CoVidA: pen-based collaborative video annotation

  • Authors:
  • Tobias Zimmermann;Markus Weber;Marcus Liwicki;Didier Stricker

  • Affiliations:
  • German Research Center for Artificial Intelligence (DFKI) GmbH, Kaiserslautern;German Research Center for Artificial Intelligence (DFKI) GmbH, Kaiserslautern;German Research Center for Artificial Intelligence (DFKI) GmbH, Kaiserslautern;German Research Center for Artificial Intelligence (DFKI) GmbH, Kaiserslautern

  • Venue:
  • Proceedings of the 1st International Workshop on Visual Interfaces for Ground Truth Collection in Computer Vision Applications
  • Year:
  • 2012

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Abstract

In this paper, we propose a pen-based annotation tool for videos. Annotating videos is an exhausting task, but it has a great benefit for several communities, as labeled ground truth data is the foundation for supervised machine learning approaches. Thus, there is need for an easy-to-use tool which assists users with labeling even complex structures. For outlining and labeling the shape of an object, we introduce a pen-based interface which combines pen and touch input. In our experiments we show that especially for complex structures the usage of a pen device improves the effectiveness of the outlining process.