Rapidly increasing populations in metro areas worldwide have led to new and urgent challenges, such as increasing road traffic, higher incidences of traffic-related fatalities, and heightened security concerns in crowded public venues. These challenges have underscored the need to implement smart city technologies. As we will see lidar is one of key technologies as it provides accurate, anonymous and discrete 3D sensor data.
From an article in The Fast Mode by Gerald Becker.
Smart city technologies put data into city leaders’ hands, to enable better decisions that improve the safety and efficiency of a city. In the early years, when smart cities were a concept more than a reality, city leaders and planners saw “behind-the-scenes” efficiency as the primary benefit of smart cities (McKinsey).
Today, however, it is clear the true power of the smart city lies in its ability to provide citizens with a better quality of life. From creating safer roads for vehicles and pedestrians alike, to making it easier, faster, and safer for people to move about their daily lives, whether they are at the grocery store or the airport.
What is LiDAR for smart cities?
LiDAR is a key technology driving smart cities forward. LiDAR-based smart city solutions accurately, anonymously, and discretely capture powerful data about the movement of people and vehicles across large areas to create safe, efficient, and effective smart cities.
LiDAR stands for Light Detection and Ranging. An extremely versatile sensing technology, LiDAR fires a low-power, eye-safe pulsing laser and measures the time it takes for the laser to complete a round trip between the LiDAR and its target (called “time of flight”). The aggregate data is used to generate a 3D point cloud image, providing both spatial location and depth information that can be used to identify, classify, and track moving objects.
A key concern for the smart city is privacy. Many citizens worry about protecting their personal data and are often wary of surveillance measures, especially when these measures are used for purposes other than security. Unlike cameras and other traditional data-capture methods, LiDAR sensors collect no personally identifying information (PII), protecting the privacy and anonymity of citizens as they go about their daily lives. Thanks to their long range and broad coverage, LiDAR sensors can also be mounted discretely, allowing for unobtrusive monitoring. This enables cities and commercial building planners to bring efficiency and safety to their citizens and residents, while protecting privacy and optimizing necessary security resources.
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