113 citations · 425 across the 25 of their papers we have counts for
25 papers
Multimedia Edge Computing
Zhi Wang, Wenwu Zhu, Lifeng Sun +6
In this paper, we investigate the recent studies on multimedia edge computing, from sensing not only traditional visual/audio data but also individuals' geographical preference and…
Self-play Reinforcement Learning for Video Transmission
Tianchi Huang, Rui-Xiao Zhang, Lifeng Sun
Video transmission services adopt adaptive algorithms to ensure users' demands. Existing techniques are often optimized and evaluated by a function that linearly combines several w…
Continual Local Training for Better Initialization of Federated Models
Xin Yao, Lifeng Sun
Federated learning (FL) refers to the learning paradigm that trains machine learning models directly in the decentralized systems consisting of smart edge devices without transmitt…
Adversarial Feature Alignment: Avoid Catastrophic Forgetting in Incremental Task Lifelong Learning
Xin Yao, Tianchi Huang, Chenglei Wu +2
Human beings are able to master a variety of knowledge and skills with ongoing learning. By contrast, dramatic performance degradation is observed when new tasks are added to an ex…
Federated Learning with Unbiased Gradient Aggregation and Controllable Meta Updating
Xin Yao, Tianchi Huang, Rui-Xiao Zhang +2
Federated learning (FL) aims to train machine learning models in the decentralized system consisting of an enormous amount of smart edge devices. Federated averaging (FedAvg), the…
Federated Learning with Additional Mechanisms on Clients to Reduce Communication Costs
Xin Yao, Tianchi Huang, Chenglei Wu +2
Federated learning (FL) enables on-device training over distributed networks consisting of a massive amount of modern smart devices, such as smartphones and IoT (Internet of Things…
Comyco: Quality-Aware Adaptive Video Streaming via Imitation Learning
Tianchi Huang, Chao Zhou, Rui-Xiao Zhang +3
Learning-based Adaptive Bit Rate~(ABR) method, aiming to learn outstanding strategies without any presumptions, has become one of the research hotspots for adaptive streaming. Howe…
Reactive Video Caching via long-short-term fusion approach
Rui-Xiao Zhang, Tianchi Huang, Chenglei Wu +1
Video caching has been a basic network functionality in today's network architectures. Although the abundance of caching replacement algorithms has been proposed recently, these me…
Tiyuntsong: A Self-Play Reinforcement Learning Approach for ABR Video Streaming
Tianchi Huang, Xin Yao, Chenglei Wu +3
Existing reinforcement learning~(RL)-based adaptive bitrate~(ABR) approaches outperform the previous fixed control rules based methods by improving the Quality of Experience~(QoE)…
Multi-User Cooperative Mobile Video Streaming: Performance Analysis and Online Mechanism Design
Lin Gao, Ming Tang, Haitian Pang +2
Adaptive bitrate streaming enables video users to adapt their playing bitrates to the real-time network conditions, hence achieving the desirable quality-of-experience (QoE). In a…
Performance Bound Analysis for Crowdsourced Mobile Video Streaming
Lin Gao, Ming Tang, Haitian Pang +2
Adaptive bitrate (ABR) streaming enables video users to adapt the playing bitrate to the real-time network conditions to achieve the desirable quality of experience (QoE). In this…
Delay-Constrained Rate Control for Real-Time Video Streaming with Bounded Neural Network
Tianchi Huang, Rui-Xiao Zhang, Chao Zhou +1
Rate control is widely adopted during video streaming to provide both high video qualities and low latency under various network conditions. However, despite that many work have be…
QARC: Video Quality Aware Rate Control for Real-Time Video Streaming via Deep Reinforcement Learning
Tianchi Huang, Rui-Xiao Zhang, Chao Zhou +1
Due to the fluctuation of throughput under various network conditions, how to choose a proper bitrate adaptively for real-time video streaming has become an upcoming and interestin…
When Data Sponsoring Meets Edge Caching: A Game-Theoretic Analysis
Haitian Pang, Lin Gao, Qinghua Ding +1
Data sponsoring is a widely-used incentive method in today's cellular networks, where video content providers (CPs) cover part or all of the cellular data cost for mobile users so…
Towards Wi-Fi AP-Assisted Content Prefetching for On-Demand TV Series: A Reinforcement Learning Approach
Wen Hu, Yichao Jin, Yonggang Wen +2
The emergence of smart Wi-Fi APs (Access Point), which are equipped with huge storage space, opens a new research area on how to utilize these resources at the edge network to impr…
Multi-Dimensional Auction Mechanisms for Crowdsourced Mobile Video Streaming
Ming Tang, Haitian Pang, Shou Wang +3
Crowdsourced mobile video streaming enables nearby mobile video users to aggregate network resources to improve their video streaming performances. However, users are often selfish…
Joint Optimization of Data Sponsoring and Edge Caching for Mobile Video Delivery
Haitian Pang, Lin Gao, Lifeng Sun
In this work, we study the joint optimization of edge caching and data sponsoring for a video content provider (CP), aiming at reducing the content delivery cost and increasing the…
Dynamic Flow Scheduling Strategy in Multihoming Video CDNs
Ming Ma, Zhi Wang, Yankai Zhang +1
Multihoming for a video Content Delivery Network (CDN) allows edge peering servers to deliver video chunks through different Internet Service Providers (ISPs), to achieve an improv…
A Measurement Study of TCP Performance for Chunk Delivery in DASH
Wen Hu, Zhi Wang, Lifeng Sun
Dynamic Adaptive Streaming over HTTP (DASH) has emerged as an increasingly popular paradigm for video streaming [13], in which a video is segmented into many chunks delivered to us…
Towards Network-Failure-Tolerant Content Delivery for Web Content
Wen Hu, Zhi Wang, Lifeng Sun
Popularly used to distribute a variety of multimedia content items in today Internet, HTTP-based web content delivery still suffers from various content delivery failures. Hindered…
Social- and Mobility-Aware Device-to-Device Content Delivery
Zhi Wang, Lifeng Sun, Miao Zhang +3
Mobile online social network services have seen a rapid increase, in which the huge amount of user-generated social media contents propagating between users via social connections…
Understanding Content Placement Strategies in Smartrouter-based Peer CDN for Video Streaming
Ming Ma, Zhi Wang, Ke Su +1
Recent years have witnessed a new video delivery paradigm: smartrouter-based peer video content delivery network, which is enabled by smartrouters deployed at users' homes. ChinaCa…
Understanding the Smartrouter-based Peer CDN for Video Streaming
Ming Ma, Zhi Wang, Ke Su +1
Recent years have witnessed a new video delivery paradigm: smartrouter-based video delivery network, which is enabled by smartrouters deployed at users' homes, together with the co…
MAP: Microblogging Assisted Profiling of TV Shows
Xiahong Lin, Zhi Wang, Lifeng Sun
Online microblogging services that have been increasingly used by people to share and exchange information, have emerged as a promising way to profiling multimedia contents, in a s…