Código QR (código de barras bidimensional)

Improved information hiding algorithm based on twice positioning in coding channel

Based on analysis of existing information hiding algorithms and capacities in coding channel,the defects of those existing algorithms were pointed out,and an improved information hiding algorithm with capacity upper limit analysis and based on twice positioning was proposed.the proposed algorithm,th...

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Principais autores: Li-quan CHEN, Miao LU, Ai-qun HU, Xiao-yan SUN
Format: Artigo
Sprog:Chinês
Udgivet: Editorial Department of Journal on Communications 2013-12-01
Serier:Tongxin xuebao
Fag:
information hiding
coding channel
twice positioning
cyclic shift
Online adgang:http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436X.2013.12.014/
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