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Real-Time Hierarchical Map Segmentation for Coordinating Multirobot Exploration
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DOI：10.1109/ACCESS.2022.3171925.png)
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Abstract
En 中文
Coordinating a team of autonomous agents to explore an environment can be done by partitioning the map of the environment into segments and allocating the segments as targets for the individual agents to visit. However, given an unknown environment, map segmentation must be conducted in a continuous and incremental manner. In this paper, we propose a novel real-time hierarchical map segmentation method for supporting multi-agent exploration of indoor environments, wherein clusters of regions of segments are formed hierarchically from randomly sampled points in the environment. Each cluster is then assigned with a cost-utility value based on the minimum cost possible for the agents to visit. In this way, map segmentation and target allocation can be performed continually in real-time to efficiently explore the environment. To evaluate our proposed model, we conduct extensive experiments on map segmentation and multi-agent exploration. The results show that the proposed method can produce more accurate and meaningful segments leading to a higher level of efficiency in exploring the environment. Furthermore, the robustness tests by adding noises to the environments were conducted to simulate the performance of our model in the real-world environment. The results demonstrate the robustness of our model in map segmentation and multi-agent environment exploration.
Keywords:
Resource management
Task analysis
Real-time systems
Costs
Transforms
Indoor environment
Deep learning
Autonomous agents
intelligent agents
multi-agent systems
agent-based modeling
image segmentation
Journal
IF:
3.6
Papers:
9.8W
Citations:
29.4W