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LS3D: LEGO Search Combining Speech and Stereoscopic 3D

Author

Listed:
  • Pedro B. Pascoal

    (INESC-ID/Técnico Lisboa, Universidade de Lisboa, Lisboa, Portugal)

  • Daniel Mendes

    (INESC-ID/Técnico Lisboa, Universidade de Lisboa, Lisboa, Portugal)

  • Diogo Henriques

    (INESC-ID/Técnico Lisboa, Universidade de Lisboa, Lisboa, Portugal)

  • Isabel Trancoso

    (INESC-ID/Técnico Lisboa, Universidade de Lisboa, Lisboa, Portugal)

  • Alfredo Ferreira

    (INESC-ID/Técnico Lisboa, Universidade de Lisboa, Lisboa, Portugal)

Abstract

The number of available 3D digital objects has been increasing considerably. As such, searching in large collections has been subject of vast research. However, the main focus has been on algorithms and techniques for classification, indexing and retrieval. While some works have been done on query interfaces and results visualization, they do not explore natural interactions. The authors propose a speech interface for 3D object retrieval in immersive virtual environments. As a proof of concept, they developed the LS3D prototype, using the context of LEGO blocks to understand how people naturally describe such objects. Through a preliminary study, it was found that participants mainly resorted to verbal descriptions. Considering these descriptions and using a low cost visualization device, the authors developed their solution. They compared it with a commercial application through a user evaluation. Results suggest that LS3D can outperform its contestant, and ensures better performance and results perception than traditional approaches for 3D object retrieval.

Suggested Citation

  • Pedro B. Pascoal & Daniel Mendes & Diogo Henriques & Isabel Trancoso & Alfredo Ferreira, 2015. "LS3D: LEGO Search Combining Speech and Stereoscopic 3D," International Journal of Creative Interfaces and Computer Graphics (IJCICG), IGI Global, vol. 6(2), pages 18-36, July.
    • Handle: RePEc:igg:jcicg0:v:6:y:2015:i:2:p:18-36
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