Physical security is a critical operational element for companies and organizations both in the public and private sectors that requires a high degree of accuracy, scalability, and operational efficiencies for incident handling. Traditional camera-based systems have continued to serve their purpose well for years, but they have limitations that can create security systems gaps, increase costs, and waste valuable resources if not optimally configured for alarm events. 3D LiDAR solutions, however, can overcome these limitations to increase effectiveness and reliability, reduce false alarms, and improve operational efficiency.
Advantages of LiDAR
Due to their design and technology, LiDAR sensors have several advantages over cameras that inherently enhance security capabilities.
Sensing Dimension: 3D delivers depth perception and much more accurate information about a monitored space, with fewer sensors. Most other sensors work in either one or two dimensions, including the AI or computer vision software used to analyze that sensor data.
Accuracy and Range: LiDAR sensors are accurate to within <3 cm with an angular resolution of 0.03°–0.13°, and a range of up to 70 m in radius. These factors, combined with the high-density point cloud, enable not only accurate rendering of spaces, but also detection, tracking and classification of objects.
Speed and Directionality: Because the sensors constantly send out pulses, they can detect objects in motion in addition to static objects, including the speed and direction of the objects.
Lighting and Environment: Unlike cameras, LiDAR sensors are not impacted by ambient lighting conditions. They work equally well in well-lit rooms, sunny outdoor spaces, and darkness.
Mesh Network: LiDAR sensors can be fused together to create a surveillance mesh, allowing larger and more complex spaces to be covered with a single system and fewer sensors.
Seamless ID Handover: LiDAR perception software assigns a unique ID to each object/person/vehicle entering a zone. With the mesh capability, the system can track each object uniquely anywhere in the space that is covered by the LiDAR sensors without losing track due to obstructions or other variables. Importantly, no PII (Personal Identifiable Information) is detected by the LiDAR, eliminating any potential privacy concerns.
The real magic, though, happens in the security management software, which is where security teams can see real improvement in their capabilities and efficiency.
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