Shape Normalizing and Tracking Dancing Worms

  • Carmine Sansone
  • Daniel PucherEmail author
  • Nicole M. ArtnerEmail author
  • Walter G. Kropatsch
  • Alessia Saggese
  • Mario Vento
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10029)


During spawning, the marine worms Platynereis dumerilii exhibit certain swimming behaviors, which are described as nuptial dance. To address the hypothesis that characteristic male and female spawning behaviors are required for successful spawning and fertilization, we propose a 2D tracking approach enabling the extraction of spatio-temporal data to quantify gender-specific behaviors. One of the main issues is the complex interaction between the worms leading to collisions, occlusions, and interruptions of their continuous trajectories. To maintain the individual identities under these challenging interactions a combined tracking and re-identification approach is proposed. The re-identification is based on a set of features, which take into account position, shape and appearance of the worms. These features include the normalized shape of a worm, which is computed using a novel approach based on its distance transform and skeleton.


Object tracking Appearance models Shape normalization Shape analysis 



The authors thank Stephanie Bannister from the Max F. Perutz Laboratories GmbH for valuable discussions and providing videos of the spawning worms.


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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  • Carmine Sansone
    • 1
    • 2
  • Daniel Pucher
    • 1
    Email author
  • Nicole M. Artner
    • 1
    Email author
  • Walter G. Kropatsch
    • 1
  • Alessia Saggese
    • 2
  • Mario Vento
    • 2
  1. 1.Pattern Recognition and Image Processing GroupTU WienViennaAustria
  2. 2.Department of Information Engineering, Electrical Engineering and Applied Mathematics (DIEM), Faculty of EngineeringUniversity of SalernoFiscianoItaly

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