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Densely Connected Unit based Loop Filter for Short Video Coding

Abstract: 

With the rapid development of Internet, short videos draw more and more attentions nowa- days. Due to the small scale of short videos, image-level coding scheme can be applied to improve compression efficiency. In this paper, we propose a densely connected unit based loop filter for short video coding in H.266/VVC. In the proposed loop filter, the densely connected units are specially designed to extract feature maps, and fully decompose videos. By densely connection between layers, the designed units can reuse feature maps, and re- duce the redundancy of features. Meanwhile, the proposed loop filter has the light weight, which can recover short videos at image level fast. Moreover, the proposed loop filtering network is embedded into VVC to replace the original sample adaptive offset (SAO) and adaptive loop filter (ALF), which saves bits cost and lowers the complexity of coding. The experimental results show that the proposed loop filter, compared with H.266/VVC, can achieve 4.50 % bit-rate reduction in AI mode at average. In RA mode, the proposed loop filter can also achieve 2.61 % bit-rate reduction at average.

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Paper Details

Authors:
Shengwei Wang, Peidi Yi, Hongkui Wang, and Li Yu
Submitted On:
28 March 2020 - 8:34am
Short Link:
Type:
Poster
Event:
Presenter's Name:
Shengwei Wang
Paper Code:
156
Session:
Posters
Document Year:
2020
Cite

Document Files

Shengwei Wang DCC-2020.pdf

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[1] Shengwei Wang, Peidi Yi, Hongkui Wang, and Li Yu, "Densely Connected Unit based Loop Filter for Short Video Coding", IEEE SigPort, 2020. [Online]. Available: http://sigport.org/5042. Accessed: Jul. 11, 2020.
@article{5042-20,
url = {http://sigport.org/5042},
author = {Shengwei Wang; Peidi Yi; Hongkui Wang; and Li Yu },
publisher = {IEEE SigPort},
title = {Densely Connected Unit based Loop Filter for Short Video Coding},
year = {2020} }
TY - EJOUR
T1 - Densely Connected Unit based Loop Filter for Short Video Coding
AU - Shengwei Wang; Peidi Yi; Hongkui Wang; and Li Yu
PY - 2020
PB - IEEE SigPort
UR - http://sigport.org/5042
ER -
Shengwei Wang, Peidi Yi, Hongkui Wang, and Li Yu. (2020). Densely Connected Unit based Loop Filter for Short Video Coding. IEEE SigPort. http://sigport.org/5042
Shengwei Wang, Peidi Yi, Hongkui Wang, and Li Yu, 2020. Densely Connected Unit based Loop Filter for Short Video Coding. Available at: http://sigport.org/5042.
Shengwei Wang, Peidi Yi, Hongkui Wang, and Li Yu. (2020). "Densely Connected Unit based Loop Filter for Short Video Coding." Web.
1. Shengwei Wang, Peidi Yi, Hongkui Wang, and Li Yu. Densely Connected Unit based Loop Filter for Short Video Coding [Internet]. IEEE SigPort; 2020. Available from : http://sigport.org/5042