Conference paper
Effective and ineffective digital watermarks
Fred Mintzer, Gordon Braudaway, et al.
ICIP 1997
Conditions are given for a two-band multirate filter bank to be alias free and to have a unity frequency response. It is shown that the class of quadrature mirror filters (QMFs) that satisfies these conditions is quite limited. A class of filters that does satisfy these conditions is given, and a simple procedure for designing filters from this class is presented with an example.
Fred Mintzer, Gordon Braudaway, et al.
ICIP 1997
Albert Cazes, Gordon Braudaway, et al.
Proceedings of SPIE - The International Society for Optical Engineering
Albert Cazes, Fred Mintzer
IS&T/SPIE Electronic Imaging 2001
Gordon Braudaway, Fred Mintzer, et al.
SPIE Photonics West 2001