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Low-delay hierarchical coding structure (LD-HCS), as one of the most important components in the latest High Efficiency Video Coding (HEVC) standard, greatly improves coding performance. It groups consecutive P/B frames into different layers and encodes them with different quantization parameters (QPs) and reference mechanisms in such a way that temporal dependency among frames can be exploited. However,...
Rate-distortion optimization (RDO) plays an important part in improving the coding efficiency of High Efficiency Video Coding (HEVC), especially for the hierarchical coding structure defined in the Random-Access (RA) configuration, noted as Random-Access Hierarchical Video Coding (RA-HVC), where different frames are assigned to different temporal layers and further coded with different coding parameters...
Hierarchical coding structure (HCS) is one of the most important components in High Efficiency Video Coding (HEVC) that improves the coding performance greatly, especially for Low-Delay (LD) coding. It groups frames into different layers and enc odes them with different quantization parameters (QP) and different reference mechanisms. Due to the extensively used inter-prediction, the coding of frames...
It is known that, in the current hybrid video coding structure, spatial and temporal prediction techniques are extensively used which introduce strong dependency among coding units. Such dependency poses a great challenge to perform a global rate-distortion optimization (RDO) when encoding a video sequence. RDO is usually performed in a way that coding efficiency of each coding unit is optimized independently...
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