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Fine-Grained Region Adaptive Loop Filter for Super-Block Video Coding
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DOI：10.1109/ACCESS.2019.2961709.png)
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摘要
En 中文
In video coding, in-loop filter plays an essential role to reduce compression artifacts. This paper introduces a Fine-grained Region Adaptive Loop Filter (FR-ALF) approach for super-block coding based on the High Efficiency Video Coding (HEVC) framework. To address the over-smoothing and low-efficient problems, we introduce a flexible low-complexity FR-ALF method that achieves a finer granularity to control the filtering effect. Moreover, we design a new communication mechanism in order to avoid encoding the same overhead information. Experimental results show that compared with recent advances, our FR-ALF method achieves a satisfactory bit-rate saving by 2.760025; on average, and consumes an affordable complexity increment.
Keyword:
Adaptive loop filter (ALF)
super-block coding
ultra high-definition video coding
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期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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