Camera Readable 2D Bar Codes Design and Decoding for Mobile Phones

2D bar codes were designed to carry significantly more data than its 1D counterpart. Thanks to the popular combination of cameras and mobile phones, it will naturally bring great commercial value to use the camera phone for 2D bar code reading. This paper addresses the problem of specific 2D bar cod...

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Bibliographic Details
Main Authors: Hao Wang, Yanming Zou
Format: Conference Proceeding
Language:English
Subjects:
Bar codes
Cameras
Decoding
Encoding
Image coding
Image processing
Image quality
Indexes
Mobile handsets
Optical distortion
Optical noise
Online Access:Request full text
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Summary:2D bar codes were designed to carry significantly more data than its 1D counterpart. Thanks to the popular combination of cameras and mobile phones, it will naturally bring great commercial value to use the camera phone for 2D bar code reading. This paper addresses the problem of specific 2D bar code design for mobile phones and introduces a low-level solution of matrix codes. At the same time, we propose an efficient scheme for 2D bar codes decoding, of which the effort is put on solutions of the difficulties introduced by low image quality that is very common in bar code images taken by a phone camera.
ISSN:1522-4880
2381-8549
DOI:10.1109/ICIP.2006.312495