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Shahid et al., 2011 - Google Patents

Fast protection of H. 264/AVC by selective encryption of CAVLC and CABAC for I and P frames

Shahid et al., 2011

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Document ID
12631775221249977043
Author
Shahid Z
Chaumont M
Puech W
Publication year
Publication venue
IEEE Transactions on Circuits and Systems for Video Technology

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Snippet

This paper presents a novel method for the protection of bitstreams of state-of-the-art video codec H. 264/AVC. The problem of selective encryption (SE) is addressed along with the compression in the entropy coding modules. H. 264/AVC supports two types of entropy …
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    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
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    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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    • H04N19/103—Selection of coding mode or of prediction mode
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    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communication the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators

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