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February 28th, 2022
Emesent Hovermap ST sets survey grade standard for autonomous LiDAR mapping

Emesent today announced the launch of Hovermap ST, the latest version of their world-leading Hovermap autonomy and mapping payload. The tough, lightweight, IP65 rated Hovermap ST is being launched with Emesent’s new Automated Ground Control feature.


This powerful combination is poised to set the standard for survey grade autonomous LiDAR mapping in challenging environments.


Since its 2019 launch, Hovermap has made significant impacts in mining and other verticals, earning a reputation for its versatility, ease of use, and mapping data quality. With thousands of hours of autonomous flight logged by customers around the world, it is the most proven LiDAR mapping and autonomy solution for challenging GPS-denied environments.


Hovermap ST with the Autonomous Ground Control feature builds on this reputation with significant improvements, allowing autonomous data capture in even harsher environments and for a wider range of use cases.


“We’re excited to be providing our customers with a new robust and reliable autonomous mapping tool for challenging environments, including those that were previously not well suited to SLAM-based mapping,” said Emesent CEO and Co Founder Dr Stefan Hrabar.


Simultaneous localization and mapping (SLAM) based systems have proved their value for rapid mapping of complex environments, but achieving survey grade accuracy and repeatability has been a challenge in some environments. Surveyors were faced with a compromise between fast data capture and data accuracy, depending on the job requirements.


This is no longer the case with Hovermap ST and the Automated Ground Control feature, as the feature enhances the SLAM solution to remove SLAM drift and produce survey grade, georeferenced point clouds.


“This is a huge step forward for mobile mapping, providing unrivaled SLAM accuracy and workflow efficiencies,” said Dr Hrabar.


Emesent Ground Control targets are placed in the environment and captured in a continuous




(Emesent Hovermap ST sets survey grade standard for autonomous LiDAR mapping continued…)



scan with Hovermap ST. There is no need to stop or place Hovermap on the targets, ensuring the capture process remains as efficient as before. The targets are automatically detected by Emesent’s SLAM processing engine and used to both improve the SLAM result and automatically georeference the point cloud to the control points. The process includes automated constellation matching between detected targets and known survey coordinates, eliminating cumbersome manual work which can introduce errors.


Hovermap ST has been redesigned from the ground up with robustness and reliability in mind, without compromising mapping quality. It features a lightweight, IP65 weather sealed design, a powerful embedded computer for autonomy and mapping, and an accessory expansion port to further enhance its capabilities. The rotating LiDAR produces up to 600,000 points per second in dual return mode, covering a near spherical field of view.


Hovermap’s Tap-to-Fly autonomy feature enables Guided Exploration in previously inaccessible areas beyond line of sight and communication range. The omnidirectional Collision Avoidance and smart Return-To-Home functions ensure assets are kept safe and valuable equipment isn’t damaged or lost.


Equally capable above ground or underground, indoors or out, Hovermap ST’s unique plug and play design enables seamless switching between drone, walking, vehicle- or backpack-mounted scanning, providing the versatility needed to capture data anywhere.


This powerful combination of precision engineering, world-leading SLAM algorithms, and robust drone autonomy capabilities provide accurate LiDAR mapping for as-builts, surveys, or inspections.


Data capture experts worldwide have been using Hovermap to map challenging and dangerous environments, from the world’s deepest base-metal mine to oil and gas platforms in the North Sea.


Now, Hovermap ST with the automatic ground control feature will empower users to capture these environments and others, more accurately and faster than ever before.


Find out more about Hovermap ST and the automated ground control feature on the Emesent website.




About Emesent and Hovermap

Emesent’s vision is to be the World leaders in autonomous digitization of challenging, hard-to-reach places and assets. Founded in 2018, the company has since grown to more than 100 employees, with expertise in Robotics, AI, Machine Learning, and Data Analytics. Their flagship product, Hovermap, is a unique LiDAR mapping and autonomy payload which allows drones to fly autonomously in challenging GPS-denied environments to map and explore them.