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Video encoders and decoders for HEVC-like compression standards require huge external memory bandwidth, which occupies a significant portion of the codec power consumption. To reduce the memory bandwidth, this paper presents a new lossless reference frame recompression algorithm along with a high-throughput hardware architecture. Firstly, hybrid spatial -domain prediction is proposed to combine the...
HEVC achieves a better coding efficiency relative to prior standards, but also involves increased complexity. For intra prediction, complexity is especially intensive due to a highly flexible coding unit structure and a large number of prediction modes. This paper presents a low-complexity intra prediction algorithm for HEVC. A fast preprocessing stage based on a simplified cost model is proposed...
In the latest video coding frameworks, efficiency of motion vector (MV) coding is becoming increasingly important because of the growing bit rate portion of motion information. In this paper, we present a prioritized reference decision scheme for MV coding based on the H.264/AVC framework. This scheme makes use of a boolean indicator coded into the modified code words of mb_type and sub_mb_type, so...
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