Now showing items 1-2 of 2

  • Data hidding in color images using perceptual models 

    Vidal Manzano, José; Sayrol Clols, Elisa; Madueño Ruíz, María Isabel (Christian Germain, Eric Grivel, Olivier Lavialle, 2000)
    Conference report
    Open Access
    One of the problems arising from the use of digital media is the ease of identical copies of digital images or audio files, allowing manipulation and unauthorized use. Copyright is an effective tool for preserving ...
  • Joint physical-MAC layer design of the broadcast channel protocol in adhoc networks 

    Madueño Ruíz, María Isabel; Vidal Manzano, José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-01-31)
    Article
    Open Access
    Broadcast transmission mode in ad hoc networks is critical to manage multihop routing or providing medium access control (MAC)-layer fairness. In this paper, it is shown that a higher capacity to exchange information ...