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HOUDINI: Introducing Object Tracking and Pen Recognition for LLP Tabletops

  • Adrian Hülsmann
  • Julian Maicher
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8511)

Abstract

Tangible objects on a \tabletop offer a lot of different opportunities to interact with an application. Most of the current tabletops are built using optical tracking principles and especially LLP tabletops provide very good tracking results for touch input. In this paper we introduce HOUDINI as a method for LLP object tracking and pen recognition, which is based on three different sizes of touch points that help us to identify touch points belonging to fingers, objects and pens. As a result, the whole recognition process is performed at the level of touch information rather than frame by frame image analysis. This leads to a very efficient and reliable tracking, thus allowing the objects to be moved very fast without being lost.

Keywords

tabletop interactive surface object tracking LLP pen recognition 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Adrian Hülsmann
    • 1
  • Julian Maicher
    • 1
  1. 1.Department of Computer ScienceUniversity of PaderbornGermany

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