Encyclopedia of Database Systems

2018 Edition
| Editors: Ling Liu, M. Tamer Özsu

Two-Dimensional Shape Retrieval

  • Lei ChenEmail author
  • Xiaofang Zhou
Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-8265-9_3


Shape is an important image feature, it is the geometrical information of an object after removing position, scale and rotational effects [3]. A shape is often represented by the contour map extracted from the images. Given a query 2D shape, 2D shape retrieval retrieves a ranked list of similar 2D shapes from a collection of 2D polygonal models (contour points) based on the shape characteristics.

(Fig. 1) gives an example object shapes, which are represented by the extracted contour maps.
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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Hong Kong University of Science and TechnologyHong KongChina
  2. 2.School of Information Technology and Electrical EngineeringUniversity of QueenslandBrisbaneAustralia

Section editors and affiliations

  • Xiaofang Zhou
    • 1
  1. 1.School of Inf. Tech. & Elec. Eng.Univ. of QueenslandBrisbaneAustralia