no code implementations • 16 Jan 2020 • Dezhao Wang, Sifeng Xia, Wenhan Yang, Jiaying Liu
For (2), we extract both intra-frame and inter-frame side information for better context modeling.
no code implementations • 9 Jan 2020 • Sifeng Xia, Kunchangtai Liang, Wenhan Yang, Ling-Yu Duan, Jiaying Liu
To this end, we make endeavors in leveraging the strength of predictive and generative models to support advanced compression techniques for both machine and human vision tasks simultaneously, in which visual features serve as a bridge to connect signal-level and task-level compact representations in a scalable manner.
no code implementations • 9 Sep 2019 • Jiaying Liu, Dong Liu, Wenhan Yang, Sifeng Xia, Xiaoshuai Zhang, Yuanying Dai
We present a comprehensive study and evaluation of existing single image compression artifacts removal algorithms, using a new 4K resolution benchmark including diversified foreground objects and background scenes with rich structures, called Large-scale Ideal Ultra high definition 4K (LIU4K) benchmark.
no code implementations • 16 May 2019 • Jiaying Liu, Sifeng Xia, Wenhan Yang
In this paper, we address the problem by proposing a deep frame interpolation network to generate additional reference frames in coding scenarios.
no code implementations • 19 Jun 2018 • Sifeng Xia, Wenhan Yang, Yueyu Hu, Siwei Ma, Jiaying Liu
Then a group variational transformation technique is used to transform a group of copied shared feature maps to samples at different sub-pixel positions.
Multimedia
no code implementations • 20 Jan 2017 • Sifeng Xia, Wenhan Yang, Jiaying Liu, Zongming Guo
In particular, we infer the HF information based on both the LR image and similar HR references which are retrieved online.