Displaying 3 results from an estimated 3 matches for "wpc_transactionsjournal1".
2006 Sep 19
1
Exc CB Search very little Question
...[nb_subvect-1].
(that's actually what I am doing right now)
> Of course, there will be cases where all of the N-best match to the
> same checksum, but that's what error-correcting codes are for.
Yes, thats called Wet Paper Code writing
(http://www.ws.binghamton.edu/fridrich/Research/WPC_TransactionsJournal1.pdf).
It gives the Embedder the freedom to decide where something can be
embedded and where not without requiring that knowledge from the
receiver. Very interesting thing. Its origin is in hard disk fault
tolerance and its principles where documented several decades ago.
So my goal is right now, t...
2006 Sep 19
2
Exc CB Search very little Question
Hi,
Jean-Marc Valin wrote:
>> 1. What is the point in multiplying a codebook index with some number
>> ant adding a loop variable to it as done in the exc unquant function.
>> for (j=0;j<subvect_size;j++)
>> exc[subvect_size*i+j]+=s*0.03125*shape_cb[ind[i]*subvect_size+j];
>
> That's just how you represent a 2D array in C: the codebook has
2006 Sep 20
2
Denoiser level and AEC problem
...[nb_subvect-1].
(that's actually what I am doing right now)
> Of course, there will be cases where all of the N-best match to the
> same checksum, but that's what error-correcting codes are for.
Yes, thats called Wet Paper Code writing
(http://www.ws.binghamton.edu/fridrich/Research/WPC_TransactionsJournal1.pdf
).
It gives the Embedder the freedom to decide where something can be
embedded and where not without requiring that knowledge from the
receiver. Very interesting thing. Its origin is in hard disk fault
tolerance and its principles where documented several decades ago.
So my goal is right now,...