Initial approaches for extending sketch recognition to beyond-surface environments

  • Authors:
  • Paul Taele;Tracy Hammond

  • Affiliations:
  • Texas A&M University (TAMU), College Station, Texas, USA;Texas A&M University, College Station, Texas, USA

  • Venue:
  • CHI '12 Extended Abstracts on Human Factors in Computing Systems
  • Year:
  • 2012

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Abstract

Sketch recognition researchers have long concentrated their energies on investigating issues related to computer systems' difficulties in recognizing hand-drawn diagrams, but the focus has largely been on recognizing sketches on physical surfaces. While beyond-surface sketching actively takes place in diverse forms and in various activities, directly applying existing on-surface sketch recognition techniques beyond physical surfaces is far from trivial. In this paper, we investigate initial approaches for locating corners and extracting primitive geometric shapes in beyond-surface sketches, which are important ingredients of subsequent higher-level interpretations for building richer sketching interfaces. Moreover, we investigate preliminary challenges of sketch recognition in beyond-surface environments and discuss possible solutions for achieving successful next-step extensions of this work.