Let be the secret message required to be hidden by source A(Lucie).
The watermarked vector y q is produced by quantizing each element of the host signal x with the quantizer indexed by the message bit to be hidden, i.e., y_{q,j}=Q_{j,b_{j}}(x_{j}),quad j=1,cdots,L (3).
The details of Dorothy Parker's life I only learned later, but all the counter-cultural messages seemed to be hidden in the subtext and I picked up, intuitively, on all that Mrs Parker (she was always called either Mrs Parker or Dottie) was expressing.
Our DNA and the DNA of other living things has long stretches of segments about which we understand little to nothing, he points out, so a message could be hidden there.
The K-bit message will be hidden in row by row and column by column according to the order suggested by the quad block.
Officials said one part of their analysis will be to discern whether there may be hidden messages or clues about a possible future attack against the United States.
One can search for messages in the digits of π or a Kazakhstan telephone book, but there may be hidden messages closer to home.
and a message bit is hidden by changing to.
