Now showing items 1-7 of 7

    • An audio watermarking algorithm via zero assigned filter banks 

      Yücel, Zeynep; Özgüler, A. Bülent (IEEE, 2005)
      In order to identify the owner and distributor of digital data, a watermarking scheme for audio files is proposed in frequency domain. The scheme satisfies the imperceptibility and persistence requirements and is robust ...
    • Computer vision based behavior analysis 

      Yücel, Zeynep (Bilkent University, 2009)
      In this thesis, recognition and understanding of behavior based on visual inputs and automated decision schemes are investigated. Behavior analysis is carried out on a wide scope ranging from animal behavior to human ...
    • Cylindrical model based head pose estimation for drivers 

      Yücel, Zeynep; Valenti, R.; Sebe, N. (IEEE, 2009)
      The application of action recognition algorithms onto driving safety systems is still an open area of research. In terms of driving safety, identification of head movements present more significant information in comparison ...
    • Detection of epileptic indicators on clinical subbands of EEG 

      Yücel, Zeynep; Özgüler, A. Bülent (IEEE, 2008-08)
      Symptoms of epilepsy, which is characterized by abnormal brain electrical activity, can be observed on electroencephalography (EEG) signal. This paper employs models of chaotic measures on standard clinical subbands of EEG ...
    • EEG işareti üzerinde sara ataklarının ve sara belirtisi işaretlerin bulunması 

      Yücel, Zeynep; Özgüler, A. Bülent (2008-04)
      Symptoms of epilepsy, which is characterized by abnormal brain electrical activity, can be observed on electroencephalography (EEG) signal. This paper employs models of chaotic measures of EEG and aims to help detection ...
    • Joint visual attention modeling for naturally interacting robotic agents 

      Yücel, Zeynep; Salah, A. A.; Meriçli, C.; Meriçli, T. (IEEE, 2009-09)
      This paper elaborates on mechanisms for establishing visual joint attention for the design of robotic agents that learn through natural interfaces, following a developmental trajectory not unlike infants. We describe first ...
    • Watermarking via zero assigned filter banks 

      Yücel, Zeynep (Bilkent University, 2005)
      A watermarking scheme for audio and image files is proposed based on wavelet decomposition via zero assigned filter banks. Zero assigned filter banks are perfect reconstruction, conjugate quadrature mirror filter banks ...