[WM]: Regarding Code Modulation and ACC

["JOHN LEONG" <leptonleong@gmail.com>]

Dear Sir/Madam,

 

Recently I have gone through an technical paper namely "Anti-collusion Fingerprinting for Multimedia, Wade Trappe, Member, IEEE, MinWu, Member, IEEE , Z. JaneWang, Member, IEEE, and K. J. Ray Liu , Fellow, IEEE".

Inside the paper, it did mention about using code modulation and anti-collusion code for watermarking embedding. There are two things confuse me are:

 

1. For code modulation, what is the working based or domain it operate with? Is it DWT or Spatial domain? and how?

 

2. For anti-collusion code (ACC), I wonder how do generate a large amount of watermark signal for used?

 

Hope if you could help me clear my mist. Thank you a lot!

 

Warmest Regards,

CF Leong