Mixing images and sketches for retrieving vector drawings

  • Authors:
  • Alfredo Ferreira;Manuel J. Fonseca;Joaquim A. Jorge;Mário Ramalho

  • Affiliations:
  • INESC-ID/IST/Technical University of Lisbon, Lisboa, Portugal;INESC-ID/IST/Technical University of Lisbon, Lisboa, Portugal;INESC-ID/IST/Technical University of Lisbon, Lisboa, Portugal;DEM/IST/Technical University of Lisbon, Lisboa, Portugal

  • Venue:
  • EGMM'04 Proceedings of the Seventh Eurographics conference on Multimedia
  • Year:
  • 2004

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Abstract

Current approaches to content-based retrieval of multimedia data usually rely either on query by example or on sketches of the desired image, but not on both. In this paper, we propose a new query specification scheme, where digital images are combined with sketches, after vectorization, taking advantage of both methods. We selected a set of algorithms to perform image vectorization, taking into account the trade-off between vector image quality and processing time. This method of specifying queries is part of a system to retrieve vector drawings, which we briefly describe in this paper.