Algorithm based on Symmetry for Locating the Finder Pattern of the QR Code

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外文摘要：The symbology of the QR Code and the traditional techniques for recognizing the finder pattern of the QR Code were introduced and the disadvantages of these techniques were analyzed。 Based on the symmetry of the finder pattern of the QR Code， an algorithm for locating the center of the finder pattern was proposed。 By this algorithm， the center of the finder pattern of the QR Code can be located accurately even though one module of the QR Code image occupies only 2。8 pixels or the image is skewed seriously or the image is illuminated not uniformly。

外文关键词：

image processingpattern recognition2D barcodesymmetry

作者：

Hu Donghong、Chen Xinmeng、Yu Dan、Liu Weina、Mei Bin

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作者单位：

Computer School, Wuhan University, Wuhan, China 430072

会议名称：

Conference on Geospatial Information Science; 20061028-29; Wuhan(CN)

会议地点：

Wuhan(CN)

会议母体文献：

Geospatial Information Science: Geoinformatics 2006; Proceedings of SPIE-The International Society for Optical Engineering; vol.6420

页码：

P.64200O.1-64200O.6

出版时间：

2006