Inventor

WIRTZ BRIGITTE

DE8 patents

⚠️ This page may combine multiple inventors who share the name “WIRTZ BRIGITTE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIEMENS AG

5 patents

US5751843AMay 12, 1998

Method for detecting the spatial position and rotational position of suitably marked objects in digital image sequences

SIEMENS AG55 citations94

US5802200ASep 1, 1998

Method for determining a reference autograph character string on the basis of a set of sample autograph character strings from the same writer

SIEMENS AG24 citations91

US5730468AMar 24, 1998

Method for the dynamic verification of an autograph character string on the basis of a reference autograph character string

SIEMENS AG22 citations91

US5533177AJul 2, 1996

Method for detecting and estimating the spatial position of objects from a two-dimensional image

SIEMENS AG39 citations86

US6356650B1Mar 12, 2002

Method for computer-adaptation of a reference data set on the basis of at least one input data set

SIEMENS AG18 citations82

INFINEON TECHNOLOGIES AG

3 patents

US7133541B2Nov 7, 2006

Method for analyzing fingerprint images

INFINEON TECHNOLOGIES AG17 citations81

US6990218B2Jan 24, 2006

Method for disturbance-component-free image acquisition by an electronic sensor

INFINEON TECHNOLOGIES AG7 citations72

US7215798B2May 8, 2007

Method for forgery recognition in fingerprint recognition by using a texture classification of gray scale differential images

INFINEON TECHNOLOGIES AG6 citations56