ERCIM News No.40 - January 2000

International Workshop on Fundamental Structural Properties in Image and Pattern Analysis 1999

by Dmitry Chetverikov and Tamás Szirányi

The International Workshop on Fundamental Structural Properties in Image and Pattern Analysis, FSPIPA’99, organized by SZTAKI, was held in Budapest, Hungary, on September 6-7, 1999, in conjunction with the 8th International Conference on Computer Analysis of Images and Patterns (Ljubljana, Slovenia).

The workshop provided a forum for discussing the interrelations between image structures and the real world that digital images describe, by addressing major problems and results related to the role of symmetry, self-similarity, anisotropy, regularity and structural complexity in computer vision and human perception.

After careful selection, 14 regular papers were accepted for presentation by the Programme Committee (Alfred Bruckstein, Israel; Dmitry Chetverikov, Hungary; Xavier Descombes, France; Touradj Ebrahimi, Switzerland, Luc Florack, The Netherlands; Walter Kropatsch, Austria; Tony Lindeberg, Sweden; Gerald Sommer, Germany and Tamás Szirányi,Hungary).

These regular contributions, as well as two of the three invited papers appeared as full-length papers in the workshop proceedings, published by the Oesterreichische Computer Gesellschaft (OCG, The Austrian Computer Society) under the title ‘Fundamental Structural Properties in Image and Pattern Analysis 1999’, edited by Dmity Chetverikov and Tamás Szirányi, in the series ‘Schrifttenreihe der OCG’, Band 130, ISBN 3-85403-130-0.

The studies were devoted to various theoretical and practical aspects of symmetry, anisotropy, regularity, self-similarity, scale-space, closure and other fundamental structural features of the visual world.

In his invited talk entitled ‘Automatic Scale Selection for Interpreting Visual Data’, Tony Lindeberg from the Royal Institute of Technology, Stockholm, pointed out that a fundamental property of visual objects is the property of being distinct over certain ranges of scale. Hagit Zabrodsky Hel-Or, Haifa University, devoted her invited lecture to symmetry as another basic structural property of two- and three-dimensional shapes and objects. Dietmar Saupe, University of Leipzig, gave an invited talk on image model in fractal coding. The property of self-similarity was investigated by Alfred Bruckstein, Technion, Haifa, who discussed the self-similar image sampling schemes.

A distinct group of regular contributions was devoted to the classical problems of visual object decomposition into structurally meaningful parts, on one hand, and grouping of structural elements into objects, on the other. In particular, it was pointed out that closure, that is, the property of being closed, is a basic structural property of visual entities perceived as distinct objects.

The participants of FSPIPA’99 shared the opinion that the workshop was a small but highly professional, useful and friendly, purely scientific event free of commercial spirit.

FSPIPA’99 was sponsored by the ERCIM, the International Association for Pattern Recognition (IAPR), the Hungarian National Committee for Technological Development (OMFB), the Hungarian Academy of Sciences, and the Hungarian Association for Image Analysis and Pattern Recognition. Their support is acknowledged with sincere gratitude. In particular, the support of the main sponsor, ERCIM, made possible the invitation of the three distinguished invited speakers. SZTAKI has greatly contributed by providing all facilities. We would like to thank Péter Inzelt, Director of SZTAKI, for his help.


FSPIPA’99 workshop web page:

Please contact:

Dmitry Chetverikov -SZTAKI
Tel: +36 1 209 5355

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