22 May 2014 Simultaneous compression and encryption for secure real-time secure transmission of sensitive video transmission
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Video compression and encryption became very essential in a secured real time video transmission. Applying both techniques simultaneously is one of the challenges where the size and the quality are important in multimedia transmission. In this paper we proposed a new technique for video compression and encryption. Both encryption and compression are based on edges extracted from the high frequency sub-bands of wavelet decomposition. The compression algorithm based on hybrid of: discrete wavelet transforms, discrete cosine transform, vector quantization, wavelet based edge detection, and phase sensing. The compression encoding algorithm treats the video reference and non-reference frames in two different ways. The encryption algorithm utilized A5 cipher combined with chaotic logistic map to encrypt the significant parameters and wavelet coefficients. Both algorithms can be applied simultaneously after applying the discrete wavelet transform on each individual frame. Experimental results show that the proposed algorithms have the following features: high compression, acceptable quality, and resistance to the statistical and bruteforce attack with low computational processing.
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Nazar Al-Hayani, Nazar Al-Hayani, Naseer Al-Jawad, Naseer Al-Jawad, Sabah A. Jassim, Sabah A. Jassim, "Simultaneous compression and encryption for secure real-time secure transmission of sensitive video transmission", Proc. SPIE 9120, Mobile Multimedia/Image Processing, Security, and Applications 2014, 91200J (22 May 2014); doi: 10.1117/12.2057723; https://doi.org/10.1117/12.2057723


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