Reconstruction of virtual raster

Details Reconstruction of virtual raster Reconstruction of virtual raster

2005-04-27

2009-06-09

Le, Thien M (Department: 2887)

Registers

Coded record sensors

Particular sensor structure

C235S472010

Reexamination Certificate

active

07543753

ABSTRACT:
A method aims at identifying, starting from objects in a digital image, a virtual raster included in a coding pattern. The objects in the image at least partially reproduce marks on a base, each mark being associated with a respective point of intersection of raster lines belonging to the virtual raster. The method comprises the steps of matching sets of objects against a cell unit, which corresponds to a recurring known basic element of said raster; when a set corresponds with the cell unit, identifying the objects in the set as approved; and reconstructing the virtual raster on the basis of the mutual arrangement of the approved objects. A computer program, a storage medium and a device for position determination are also described.

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