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Two of the most popular video coding standards, MEPG-2 and H.264, are realized on PAC Duo platform, a heterogeneous multi-core SoC containing one ARM core and two PACDSP's (Parallel Architecture Core DSP). In addition to the optimization of the video software codes, in order to fit to the architecture of PACDSP, the inter-core synchronization required by the dual core implementation must be added...
Most research efforts have concentrated on advancement in video compression techniques resulting in DivX/Xvid codecs for better performance on handheld devices. Initial investigations reveal that these techniques are actually taking less time compared to entire execution time in a typical media playback system. However, it enlists that the buffer management methods employed in multimedia framework...
Most research efforts have concentrated on advancement in video compression techniques resulting in DivX/Xvid codecs for better performance on handheld devices. Initial investigations reveal that these techniques are actually taking less time compared to entire execution time in a typical media playback system. However, it enlists that the buffer management methods employed in multimedia framework...
Today, users often want to consume personalized versions of multimedia content (e.g., a selection of the most interesting video scenes). These user preferences can be fulfilled by performing semantic adaptations, which are typically guided by semantic metadata. In this paper, we discuss how high-level semantic adaptations along the temporal axis can be performed using format-independent adaptation...
3D video is currently attracting increasing interest, as it provides users greatly enhanced viewing experience. For such applications, multi-view video coding is crucial to handle the enormous amount of data. In this paper, an experimental analysis of multi-view video coding for various temporal and inter-view prediction structures is presented. We demonstrate the correlations among temporal and inter-view,...
This paper proposes an idiographic implement scheme of MPEG-4 real-time video streaming for multi-channel based on RTP/RTCP over WLAN. It also proposes an effective synchronistic model for multi-channel video based on timestamp synchronization. Aiming at the wireless QoS mechanism, this system applies to an ECN algorithm based on RTCP feedback rate control algorithm-TFRC. The ECN algorithm improves...
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