High-density two-dimensional barcode

Ynjiun P. Wang; Theo Pavlidis; Jerome Swartz

doi:10.1117/12.25320

1 February 1991 High-density two-dimensional barcode

Ynjiun P. Wang, Theo Pavlidis, Jerome Swartz

Proceedings Volume 1384, High-Speed Inspection Architectures, Barcoding, and Character Recognition; (1991) https://doi.org/10.1117/12.25320
Event: Advances in Intelligent Robotics Systems, 1990, Boston, MA, United States

Abstract

We describe a method for encoding information on stacked rows of bar codes. Each row uses one of three sets of codewords. When a single scan crosses data rows the difference in codewords can be used to organize the collected data correctly. The code provides for error detection and error correction both at the level of the codewords and at the whole message level.

Citation Download Citation

Ynjiun P. Wang, Theo Pavlidis, and Jerome Swartz "High-density two-dimensional barcode", Proc. SPIE 1384, High-Speed Inspection Architectures, Barcoding, and Character Recognition, (1 February 1991); https://doi.org/10.1117/12.25320

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