Cerri, A.Ferri, M.Giorgi, D.Mike Chantler2016-02-112016-02-1120053-905673-57-6https://doi.org/10.2312/vvg.20051022We propose a new, effective system for Content Based trademark retrieval, which involves Size Functions. Three different classes of shape descriptors are combined, for a total amount of 25 measuring functions. The evaluation has been performed on a database of 1182 trademark images, provided by the UK Patent Office.10.2312/vvg.20051022167-172