Distortion resistant double-data correcting color transition bar

Details Distortion resistant double-data correcting color transition bar Distortion resistant double-data correcting color transition bar

1998-04-08

2000-06-06

Le, Thien M.

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Records

Particular code pattern

23546204, 235469, G06K 710

Patent

active

060708050

ABSTRACT:
A color barcode symbology is disclosed that can be accurately decoded despite severe distortions, misreads or altered symbols. This disclosed barcode is a color transition barcode having linear growth properties designed to resist the single or combined effects of: scaling distortions, perspective distortions, shear distortions, and wave distortions of both the uniform and non-uniform type distributed across the barcode's vertical or horizontal axis. This color barcode symbology is also resistant to missing symbols and altered symbols while offering, high security, error checking, and double error correcting capability.

REFERENCES:
patent: 3663801 (1972-05-01), Wahli et al.
patent: 4251798 (1981-02-01), Swartz et al.
patent: 4283622 (1981-08-01), Passer et al.
patent: 4783838 (1988-11-01), Matsunawa
patent: 4856820 (1989-08-01), Kasprzak et al.
patent: 4924078 (1990-05-01), Sant' Anselmo et al.
patent: 5153928 (1992-10-01), Iizuka
patent: 5311001 (1994-05-01), Joseph et al.

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