FPGA Central

Hi,
I want to know the difference between "data hiding" , "steganography"
,"watermarking" ,"capsulation" related to DSP.
There r plenty of informaion about data hiding for images on the web
,but I'm looking for a GOOD keyword for searching "signal/speech data
hiding/steganography"...Do u have any suggestion about appropriate
keywords or websites?
thanQ so much 4 ur cares!
coOlwarrior

coolwarrior4ever wrote:
> Hi,
> I want to know the difference between "data hiding" , "steganography"
> ,"watermarking" ,"capsulation" related to DSP.
> There r plenty of informaion about data hiding for images on the web
> ,but I'm looking for a GOOD keyword for searching "signal/speech data
> hiding/steganography"...Do u have any suggestion about appropriate
> keywords or websites?
> thanQ so much 4 ur cares!
> coOlwarrior

Watermarking is a form of steganography. (Steganography means "hidden
writing".) Data hiding is a technique commonly associated with object-
oriented programming. Read http://users.erols.com/jyavins/procfaq.htm

Jerry
--
Engineering is the art of making what you want from things you can get.
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

coolwarrior4ever wrote:

> Hi,
> I want to know the difference between "data hiding" , "steganography"
> ,"watermarking" ,"capsulation" related to DSP.
> There r plenty of informaion about data hiding for images on the web
> ,but I'm looking for a GOOD keyword for searching "signal/speech data
> hiding/steganography"...Do u have any suggestion about appropriate
> keywords or websites?
> thanQ so much 4 ur cares!
> coOlwarrior


Watermarking is a form of steganography. (Steganography means "hidden
writing".) Data hiding is a technique commonly associated with object-
oriented programming. Read http://users.erols.com/jyavins/procfaq.htm

Jerry
--
Engineering is the art of making what you want from things you can get.
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

Jerry Avins wrote:

> coolwarrior4ever wrote:
>
> > Hi,
> > I want to know the difference between "data hiding" , "steganography"
> > ,"watermarking" ,"capsulation" related to DSP.
> > There r plenty of informaion about data hiding for images on the web
> > ,but I'm looking for a GOOD keyword for searching "signal/speech data
> > hiding/steganography"...Do u have any suggestion about appropriate
> > keywords or websites?
> > thanQ so much 4 ur cares!
> > coOlwarrior
>
>
> Watermarking is a form of steganography. (Steganography means "hidden
> writing".) Data hiding is a technique commonly associated with object-
> oriented programming. Read http://users.erols.com/jyavins/procfaq.htm
>
> Jerry

Watermarking isn't really steganography. The important quality of most
watermarking is that it is darned hard to rub out the watermark.
Although the watermark is not usually allowed to intrude, in most cases
nobody cares if you can see it is there. It some cases it is actually a
requirement you can always see it is there. In steganography the key
thing is that nobody, except the intended recipient, even knows there is
information present.

Regards,
Steve