of thermal in new markets. For large perimeter surveillance applications, thermal is repeatedly being integrated with radar and drones to expand situational awareness beyond the point of fixed cameras.

Users get immediate, accurate alerts of approaching targets and evidentiary class video for target assessment

In the commercial market, thermal imagers are combined with optical sensors, analytics and LED illuminators into one solution that integrates with central monitoring station platforms. By bringing these technologies together, users get immediate, accurate alerts of approaching targets and evidentiary class video for target assessment.

The result is a lower number of false positives, reducing the total cost of ownership for the solution. These multi-sensor solutions also feature two-way audio capabilities, which enable remote security officers to act as “virtual guards” and speak to intruders in real-time to dissuade them from illegal activity.

The introduction of solutions that integrate all these state-of-the-art technologies under one unit reduces the amount of capital and infrastructure needed for deployment. Consequently, more small businesses and alarm monitoring companies can implement advanced perimeter security technologies like thermal sensors, some for the very first time.

Thermal cameras have gone from military defense devices to widespread commercial security cameras

Multi-Sensor Thermal Solutions

Multi-sensor solutions featuring thermal are quickly gaining traction and opening the door to new business opportunities for the security channel. One of the primary reasons for the strong market interest in these systems is they enable integrators to increase their recurring monthly revenue (RMR).

With intense price competition and eroding margins on CCTV equipment, integrators have to rely on RMR to grow their businesses. Offering remote video monitoring services and virtual guarding technologies is one of the best ways to do so. 

Additionally, there is a clear demand for it. Central stations are continually looking for new technologies to offer their customers and businesses are interested in economical alternatives to physical guards.

In conclusion, thermal cameras have gone from military defense devices to widespread commercial security cameras that are a substantial segment of the outdoor security protection market. From nuclear power plants to construction locations, thermal technology is being implemented to secure sites around the globe.

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