A CABAC codec of H.264AVC with secure arithmetic coding

Nihel Neji; Maher Jridi; Ayman Alfalou; Nouri Masmoudi

doi:10.1117/12.2006351

19 February 2013 A CABAC codec of H.264AVC with secure arithmetic coding

Nihel Neji, Maher Jridi, Ayman Alfalou, Nouri Masmoudi

Proceedings Volume 8656, Real-Time Image and Video Processing 2013; 86560G (2013) https://doi.org/10.1117/12.2006351
Event: IS&T/SPIE Electronic Imaging, 2013, Burlingame, California, United States

Abstract

This paper presents an optimized H.264/AVC coding system for HDTV displays based on a typical flow with high coding efficiency and statics adaptivity features. For high quality streaming, the codec uses a Binary Arithmetic Encoding/Decoding algorithm with high complexity and a JVCE (Joint Video compression and encryption) scheme. In fact, particular attention is given to simultaneous compression and encryption applications to gain security without compromising the speed of transactions [1].

The proposed design allows us to encrypt the information using a pseudo-random number generator (PRNG). Thus we achieved the two operations (compression and encryption) simultaneously and in a dependent manner which is a novelty in this kind of architecture.

Moreover, we investigated the hardware implementation of CABAC (Context-based adaptive Binary Arithmetic Coding) codec. The proposed architecture is based on optimized binarizer/de-binarizer to handle significant pixel rates videos with low cost and high performance for most frequent SEs. This was checked using HD video frames. The obtained synthesis results using an FPGA (Xilinx’s ISE) show that our design is relevant to code main profile video stream.

Citation Download Citation

Nihel Neji, Maher Jridi, Ayman Alfalou, and Nouri Masmoudi "A CABAC codec of H.264AVC with secure arithmetic coding", Proc. SPIE 8656, Real-Time Image and Video Processing 2013, 86560G (19 February 2013); https://doi.org/10.1117/12.2006351

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