China University of Technology

Displaying 1-2 of 2 results

  • White Papers // Apr 2011

    Reversible Data Hiding Exploiting Variance in Wavelet Coefficients

    In this paper, the authors present a new reversible data hiding scheme that utilizes the wavelet transform and better exploits the large wavelet coefficient variance to achieve high capacity and imperceptible embedding. Their scheme differs from those of previous studies in that the wavelet coefficients histogram rather than the gray-level...

    Provided By China University of Technology

  • White Papers // Apr 2010

    Relay-Assisted Partial Packet Recovery With IDMA Method in CDMA Wireless Network

    Automatic Repeat Request (ARQ) is an effective technique for reliable transmission of packets in wireless networks. In ARQ, however, only a few erroneous bits in a packet will cause the entire packet to be discarded at the receiver. In this case, it's wasteful to retransmit the correct bit in the...

    Provided By China University of Technology

  • White Papers // Apr 2011

    Reversible Data Hiding Exploiting Variance in Wavelet Coefficients

    In this paper, the authors present a new reversible data hiding scheme that utilizes the wavelet transform and better exploits the large wavelet coefficient variance to achieve high capacity and imperceptible embedding. Their scheme differs from those of previous studies in that the wavelet coefficients histogram rather than the gray-level...

    Provided By China University of Technology

  • White Papers // Apr 2010

    Relay-Assisted Partial Packet Recovery With IDMA Method in CDMA Wireless Network

    Automatic Repeat Request (ARQ) is an effective technique for reliable transmission of packets in wireless networks. In ARQ, however, only a few erroneous bits in a packet will cause the entire packet to be discarded at the receiver. In this case, it's wasteful to retransmit the correct bit in the...

    Provided By China University of Technology