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Matrix Embedding Based on Trellis Structure of Linear Block Codes
LIU Weiwei 1,LIU Guangjie 2 * #
1.School of Automation, Nanjing University of Sci.& Tech., NanJing 210094
2.School of Automation, Nanjing University of Sci. & Tech.
*Correspondence author
#Submitted by
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Funding: 教育部博士点基金（No.20093219120037）
Opened online:21 March 2013
Accepted by: none
Citation: LIU Weiwei,LIU Guangjie.Matrix Embedding Based on Trellis Structure of Linear Block Codes[OL]. [21 March 2013] http://en.paper.edu.cn/en_releasepaper/content/4527933
 
 
In this paper, a general embedding framework based on syndrome BCJR trellis of binary linear block codes is proposed. It is constructed from the parity-check matrix and embedding message directly, the Viterbi algorithm can be implemented on this trellis to find the stego object which minimizes the embedding impact.The parity-check matrix can be constructed by the relative payload and it can work on arbitrary distortion profile. Finally, we give the experimental results for the proposed scheme with randomly constructed codes and typical linear block codes.
Keywords:matrix embedding; parity-check matrix; syndrome BCJR trellis; Viterbi algorithm
 
 
 

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