A secure 3D-SPIHT codec

  title={A secure 3D-SPIHT codec},
  author={Shiguo Lian and Jinsheng Sun and Zhiquan Wang},
  journal={2004 12th European Signal Processing Conference},
Due to the properties of large-volume and real-time requirement, video is difficult to be encrypted directly by traditional cryptography. Video encryption algorithms taking compression process into account are preferred. In this paper, an encryption scheme combining with 3D-SPIHT encoding is proposed, in which, wavelet coefficients in each data cube are confused based on octree confusion and their signs are encrypted by a chaotic stream cipher. What's more the relative positions of data cubes… CONTINUE READING


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