Preface
IbPRIA 2005 (Iberian Conference on Pattern Recognition and Image Analysis) was the
second of a series of conferences jointly organized every two years by the Portuguese
and Spanish Associations for Pattern Recognition (APRP, AERFAI), with the support
of the International Association for Pattern Recognition (IAPR).
This year, IbPRIA was hosted by the Institute for Systems and Robotics and the
Geo-systems Center of the Instituto Superior T´ecnico and it was held in Estoril, Portu-
gal. It provided the opportunity to bring together researchers from all over the world to
discuss some of the most recent advances in pattern recognition and all areas of video,
image and signal processing.
There was a very positive response to the Call for Papers for IbPRIA 2005. We re-
ceived 292 full papers from 38 countries and 170 were accepted for presentation at the
conference. The high quality of the scientific program of IbPRIA 2005 was due first to
the authors who submitted excellent contributions and second to the dedicated collabo-
ration of the international Program Committee and the other researchers who reviewed
the papers. Each paper was reviewed by two reviewers, in a blind process. We would
like to thank all the authors for submitting their contributions and for sharing their re-
search activities. We are particularly indebted to the Program Committee members and
to all the reviewers for their precious evaluations, which permitted us to set up this
publication.
We were also very pleased to benefit from the participation of the invited speakers
Prof. David Lowe, University of British Columbia (Canada), Prof. Wiro Niessen, Uni-
versity of Utrecht (The Netherlands) and Prof. Isidore Rigoutsos, IBM Watson Research
Center (USA). We would like to express our sincere gratitude to these world-renowned
experts.
We would like to thank Prof. Jo˜ao Sanches and Prof. Jo˜ao Paulo Costeira of the
Organizing Committee, in particular for the management of the Web page and the sub-
mission system software.
Finally, we were very pleased to welcome all the participants who attended IbPRIA
2005. We are looking forward to meeting you at the next edition of IbPRIA, in Spain in
2007.
Estoril, June 2005 Jorge S. Marques
Nicol´as P´erez de la Blanca
Pedro Pina
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