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As robots begin to collaborate with humans in everyday workspaces, they will need to understand the functions of tools and their parts. To cut an apple or hammer a nail, robots need to not just know the tool's name, but they must localize the tool's parts and identify their functions. Intuitively, the geometry of a part is closely related to its possible functions, or its affordances. Therefore, we...
Our premise is that actions of manipulation are represented at multiple levels of abstraction. At the high level a grammatical structure represents symbolic information (objects, actions, tools, body parts) and their interaction in a temporal sequence, and at lower levels the symbolic quantities are grounded in perception. In this paper we create symbolic high-level representations in the form of...
There has been a recent interest in utilizing contextual knowledge to improve multi-label visual recognition for intelligent agents like robots. Natural Language Processing (NLP) can give us labels, the correlation of labels, and the ontological knowledge about them, so we can automate the acquisition of contextual knowledge. In this paper we show how to use tools from NLP in conjunction with Vision...
For robots of the future to interact seamlessly with humans, they must be able to reason about their surroundings and take actions that are appropriate to the situation. Such reasoning is only possible when the robot has knowledge of how the World functions, which must either be learned or hard-coded. In this paper, we propose an approach that exploits language as an important resource of high-level...
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