姓名:孙立峰

职称:教授

电话:62786910

邮箱:sunlf@tsinghua.edu.cn

个人主页:http://media.cs.tsinghua.edu.cn/cn/sunlf

教育背景

工学学士 (系统工程), 国防科学技术大学, 中国, 1995;

工学博士 (系统工程), 国防科学技术大学, 中国, 2000.

社会兼职

中国计算机学会(CCF)多媒体专委会秘书长

网络多媒体北京市重点实验室主任

研究领域

网络多媒体,多媒体边缘计算,媒体大数据,多媒体云计算,视频智能处理

研究概况

我长期从事网络多媒体、视频高效智能处理与传输分发领域的研究工作,近年来关注于面向移动边缘计算的视频大数据高效智能处理新型计算模型与智能分析方法。

在视频并行处理方面,提出了视频信号统计特性、时空数据依赖、上下文关联语义的表达方法,建立了视频并行处理任务调度性能评估模型,提出了粒度自适应的并行任务动态调度方法,并行性能随核数线性增加,曾获IEEE TCSVT年度最佳论文奖;

在视频传输分发方面,提出了网络状态感知的对等网络视频分发资源调度模型与方法,用户行为感知的网络、计算资源协同调度方法,资源利用率提高2倍。曾获ACM Multimedia 2012大会最佳论文奖;

提出了多媒体边缘计算的研究框架,系统地提出了基于边缘计算的视频内容分发体系结构和资源调度方法,包括边缘视频分发网络的协同缓存与内容预取方法,面向“第一公里”传输瓶颈的混合资源调度方法, AI辅助的边缘视频传输优化方法。

研究工作在IEEE Trans. On Circuits and Systems for Video Technology,IEEE Trans. On Image Processing,  IEEE Trans. On Multimedia, IEEE Journal on Selected Areas in Communications, ACM Multimedia、IEEE INFOCOM、ACM SIGIR、AAAI等国际期刊和会议上发表论文120余篇,授权国家发明专利20项。

奖励与荣誉

中国电子学会自然科学一等奖(2015);

北京市科学技术一等奖(2013);

IEEE Trans. On CSVT 年度最佳论文奖(2010);

ACM Multimedia 2012 最佳论文奖;

IEEE Multimedia BigData 2017 最佳学生论文奖;

Multimedia Modeling 2015 最佳学生论文奖

学术成果

[1] Lifeng Sun, Haitian Pang, Lin Gao: Joint Sponsor Scheduling in Cellular and Edge Caching Networks for Mobile Video Delivery. IEEE Trans. Multimedia 20(12): 3414-3427 (2018)

[2] Wen Hu, Yichao Jin, Yonggang Wen, Zhi Wang, Lifeng Sun: Toward Wi-Fi AP-Assisted Content Prefetching for an On-Demand TV Series: A Learning-Based Approach. IEEE Trans. Circuits Syst. Video Techn. 28(7): 1665-1676 (2018)

[3] Ming Tang, Haitian Pang, Shou Wang, Lin Gao, Jianwei Huang, Lifeng Sun: Multi-Dimensional Auction Mechanisms for Crowdsourced Mobile Video Streaming. IEEE/ACM Trans. Netw. 26(5): 2062-2075 (2018)

[4] Tianchi Huang, Rui-Xiao Zhang, Chao Zhou, Lifeng Sun: QARC: Video Quality Aware Rate Control for Real-Time Video Streaming based on Deep Reinforcement Learning. ACM Multimedia 2018: 1208-1216

[5] Haitian Pang, Cong Zhang, Fangxin Wang, Han Hu, Zhi Wang, Jiangchuan Liu, Lifeng Sun: Optimizing Personalized Interaction Experience in Crowd-Interactive Livecast: A Cloud-Edge Approach. ACM Multimedia 2018: 1217-1225

[6] Lifeng Sun, Ming Ma, Wen Hu, Haitian Pang, Zhi Wang: Beyond 1 Million Nodes: A Crowdsourced Video Content Delivery Network. IEEE MultiMedia 24(3): 54-63 (2017)

[7] Zhi Wang, Lifeng Sun, Miao Zhang, Haitian Pang, Erfang Tian, Wenwu Zhu: Propagation and Mobility-Aware D2D Social Content Replication. IEEE Trans. Mob. Comput. 16(4): 1107-1120 (2017)

[8] Lifeng Sun, Xiaoyan Wang, Zhi Wang, Hong Zhao, Wenwu Zhu: Social-Aware Video Recommendation for Online Social Groups. IEEE Trans. Multimedia 19(3): 609-618 (2017)

[9] Zhi Wang, Baochun Li, Lifeng Sun, Wenwu Zhu, Shiqiang Yang: Dispersing Instant Social Video Service Across Multiple Clouds. IEEE Trans. Parallel Distrib. Syst. 27(3): 735-747 (2016)

[10] Zhi Wang, Lifeng Sun, Chuan Wu, Wenwu Zhu, Qidong Zhuang, Shiqiang Yang: A Joint Online Transcoding and Delivery Approach for Dynamic Adaptive Streaming. IEEE Trans. Multimedia 17(6): 867-879 (2015)

[11] Zhi Wang, Lifeng Sun, Chuan Wu, Shiqiang Yang: Enhancing Internet-Scale Video Service Deployment Using Microblog-Based Prediction. IEEE Trans. Parallel Distrib. Syst. 26(3): 775-785 (2015)

[12] Zhi Wang, Lifeng Sun, Xiangwen Chen, Wenwu Zhu, Jiangchuan Liu, Minghua Chen, Shiqiang Yang: Propagation-based social-aware replication for social video contents. ACM Multimedia 2012: 29-38