• DocumentCode
    2118175
  • Title

    Integration of active learning in a collaborative CRF

  • Author

    Martinez, Oscar ; Tsechpenakis, Gabriel

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Univ. of Miami, Coral Gables, FL
  • fYear
    2008
  • fDate
    23-28 June 2008
  • Firstpage
    1
  • Lastpage
    8
  • Abstract
    We present an active learning approach for visual multiple object class recognition, using a conditional random field (CRF) formulation. We name our graphical model dasiacollaborativepsila, because it infers class posteriors in in stances of occlusion and missing information by assessing the joint appearance and geometric assortment of neighboring sites. The model can handle scenes containing multiple classes and multiple objects inherently while using the confidence of its predictions to enforce label uniformity in areas where evidence supports similarity. Our method uses classification uncertainty to dynamically select new training samples to retrain the discriminative classifiers used in the CRF. We demonstrate the performance of our approach using cluttered scenes containing multiple objects and multiple class instances.
  • Keywords
    computer graphics; image classification; image recognition; learning (artificial intelligence); active learning approach; classification uncertainty; conditional random field; occlusion; visual multiple object class recognition; Character generation; Collaboration; Computer vision; Graphical models; Layout; Object detection; Object recognition; Predictive models; Robustness; Uncertainty;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Computer Vision and Pattern Recognition Workshops, 2008. CVPRW '08. IEEE Computer Society Conference on
  • Conference_Location
    Anchorage, AK
  • ISSN
    2160-7508
  • Print_ISBN
    978-1-4244-2339-2
  • Electronic_ISBN
    2160-7508
  • Type

    conf

  • DOI
    10.1109/CVPRW.2008.4563066
  • Filename
    4563066