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The Components Of A Mobile LiDAR System

The Components Of A Mobile LiDAR System

In the world of survey mapping, mobile LiDAR has revolutionized previously accepted methods and techniques. Rather than staying static, LiDAR sensors and cameras travel on vehicles or aircrafts to collect survey-quality point data with enhanced speed and accuracy.

Another common survey method is photogrammetry, which is a process in which two or more two-dimensional images are translated into three dimensional measurements or models. Typically, this process involves analyzing and comparing two-dimensional photographs. Mobile LiDAR differs by collecting data directly from three-dimensional objects to create a map. Whether you use mobile LiDAR in Florida, Panama, or any other area, know the system’s components.

  • Mobile Platform: The mobile platform connects all of the data collection hardware into a single system. This essential platform also provides a method for incorporating the vehicle used into the data collection process. Typically, the platform is rigid and precisely calibrated in order to maintain the important positional differences between the GPS, scanners, and imaging equipment.
  • Laser Scanners: Different types of 3D laser scanners are suitable -for use on a mobile platform, as long as they are set to operate in a line scan mode. In this mode, the scan head is fixed and the only movement is in the internal mirror. Most platforms, like the systems of mobile LiDAR in Florida, use more than one scanner with view orientations at varying angles.
  • Computer and Data Storage: As computer processing speed and data storage capabilities have advanced, the efficiency of working with light detection and ranging systems has only increased. Mobile LiDAR detection systems can now process and store large quantities of data from multiple sources while integrating all photographic and video data.
  • Positioning Hardware: While the exact positioning hardware varies with the system, most incorporate at least one GPS receiver and an IMU. When there are areas of poor satellite coverage, the IMU works to record the positioning. When in areas of good satellite coverage, the positional information the IMU collected is updated from the GPS, allowing the hardware to work together.
  • Photo/Video Recording: This component gives great detail than a laser scanner would alone by allowing for the representation of real-world color. Visual recordings also help the LiDAR users to find and correct abnormalities in the scan data.

Mobile LiDAR systems are made of many different parts. By working in harmony, these surveying systems give professionals in many industries the ability to map the world around them.

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