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Terrain Understanding for Robot Navigation
| 题名： | Terrain Understanding for Robot Navigation |
| 作者： | Karlsen, Robert E;Witus, Gary; |
| 关键词： | robot；terra；ding；stan；appearance；andi；interaction；characteristics；clusterin；forecast |
| 摘要： | This paper presents a method to forecast terrain trafficability from visual appearance. During training, the system identifies a set of image chips (or exemplars) that span the range of terrain appearance. Each chip is assigned a vector tag of vehicle-terrain interaction characteristics that are obtained from on-board sensors and simple performance models, as the vehicle traverses the terrain. The system uses the exemplars to segment images into regions, based on visual similarity to the terrain patches observed during training, and assigns the appropriate vehicle-terrain interaction tag to them. This methodology will therefore allow the online forecasting of vehicle performance on upcoming terrain. Currently, we are using fuzzy c-means clustering and exploring a number of different features for characterizing the visual appearance of the terrain. |
| 总页数： | 7 Pages(s) |
| 报告类型： | 科技报告 |
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