Paulo Dias,
Angela Pimentel,
Carlos Ferreira,
Frank van Huussen,
Jan-Willem Baggerman,
Pauline van der Horst,
Joaquim Madeira,
Rafael Bidarra,
Beatriz Sousa Santos
Proceedings of 19th IS&T/SPIE Electronic Imaging 2007 Symposium, Vol. 6490, 64901I - jan 2007