Visual-Inertial SLAM for GNSS-Denied Drone Mapping: An Emerging Technology for Autonomous Surveying

TECHNICAL SERIES | TECHNOLOGY INSIGHT – TN02

Authors

  • Ganeshkumar Baskar Principal Consultant, odaswa Geospatial & Research Services, Dindigul, Tamil Nadu, India

Keywords:

Visual-Inertial SLAM, VI-SLAM, UAV, GNSS-Denied Mapping, Visual-Inertial Odometry, Autonomous Surveying

Abstract

 Technology

Visual-Inertial Simultaneous Localization and Mapping (VI-SLAM)

Technology Domain

Computer Vision / Autonomous Navigation / Robotics

Application Area

GNSS-Denied UAV Mapping

Technology Status

Emerging / Active Research

Key Advantage

Simultaneous localization and environmental mapping without continuous GNSS

Current Challenge

Long-term drift, environmental robustness and absolute georeferencing

Future Potential

Autonomous surveying of tunnels, mines, forests, infrastructure and indoor environments

 

 

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Published

09.05.2026

How to Cite

Baskar, G. (2026). Visual-Inertial SLAM for GNSS-Denied Drone Mapping: An Emerging Technology for Autonomous Surveying: TECHNICAL SERIES | TECHNOLOGY INSIGHT – TN02. GRJESTM, 2(2), 336–340. Retrieved from https://odaswa.com/index.php/grjestm/article/view/68

Issue

Vol. 2 No. 2 (2026): Mar-Apr (2026) :: Technical Series | Technology Insight

Section

Articles

License

Copyright (c) 2026 Ganeshkumar Baskar

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.