2020 Virtual Content - 2021 Dates Coming Soon

SPAR – Indoor Mapping/Portable 3D Capture – Indoor & Outdoor Mobile Mapping: Challenges & Workarounds

Jun 03 2020
3:30 pm - 4:30 pm

SPAR – Indoor Mapping/Portable 3D Capture – Indoor & Outdoor Mobile Mapping: Challenges & Workarounds

Track Name: Wednesday 3:30 PM - 4:30 PM
Session Date: Jun 3 2020 3:30 pm - 4:30 pm

An Exploration of SLAM Lidar Accuracy

Simultaneous Localization and Mapping (SLAM) adds mobility to a 3D lidar scanner, freeing it from a stationary position. Lidar scanning can now take a variety of form factors, including aerial, handheld, robotic, automobile, and even cart and backpack-based implementations-all of which are empowering users to take lidar scanning to places it has never been before. While SLAM frees lidar from a tripod, it brings technical challenges, the biggest one being accuracy. This presentation is designed for both entry-level and experienced users of lidar and will discuss the factors that affect the accuracy of SLAM scanning. We'll go behind the scenes of a customer case study to explore HOW a SLAM-powered lidar scanner captures an environment, as well as how the technology involved in that process affects the accuracy of the final point cloud. We'll also explore the user factors that can affect accuracy and discuss best practices that can help ensure the best possible results. Like a total station used by a novice surveyor, a quality device alone isn't enough to ensure good data. Proper understanding, training, and technique are essential for creating an exceptional final client deliverable. At the conclusion of this presentation, audience members will have gained the following: 1. A basic understanding of SLAM 2. How the accuracy of a SLAM scanner is calculated 3. What drift is, how it occurs, and how to reduce it 4. An understanding of best practices and methods for improving accuracy 5. The value of training and education for users of a SLAM-based system


Amir Rubin


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