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Vision Sensor-Based Road Detection for Field Robot Navigation
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DOI：10.3390/s151129594.png)
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摘要
En 中文
Road detection is an essential component of field robot navigation systems. Vision sensors play an important role in road detection for their great potential in environmental perception. In this paper, we propose a hierarchical vision sensor-based method for robust road detection in challenging road scenes. More specifically, for a given road image captured by an on-board vision sensor, we introduce a multiple population genetic algorithm (MPGA)-based approach for efficient road vanishing point detection. Superpixel-level seeds are then selected in an unsupervised way using a clustering strategy. Then, according to the GrowCut framework, the seeds proliferate and iteratively try to occupy their neighbors. After convergence, the initial road segment is obtained. Finally, in order to achieve a globally-consistent road segment, the initial road segment is refined using the conditional random field (CRF) framework, which integrates high-level information into road detection. We perform several experiments to evaluate the common performance, scale sensitivity and noise sensitivity of the proposed method. The experimental results demonstrate that the proposed method exhibits high robustness compared to the state of the art.
Keyword:
robot navigation
road detection
MPGA
GrowCut
conditional random field
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期刊
IF:
3.5
论文数:
7.2W
被引数:
20.9W
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引用论文
RoadCompass: following rural roads with vision plus ladar using vanishing point tracking.png)
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