Review
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Application of Event Cameras and Neuromorphic Computing to VSLAM: A Survey
Version 1
: Received: 16 May 2024 / Approved: 16 May 2024 / Online: 16 May 2024 (13:42:12 CEST)
How to cite: Tenzin, S.; Rassau, A.; Chai, D. Application of Event Cameras and Neuromorphic Computing to VSLAM: A Survey. Preprints 2024, 2024051094. https://doi.org/10.20944/preprints202405.1094.v1 Tenzin, S.; Rassau, A.; Chai, D. Application of Event Cameras and Neuromorphic Computing to VSLAM: A Survey. Preprints 2024, 2024051094. https://doi.org/10.20944/preprints202405.1094.v1
Abstract
Simultaneous Localization and Mapping (SLAM) is a crucial function for most autonomous systems, allowing them to both navigate through and create maps of unfamiliar surroundings. Traditional Visual SLAM, also commonly known as VSLAM, relies on frame-based cameras and structured processing pipelines, which face challenges in dynamic or low-light environments. However, recent advancements in event camera technology and neuromorphic processing offer promising opportunities to overcome these limitations. Event cameras inspired by biological vision systems capture the scenes asynchronously consuming minimal power but with higher temporal resolution. Neuromorphic processors, which are designed to mimic the parallel processing capabilities of the human brain, offer efficient computation for real-time data processing of event-based data streams. This paper provides a comprehensive overview of recent research efforts in integrating event cameras and neuromorphic processors into VSLAM systems. It discusses the principles behind event cameras and neuromorphic processors, highlighting their advantages over traditional sensing and processing methods. Furthermore, an in-depth survey was conducted on state-of-the-art approaches in event-based SLAM, including feature extraction, motion estimation, and map reconstruction techniques. Additionally, the integration of event cameras with neuromorphic processors, focusing on their synergistic benefits in terms of energy efficiency, robustness, and real-time performance was explored. The paper also discusses the challenges and open research questions in this emerging field, such as sensor calibration, data fusion, and algorithmic development. Finally, the potential applications and future directions for event-based SLAM systems are outlined, ranging from robotics and autonomous vehicles to augmented reality.
Keywords
Simultaneous localization and mapping (SLAM); event camera; neuromorphic processing; robotics; autonomous systems; sensor fusion; real-time processing; machine vision
Subject
Engineering, Electrical and Electronic Engineering
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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