Dear Colleagues, we would like to cordially invite you to the 2005 edition of the IEEE International Conference on Advanced Video and Signal based Surveillance which will be held on Sept. 15-16, 2005, in the beautiful city of Como, Italy. AVSS 2005 is an IEEE Computer Society Conference (co-sponsored by IEEE-SP society) completely devoted to signal and image analysis and processing for surveillance applications, including heterogeneous sensor processing and multisensor data fusion. The conference will include a special session devoted to enhanced security in public transportation, in which a panel of experts will award a prize to the best submitted solution. For more information on the AVSS dates and events, please visit our website http://www-dsp.elet.polimi.it/avss2005 A printer-friendly version of the call for papers can be found in http://www-dsp.elet.polimi.it/avss2005/PRELIM_call_for_papers.pdf Please notice that AVSS 2005 will begin the day after the conclusion of ICIP 2005 in Genova, from which Como can be easily reached (about 170 Km in 2h 45min by train). We are looking forward to welcoming you in Como. Best regards, Stefano Tubaro and Augusto Sarti Polytechnic of Milan Conference Chairs