GENERATION OF A PRINTED IMPRINTED FOOTPRINT IMAGE OF A SERIES OF INDIVIDUAL IMAGES.

摘要

Procedure for electronically taking an image (50, 51, 52, 53, 54, 55) represented as a function G (x, y) of the surface of an object, with x and y being the coordinates of a respective image element of the image (50, 51, 52, 53, 54, 55), and designating G its achromatic value, in which the object is taken sequentially at different times you with you + 1 you, from different perspectives as a Gi function, to form the global image G from the individual images Gi (x, y) such as when a finger (8) is stamped for the taking of a fingerprint, in which fragments of the individual images are cut respectively, which will be joined with dependence on the view taken respectively, characterized in that a curved cutting line (76) is determined to determine the fragments of each of the images except those of the first image Gi, through comparison with the image content of the image Gi- 1 taken or composed, with which is limited e The image fragment Gi-1 (50, 51, 52, 53, 54, 55) and the corresponding fragment of the image Gi is then attached to this cutting line (76) to form the global image G (x, y ), this cutting line (76) being determined through the formation of a similarity function Gc (x, y) between the images Gi and Gi-1, which is extreme with equal achromatic values in equal coordinates of image elements or also under inclusion of its surroundings, and the cutting line (76) is formed through a curve path y (x), which runs, at least, through an end of maximum similarity of the similarity function Gc ( x, y).