Research

Shengxi Li, Zeyang Yu, Danilo Mandic. A Universal Framework for Learning the Elliptical Mixture Model. IEEE Transactions on Neural Networks and Learning Systems, 2020 (Early Access, DOI: 10.1109/TNNLS.2020.3010198).

Shengxi Li, Mai Xu*, Yun Ren, Zulin Wang. Closed-form Optimization on Saliency-guided Image Compression for HEVC-MSP. IEEE Transactions on Multimedia, 2017, 20(1): 155-170. [Eye-tracking Database]

Shengxi Li, Mai Xu*, Zulin Wang, Xiaoyan Sun. Optimal Bit Allocation for CTU Level Rate Control in HEVC. IEEE Transactions on Circuits and Systems for Video Technology, 2017, 27(11): 2409-2424. [Source Code Page]

Shengxi Li, Mai Xu*, Xin Deng, Zulin Wang. Weight-based R-λ Rate Control for Perceptual HEVC Coding on Conversational Videos. Signal Processing: Image Communication, 2015, 38: 127-140. [Source Code Page]

Mai Xu*, Shengxi Li, Jianhua Lu, Wenwu Zhu. Compressibility Constrained Sparse Representation with Learnt Dictionary for Low Bit-rate Image Compression. IEEE Transactions on Circuits and Systems for Video Technology, 2014, 24(10): 1743-1757. (Note: nomination of the best paper) [Illustration]

Hongwei Guo, Ce Zhu, Shengxi Li, Yanbo Gao. Optimal Bit Allocation at Frame Level for Rate Control in HEVC. IEEE Transactions on Broadcasting, 2018, 65(2): 270-281.

Mai Xu*, Xin Deng, Shengxi Li, Zulin Wang. Region-of-interest based conversational HEVC coding with hierarchical perception model of face. IEEE Journal of Selected Topics in Signal Processing, 2014, 8(3): 475-489. [Source Code Page]

Shengxi Li*, Zeyang Yu, Min Xiang, Danilo Mandic. A General Solver to the Elliptical Mixture Model through an Approximate Wasserstein Manifold. Proceedings of the AAAI Conference on Artificial Intelligence. 2020: 4658-4666. (Note: Oral, rate <5%) [Slides] [Code]

Shengxi Li, Mai Xu*, Yun Ren, Chengzhang Ma, Zulin Wang. Optimizing Subjective Quality in HEVC-MSP: An Approximate Closed-form Image Compression Approach. 2016 Data Compression Conference (DCC). IEEE, 2016: 437-446. (Note: Oral and accepted as full-paper) [Project] [Slides]

Shengxi Li, Mai Xu*, Xin Deng, Zulin Wang. A Novel Method on Optimal Bit Allocation at LCU Level for Rate Control in HEVC. 2015 IEEE International Conference on Multimedia and Expo (ICME). IEEE, 2015: 1-6. (Note: Awarded the IEEE 2015 Student Travel Grant); [Slides&Poster]

Shengxi Li, Mai Xu*, Xin Deng, Zulin Wang. A Novel Weight-based URQ Scheme for Perceptual Video Coding of Conversational Video in HEVC. 2014 IEEE International Conference on Multimedia and Expo (ICME). IEEE, 2014: 1-6. (Note: Oral and top 5% paper); [Slides&Code]

Tie Liu, Mai Xu, Shengxi Li, Rui Ding, Huaida Liu. MRS-Net: Multi-Scale Recurrent Scalable Network for Face Quality Enhancement of Compressed Videos. Proceedings of the 27th ACM International Conference on Multimedia (ACM MM). 2020.

Zeyang Yu, Shengxi Li, Danilo Mandic. Widely Linear Complex-Valued Autoencoder: Dealing with Noncircularity in Generative-Discriminative Models. International Conference on Artificial Neural Networks (ICANN). Springer, Cham, 2019: 339-350.

Sayed Pouria Taleb, Stefan Werner, Shengxi Li, Danilo Mandic. Tracking Dynamic Systems in $\alpha$-stable Environments. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). 2019: 4853-4857.

Yuhang Song, Mai Xu*, Shengxi Li. Watching Videos with Certain and Constant Quality: PID-based Quality Control Method. 2017 Data Compression Conference (DCC). IEEE, pp. 461-461.

Yu Ren, Zulin Wang, Mai Xu*, Haoyu Dong, Shengxi Li. Learning Dynamic GMM for Attention Distribution on Single-face Videos. 2017 IEEE Conference on Computer Vision and Pattern Recognition Workshop (CVPR Workshop). IEEE, pp. 1632-1641.

Yufan Liu, Mai Xu*, Chen Li, Shengxi Li, Zulin Wang. A Novel Rate Control Scheme for Panoramic Video Coding. 2017 IEEE International Conference on Multimedia and Expo (ICME). IEEE, pp. 691-696.

Xin Deng, Mai Xu*, Shengxi Li, Zulin Wang. Complexity Control of HEVC Based on Region-of-interest Attention Model. 2014 IEEE Visual Communications and Image Processing Conference (VCIP), IEEE, 2014: 225-228. (Note: Oral) [Slides]

Mai Xu*, Shengxi Li, Chengzhang Ma, Zulin Wang. A rate control scheme with optimal bit allocation at CTU level in HEVC. Chinese Application Number: 201510882801.X.