Advances on watershed processing on GPU architecture

  • Authors:
  • Andrá Körbes;Giovani Bernardes Vitor;Roberto de Alencar Lotufo;Janito Vaqueiro Ferreira

  • Affiliations:
  • University of Campinas, School of Electrical and Computer Engineering, Campinas - SP, Brazil;University of Campinas, School of Mechanical Engineering, Campinas - SP, Brazil;University of Campinas, School of Electrical and Computer Engineering, Campinas - SP, Brazil;University of Campinas, School of Mechanical Engineering, Campinas - SP, Brazil

  • Venue:
  • ISMM'11 Proceedings of the 10th international conference on Mathematical morphology and its applications to image and signal processing
  • Year:
  • 2011

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Abstract

This paper presents an overview on the advances of watershed processing algorithms executed on GPU architecture. The programming model, memory hierarchy and restrictions are discussed, and its influence on image processing algorithms detailed. The recently proposed algorithms of watershed transform for GPU computation are examined and briefly described. Its implementations are analyzed in depth and evaluations are made to compare them both on the GPU, against a CPU version and on two different GPU cards.