Exact(7)
For a given payload, the sharpest possible edges are selected to embed the message.
In [12], the maximal number of locked positions, without failing to embed the message, is experimentally estimated to be.
The key idea is to use some syndrome computation to embed the message into the cover-data.
We use the cosets of a GRS code to embed the message, finding a vector in the proper coset, close enough to.
The system makes use of the 4 last bits of a snapshot image taken by the camera phone to embed the message and then send it using a carrier medium such as MMS or Bluetooth.
Some areas of the image could not be suitable to embed the message (e.g., a periodic texture, a sharp area, and so forth where changes could be more detectable), but a first-order statistic modeling is not able to discriminate such areas.
Similar(52)
The sender can embed the messages adaptively with the cover-medium to minimize the distortion, and the receiver can extract the messages without being aware of the sender choices.
Recall that a word embeds the message if.
Instead, embedding the message in DCT domain permits to avoid this issue.
The objective of any steganographic technique is to preserve these properties while embedding the message in the cover media.
In steganography, whatever the used algorithm for hiding data, we need to reconstruct the speech signals after embedding the message in the original signal.
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Justyna Jupowicz-Kozak
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