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Proceedings Paper

Dual resolution two-dimensional color barcode
Author(s): Zhigang Fan; Yonghui Zhao; Shenge Wang; Hengzhou Ding
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Paper Abstract

In this paper, a QR code is presented with a dual resolution structure. It contains a high resolution layer that is coded in luminance and is in consistency with the conventional QR code, and a low resolution layer providing additional error checking information, that is coded in chrominance and is robust to blurring. The proposed QR code is compatible to its underlying conventional black and white barcode as it can be read by their decoders. Its advantage is additional reliability when a color decoder is used. In particular, it enhances the decoding accuracy for devices such as mobile devices for barcodes printed in small sizes.

Paper Details

Date Published: 21 March 2013
PDF: 6 pages
Proc. SPIE 8664, Imaging and Printing in a Web 2.0 World IV, 86640K (21 March 2013); doi: 10.1117/12.2009370
Show Author Affiliations
Zhigang Fan, Xerox Corp. (United States)
Yonghui Zhao, Apple Inc. (United States)
Shenge Wang, Qualcomm Inc. (United States)
Hengzhou Ding, Xerox Corp. (United States)

Published in SPIE Proceedings Vol. 8664:
Imaging and Printing in a Web 2.0 World IV
Qian Lin; Jan P. Allebach; Zhigang Fan, Editor(s)

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