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Continual SLAM: Beyond Lifelong Simultaneous Localization and Mapping through Continual Learning

2022-03-03 09:03:48
Niclas Vödisch, Daniele Cattaneo, Wolfram Burgard, Abhinav Valada

Abstract

While lifelong SLAM addresses the capability of a robot to adapt to changes within a single environment over time, in this paper we introduce the task of continual SLAM. Here, a robot is deployed sequentially in a variety of different environments and has to transfer its knowledge of previously experienced environments to thus far unseen environments, while avoiding catastrophic forgetting. This is particularly relevant in the context of vision-based approaches, where the relevant features vary widely between different environments. We propose a novel approach for solving the continual SLAM problem by introducing CL-SLAM. Our approach consists of a dual-network architecture that handles both short-term adaptation and long-term memory retention by incorporating a replay buffer. Extensive evaluations of CL-SLAM in three different environments demonstrate that it outperforms several baselines inspired by existing continual learning-based visual odometry methods. The code of our work is publicly available at this http URL.

Abstract (translated)

URL

https://arxiv.org/abs/2203.01578

PDF

https://arxiv.org/pdf/2203.01578.pdf


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