Prof. Karen Egiazarian,

Institute of Signal Processing, Tampere University of Technology,

P.O.Box 553, FIN - 33101 Tampre, FINLAND

phone: +358 3 3115 3860; fax: +358 3 3115 3087;

Atanas Gotchev,

Institute of Signal Processing, Tampere University of Technology,

P.O.Box 553, FIN - 33101 Tampere, FINLAND

phone: +358 3 3115 4349; fax: +358 3 3115 3817;