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- W2014718708 abstract "Abstract The design of robust vision based robot navigation behaviors remains a challenge in mobile robotics as it requires a coherent mapping between a complex visual perception and its associated robot motion. This contribution proposes a framework to learn this general relationship from a small set of representative demonstrations in which an expert manually navigates the robot through its environment. Behaviors are represented by a dynamic system that ties the perceptions to actions. The state of the behavioral dynamics is characterized by a small set of visual features extracted from an omnidirectional image of the local environment. Recording, learning and generalization takes place in the product space of visual features and robot controls. Training instances are recorded for three distinctive behaviors namely corridor following, obstacle avoidance and homing. Behavioral dynamics are represented as Gaussian mixture models, parameters of which are identified from the recorded demonstrations. The learned behaviors are able to accomplish the task across a diverse set of initial poses and situations. In order to realize global navigation, the behaviors are coordinated via hand designed arbitration or command fusion schemes. The experimental validation of the proposed approach confirms that the acquired visual navigation behaviors in cooperation accomplish robust navigation in indoor environments." @default.
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- W2014718708 date "2013-01-01" @default.
- W2014718708 modified "2023-09-26" @default.
- W2014718708 title "Acquisition of Behavioral Dynamics for Vision Based Mobile Robot Navigation from Demonstrations" @default.
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- W2014718708 doi "https://doi.org/10.3182/20130410-3-cn-2034.00045" @default.
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