Method and system for determining positions on a document

Details Method and system for determining positions on a document Method and system for determining positions on a document

2005-06-07

2005-06-07

Liang, Regina (Department: 2675)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C235S462090, C235S494000, C382S183000

Reexamination Certificate

active

06903726

ABSTRACT:
The invention comprises an information carrier on which the position of a measuring point (37, 41) may be determined using a mobile readout device, as well as an attendant method of determining a position wherein the information carrier features a surface onto which a visible primary information has been applied, in the manner of a book or a geographic map, wherein at least one machine-readable pattern has been printed on the surface, said pattern coding a position information, which upon bringing to bear methods of image analysis and of local sampling of parts (36, 40) of the surface, will allow a determination of position for a measurement point (37, 41) and wherein the pattern coding the position information is transparent in such a way that the primary information on the surface remains visible.

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