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Encoder and decoder implementations of the High Efficiency Video Coding (HEVC) standard have been subject to many optimization approaches since the release in 2013. However, the real-time decoding of high quality and ultra high resolution videos is still a very challenging task. Especially entropy decoding (CABAC) is most often the throughput bottleneck for very high bitrates. Syntax Element Partitioning...
Reference picture management is an important part in video encoding and decoding process, and has great influence on the coding performance. In this paper, a flexible reference picture management scheme is proposed for the second generation of Audio Video Coding Standard (AVS2). In the proposed scheme, reference configuration set (RCS), which consists of reference picture information, is used to manage...
In this paper, we propose a novel multiview video plus depth (MVD) codec that uses a depth-based prediction mode (DBPM) both for texture videos and the depth maps. We show that the proposed codec can provide up to 9.2%, 9.9%, and 6.7% bitrate savings over H.264/MVC (MVC) for coding MVD data, depth maps, and multiview videos, respectively. In addition, we present subjective test results that compare...
This article describes and analyses the main technologies of MVC (Multi-view video coding) based on H.264, which include MVC temporal scalable, inter-view prediction, parallel processing and structure of MVC bit streams. For further analysis of MVC coding efficiency, some experiments are designed. Compared with the single view coding of simulcast, the MVC compression coding based on the JMVC model...
Bitrate adaptation and higher compression ratio are the major issues in world of Video compression. H.264 is the latest standard for video compression with high flexibility in compression ratio, quality of video and rate adaptation. This paper explores the possibility of bitrate reduction and proposes an algorithm to calculate the cost of each 8x8 subMacroblocks. Based on the threshold and the cost...
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