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Video Transmission Secrecy Improvement Based on Fractional Order Hyper Chaotic System

Computer Systems Science & Engineering 2023年第7期46卷 1201-1214页

作者： S.Kayalvizhi S.Malarvizhi Department of Electronics and Communication Engineering SRM Institute of Science and TechnologyKattankulathur603203India

In the Digital World scenario,the confidentiality of information in video transmission plays an important *** systems have been shown to be effective for video signal *** improve video transmission secrecy,compressive encryption method is proposed to accomplish compression and encryption based on fractional order hyper chaotic system that incorporates Compressive Sensing(CS),pixel level,bit level scrambling and nucleotide Sequences *** measurement matrix generates by the fractional order hyper chaotic system strengthens the efficiency of the encryption *** avoid plain text attack,the CS measurement is scrambled to its pixel level,bit level scrambling decreases the similarity between the adjacent measurements and the nucleotide sequence operations are done on the scrambled bits,increasing the *** stages are comprised in the reconstruction technique,the first stage uses the intra-frame similarity and offers robust preliminary retrieval for each frame,and the second stage iteratively improves the efficiency of reconstruction by integrating inter frame Multi Hypothesis(MH)estimation and weighted residual sparsity *** each iteration,the residual coefficient weights are modified using a mathematical approach based on the MH predictions,and the Split Bregman iteration algorithm is defined to resolve weighted l1 *** findings show that the proposed algorithm provides good compression of video coupled with an efficient encryption method that is resistant to multiple attacks.

关键词： Fractional order hyper chaotic system compressive sensing pixel level scrambling bit level scrambling nucleotide sequences

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