• DocumentCode
    105063
  • Title

    Optimizing Superpixel Clustering for Real-Time Egocentric-Vision Applications

  • Author

    Morerio, Pietro ; Georgiu, Gabriel Claudiu ; Marcenaro, Lucio ; Regazzoni, Carlo

  • Author_Institution
    Dept. of Electr., Electron., Telecommun. Eng. & Naval Archit. (DITEN), Univ. of Genova, Genoa, Italy
  • Volume
    22
  • Issue
    4
  • fYear
    2015
  • fDate
    Apr-15
  • Firstpage
    469
  • Lastpage
    473
  • Abstract
    In this work, we propose a strategy for optimizing a superpixel algorithm for video signals, in order to get closer to real time performances which are on the one hand needed for egocentric vision applications and on the other must be bearable by wearable technologies. Instead of applying the algorithm frame by frame, we propose a technique inspired to Bayesian filtering and to video coding which allows to re-initialize superpixels using the information from the previous frame. This results in faster convergence and demonstrates how performances improve with respect to the standard application of the algorithm from scratch at each frame.
  • Keywords
    belief networks; computer vision; filtering theory; image resolution; video coding; Bayesian filtering; real-time egocentric-vision applications; superpixel clustering algorithm; video coding; video signals; wearable technologies; Algorithm design and analysis; Bayes methods; Clustering algorithms; Convergence; Image segmentation; Real-time systems; Signal processing algorithms; Bayesian Filtering; egocentric vision; first-person vision; optimization; superpixel; video analysis;
  • fLanguage
    English
  • Journal_Title
    Signal Processing Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1070-9908
  • Type

    jour

  • DOI
    10.1109/LSP.2014.2362852
  • Filename
    6920066