Title :
Examination Certificate Based on Two-Dimensional Bar Code Technology
Author_Institution :
Opt. & Electron. Inf. Eng. Coll., Univ. of Shanghai for Sci. & Technol., Shanghai, China
Abstract :
Types and characteristics of information on examination certificates are analyzed in this paper and then the two-dimensional bar code encoding method based on GB18030 character set of information in text kind, and the method for image kind on the basis of compression using zerotree of wavelet transformation is put forward. A flowgraph for the whole procedure is given and an example of examination certificate with PDF417 bar code is shown in this paper to illustrate the whole encoding result.
Keywords :
bar codes; data compression; image coding; wavelet transforms; examination certificate; image compression; two-dimensional bar code technology; wavelet transformation; zerotree; Computer science; Educational institutions; Encoding; Eyes; Fingerprint recognition; Image analysis; Image coding; Information analysis; Optical computing; Wavelet analysis; Encoding; GB18030; Image Compression; Two-dimensional Bar Code;
Conference_Titel :
Computer Science and Computational Technology, 2008. ISCSCT '08. International Symposium on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3746-7
DOI :
10.1109/ISCSCT.2008.102
