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On-Line Sketch Recognition Using Direction Feature

  • Wei Deng
  • Lingda Wu
  • Ronghuan Yu
  • Jiazhe Lai
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8119)

Abstract

Sketch recognition is widely used in pen-based interaction, especially as the increasing popularity of devices with touch screens. It can enhance human-computer interaction by allowing a natural/free form of interaction. The main challenging problem is the variability in hand drawings. This paper presents an on-line sketch recognition method based on the direction feature. We also present two feature representations to train a classifier. We support our case by experimental results obtained from the NicIcon database. A recognition rate of 97.95% is achieved, and average runtime is 97.6ms using a Support Vector Machine classifier.

Keywords

Sketched symbol recognition NicIcon database multi-stroke shapes 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Wei Deng
    • 1
  • Lingda Wu
    • 1
  • Ronghuan Yu
    • 1
  • Jiazhe Lai
    • 1
  1. 1.Academy of EquipmentBeijingChina

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