Identification of virtual raster pattern

Details Identification of virtual raster pattern Identification of virtual raster pattern

2006-05-23

2006-05-23

Mehta, Bhavesh M. (Department: 2625)

Image analysis

Image transformation or preprocessing

Fourier transform

C382S181000, C382S197000, C375S240160, C326S044000

Reexamination Certificate

active

07050653

ABSTRACT:
A method aims to identify a virtual raster pattern in an image of a surface that is provided with a plurality of position-coding marks. Each mark is associated with a respective intersection of raster lines belonging to the raster pattern. By means of the method, the virtual raster pattern is identified via Fourier analysis of the image. A computer program product and a device for position determination are also described.

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