Istituto per le Applicazioni del Calcolo "M. Picone"
National Council of Research (C. N. R.)
Viale del Policlinico, 137
I.M.A. - University of Minnesota
400 Lind Hall, 207 Church Street S.E.
This paper focuses on a novel framework for information retrieval of images based only on color information. Regions homogeneous in color of the input image are detected using a multiresolution analysis. In order to avoid the selection of regions having similar color, a new clustering scheme, based on repulsion between electric charges, is proposed. The resulting model is completely automatic and achieves good results in terms of computational time and performances.