Professional Experiences

Research Interests

• Real-time video communication
  

• Adaptive streaming

• Collaborative video processing

Research Projects

• 国家自然科学基金委员会, 重点项目，火星表面全景视频编码与立体增强技术，2023-01-01至2027-12-31，在研，参与

• 科技部，国家重点研发计划，全息媒体服务计算技术平台与应用，2022-11至2025-10，在研，参与

• 国家自然科学基金委员会, 青年科学基金项目, 网络模态感知的实时通信视频自适应传输, 2022-01-01 至 2024-12-31, 在研, 主持

Publications

(* Co-first Author, # Corresponding Author)

• Yueheng Li*, Hao Chen*, Bowei Xu, Zicheng Zhang, and Zhan Ma#, "Improving Adaptive Real-time Video Communication via Cross-layer Optimization," accepted by IEEE Trans. Multimedia, Nov. 2023.

• Yueheng Li, Zicheng Zhang, Hao Chen#, and Zhan Ma. "Mamba: Bringing Multi-Dimensional ABR to WebRTC." Proceedings of the 31st ACM International Conference on Multimedia. 2023. [Website]

• Bowei Xu, Hao Chen#, and Zhan Ma. "Karma: Adaptive Video Streaming via Causal Sequence Modeling." Proceedings of the 31st ACM International Conference on Multimedia. 2023. (Oral) [Website]

• Mingliu Sun, Hao Chen#, and Zhan Ma, Quality-of-Experience Assessment for Ultra-low Latency Live Streaming Videos, IEEE MMSP, Oct. 2023. (Oral)

• Qianyuan Zheng, Hao Chen#, and Zhan Ma. Bamboo: Boosting Training Efficiency for Real-Time Video Streaming via Online Grouped Federated Transfer Learning. In Proceedings of the 7th Asia-Pacific Workshop on Networking (APNET '23). Association for Computing Machinery, New York, NY, USA, 215–216.

• Yueheng Li, Qianyuan Zheng, Zicheng Zhang, Hao Chen#, and Zhan Ma. Improving ABR Performance for Short Video Streaming Using Multi-Agent Reinforcement Learning with Expert Guidance. In Proceedings of the 33rd Workshop on Network and Operating System Support for Digital Audio and Video (NOSSDAV '23), Association for Computing Machinery, New York, NY, USA, 58-64.

• Chao Zhang, Jiaoyang Yin, Yiling Xu#, Hao Chen#, Xiaozhong Xu, and Shan Liu, "OLNC: Online Learning of Network Conditions for Adaptive Video Streaming," 2023 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB), Beijing, China, 2023, pp. 1-6.
  

• Zicheng Zhang, Hao Chen#, Xun Cao, and Zhan Ma, "Anableps: Adapting Bitrate for Real-Time Communication Using VBR-encoded Video," 2023 IEEE International Conference on Multimedia and Expo (ICME), Brisbane, Australia, 2023, pp. 1685-1690. (Oral)

• Zhehao Chen, Ming Lu, Hao Chen*, and Zhan Ma*, "Robust Ultralow Bitrate Video Conferencing with Second Order Motion Coherency," 2022 IEEE 24th International Workshop on Multimedia Signal Processing (MMSP), Shanghai, China, 2022, pp. 1-6.

• Hao Chen, Xu Zhang, Yiling Xu, Ju Ren, Jingtao Fan, Zhan Ma, and Wenjun Zhang, "T-Gaming: A Cost-Efficient Cloud Gaming System at Scale", IEEE Trans. Parallel and Distributed System, vol. 30, no. 12, pp. 2849-2865, Dec. 2019. [This work has been adopted into a commercialized AnyGame to support thousands of gaming users daily!]

• Hao Chen, Xu Zhang, Yiling Xu, Zhan Ma, and Wenjun Zhang, “Efficient Mobile Video Streaming via Context-Aware RaptorQ-Based Unequal Error Protection”, IEEE Trans. Multimedia, vol. 22, no. 2, pp. 459-473, Feb 2020. 

• Hao Chen, Ming Lu, Zhan Ma, Xu Zhang, Yiling Xu, Qiu Shen, and Wenjun Zhang, "Learned Resolution Scaling Powered Gaming-as-a-Service at Scale", accepted by IEEE Trans. Multimedia, March 2020.

• Xu Zhang, Hao Chen, Yangchao Zhao,  Zhan Ma, Yiling Xu, Haojun Huang, Hao Yin, and Dapeng Oliver Wu, "Improving Cloud Gaming Experience through Mobile Edge Computing", IEEE Wireless Communications, vol. 26, no. 4, pp. 178-183, August 2019. 

• Yiling Xu, Hao Chen, Yangchao Zhao, Wenjun Zhang, Qiu Shen, Xu Zhang, and Zhan Ma, "Neural Adaptive Transport Framework for Internet-scale Interactive Media Streaming Service", Proc. of IEEE BMSB, Jeju, Korea, June 2019. [2019 IEEE Broadcast Technology Society Best Paper Award]

• Yiling Xu, Hao Chen, Wenjun Zhang, Jenq-Neng Hwang, "Smart Media Transport: A Burgeoning Intelligent System for Next Generation Multimedia Convergence Service over Heterogeneous Networks in China", IEEE MultiMedia, 2019, 26(3): 79-91.

Honors & Awards