| 摘要 |
<p>There is described a method of checking the authenticity of security documents, in particular banknotes, wherein authentic security documents comprise security features (41-49; 30; 10; 51, 52) printed, applied or otherwise provided on the security documents, which security features comprise characteristic visual features intrinsic to the processes used for producing the security documents. The method comprises the steps of digitally processing a sample image (c 0 ) of at least one region of interest (R.o.l.) of the surface of a candidate document to be authenticated, which digital processing includes performing one or more iterations (N) of a multiresolution analysis (MRA) of the sample image (c 0 ).</p> |
