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Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS)


Article Title: An Enhanced Two-Dimensional Color Barcode System
by Md. Mashud Rana, M E Kawsar, M-E-Rabbani, S M M Rashid , K E U Ahmed

In a barcode system text information are encoded into image and an electronic device is used for retrieving encoded information by scanning that image. There are many kind of barcode systems are permitted by International Standard Audiovisual Number-International Agency (ISAN-IA). These barcode systems are used for different purposes like- identifying retail and grocery items, encode Zip Codes, libraries, printed circuit board manufacturing etc. Nowadays, it has become a priority concern of storing more information into a barcode image from the perspective of the size of barcode, and 2-Dimensional (2-D) barcode are taking on increasing significance for their better capability to store massive amount of information than ever before. In this paper, we propose an enhanced encoding system for 2-D color barcode that can store more than thousand of characters, and a decoding system as well to retrieve stored information from the barcode image which applies a probabilistic error correction mechanism for reliability. The proposed barcode system uses a static hash table which contains the values of eighty seven different characters and a color table which contains 16 different colors for different patterns of nibble where each nibble pattern is unique. For information encoding, value of each character is converted into binary nibble, and then color pixel from the color table according to the nibble pattern. The decoding mechanism is the reverse of encoding along with the error correction mechanism.
Keywords: two dimensional barcode, color barcode, symbology, hash table, nibble
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ISSN: 2141-7016

Editor in Chief.

Prof. Gui Yun Tian
Professor of Sensor Technologies
School of Electrical, Electronic and Computer Engineering
University of Newcastle
United Kingdom



Copyright © Journal of Emerging Trends in Engineering and Applied Sciences 2010