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Norcen et al., 2003 - Google Patents

Selective encryption of the JPEG2000 bitstream

Norcen et al., 2003

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Document ID
2215516883758018318
Author
Norcen R
Uhl A
Publication year
Publication venue
IFIP International Conference on Communications and Multimedia Security

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Snippet

In this paper, we propose partial encryption of JPEG2000 coded image data using an AES symmetric block cipher. We find that encrypting 20% of the visual data is sufficient to provide a high level of confidentiality. This percentage of encryption also provides security against …
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Classifications

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    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of content streams, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of content streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
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    • H04N21/234—Processing of video elementary streams, e.g. splicing of content streams, manipulating MPEG-4 scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of content streams, manipulating MPEG-4 scene graphs involving video stream encryption
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    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
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