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Joint source-channel decoding (JSCD) exploits residual redundancy in compressed bitstreams to improve the robustness to transmission errors of multimedia coding schemes. This paper proposes an architecture to introduce some additional side information in compressed streams to help JSCD. This architecture exploits a reference decoder already present or introduced at the encoder side. An application...
In this paper, we propose a joint source-channel (JSC) decoding scheme for 3D ESCOT-based video coders, such as Vidwav. The embedded bitstream generated by such coders is very sensitive to transmission errors unavoidable on wireless channels. The proposed JSC decoder employs the residual redundancy left in the bitstream by the source coder combined with bit reliability information provided by the...
This paper presents the co-simulation interface Matlab and SystemC methodology, the development and modeling of a JPEG algorithm using this co-simulation interface. This Hardware/Software co-design technique is applied to the JPEG compression algorithm which has many implementations in recent video real time application. Time to market is the very important factor for development of such applications...
The system-level modeling and simulation framework Sesame/Artemis aims to efficiently explore the design space of heterogeneous embedded multimedia architectures. The Sesame environment provides several methods and tools to quickly and separately build the application process network model, the target architecture model, and the mapping model of the application onto the architecture. In addition,...
Generally, video signal has high temporal redundancies due to the high correlation between successive frames. Actually, this redundancy has not been exploited enough by current video compression techniques. In this paper, we present a new video compression approach which tends to hard exploit the pertinent temporal redundancy in the video frames to improve compression efficiency with minimum processing...
H.264/AVC (Advanced Video Codec) is a new video coding standard developed by a joint effort of the ITU-TVCEG and ISO/IEC MPEG. This standard provides higher coding efficiency relative to former standards at the expense of higher computational requirements. Implementing the H.264 video encoder for an embedded System-on-Chip (SoC) is a big challenge. For an efficient implementation, we motivate the...
H.264/AVC (advanced video codec) is a new video coding standard developed by a joint effort of the ITU-TVCEG and ISO/IEC MPEG. This standard provides higher coding efficiency relative to former standards at the expense of higher computational requirements. Implementing the H.264 video encoder for an embedded system-on-chip (SoC) is a big challenge. For an efficient implementation, we motivate the...
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