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- W4297206721 abstract "In this paper, we propose an efficient frontier detector method based on adaptive Rapidly-exploring Random Tree (RRT) for autonomous robot exploration. Robots can achieve real-time incremental frontier detection when they are exploring unknown environments. First, our detector adaptively adjusts the sampling space of RRT by sensing the surrounding environment structure. The adaptive sampling space can greatly improve the successful sampling rate of RRT (the ratio of the number of samples successfully added to the RRT tree to the number of sampling attempts) according to the environment structure and control the expansion bias of the RRT. Second, by generating non-uniform distributed samples, our method also solves the over-sampling problem of RRT in the sliding windows, where uniform random sampling causes over-sampling in the overlap area between two adjacent sliding windows. In this way, our detector is more inclined to sample in the latest explored area, which improves the efficiency of frontier detection and achieves incremental detection. We validated our method in three simulated benchmark scenarios. The experimental comparison shows that we reduce the frontier detection runtime by about 40% compared with the SOTA method, DSV Planner." @default.
- W4297206721 created "2022-09-27" @default.
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- W4297206721 date "2022-04-13" @default.
- W4297206721 modified "2023-09-23" @default.
- W4297206721 title "Ada-Detector: Adaptive Frontier Detector for Rapid Exploration" @default.
- W4297206721 doi "https://doi.org/10.48550/arxiv.2204.06237" @default.
- W4297206721 hasPublicationYear "2022" @default.
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