Embodied Language Acquisition: A Proof of Concept

  • Authors:
  • Aneesh Chauhan;Amanda Nascimento;Bruno Werneck;Luís Seabra Lopes

  • Affiliations:
  • IEETA, Universidade de Aveiro, Aveiro, Portugal 3810-193;Instituto de Computação, Universidade Estadual de Campinas, Campinas, Brasil 13083-970;Grupo Olimpo, Goiânia, Brasil 74223-230;IEETA, Universidade de Aveiro, Aveiro, Portugal 3810-193 and DETI, Universidade de Aveiro, Aveiro, Portugal 3810-193

  • Venue:
  • EPIA '09 Proceedings of the 14th Portuguese Conference on Artificial Intelligence: Progress in Artificial Intelligence
  • Year:
  • 2009

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Abstract

For robots to interact with humans at the language level, it becomes fundamental that robots and humans share a common language. In this paper, a social language grounding paradigm is adopted to teach a robotic arm basic vocabulary about objects in its environment. A human user, acting as an instructor, teaches the names of the objects present in their shared field of view. The robotic agent grounds these words by associating them to visual category descriptions. A component-based object representation is presented. An instance based approach is used for category representation. An instance is described by its components and geometric relations between them. Each component is a color blob or an aggregation of neighboring color blobs. The categorization strategy is based on graph matching. The learning/grounding capacity of the robot is assessed over a series of semi-automated experiments and the results are reported.