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- research-articleJanuary 2025
AUGUR: practical mobile multipath transport service for low tail latency in real-time streaming
- Yuhan Zhou,
- Tingfeng Wang,
- Liying Wang,
- Nian Wen,
- Rui Han,
- Jing Wang,
- Chenglei Wu,
- Jiafeng Chen,
- Longwei Jiang,
- Shibo Wang,
- Honghao Liu,
- Chenren Xu
NSDI'24: Proceedings of the 21st USENIX Symposium on Networked Systems Design and ImplementationArticle No.: 104, Pages 1901–1916Real-time streaming applications like cloud gaming require consistently low latency, even at the tail. Our large-scale measurement based on a major cloud gaming service provider reveals that in Wi-Fi networks, the delay of the wireless hop can inflate ...
- research-articleJanuary 2025
SMUFF: towards line rate Wi-Fi direct transport with orchestrated on-device buffer management
NSDI'24: Proceedings of the 21st USENIX Symposium on Networked Systems Design and ImplementationArticle No.: 76, Pages 1369–1383Wi-Fi direct transport provides versatile connectivity that enables convenient data sharing and improves the productivity of mobile end users. However, as today's smartphones are capable of near-Gbps wireless data rates, current solutions do not ...
- research-articleNovember 2023
Adonis: Practical and Efficient Control Flow Recovery through OS-level Traces
ACM Transactions on Software Engineering and Methodology (TOSEM), Volume 33, Issue 1Article No.: 2, Pages 1–27https://doi.org/10.1145/3607187Control flow recovery is critical to promise the software quality, especially for large-scale software in production environment. However, the efficiency of most current control flow recovery techniques is compromised due to their runtime overheads along ...
- research-articleFebruary 2023
A novel dual-channel graph convolutional neural network for facial action unit recognition
Pattern Recognition Letters (PTRL), Volume 166, Issue CPages 61–68https://doi.org/10.1016/j.patrec.2023.01.001Highlights- The FACS-GCN is built to model the inherent AU relations referring to FACS.
- The DLR-GCN is built to complement individual differences ignored by FACS-GCN.
- The DGCN is proposed to integrate two types factors impacting AU ...
Facial Action Unit (AU) recognition is a challenging problem, where the subtle muscle movement brings diverse AU representations. Recently, AU relations are utilized to assist AU recognition and improve the understanding of AUs. Nevertheless, ...
- short-paperOctober 2022
Approximate and Interactive Processing of Aggregate Queries on Knowledge Graphs: A Demonstration
CIKM '22: Proceedings of the 31st ACM International Conference on Information & Knowledge ManagementPages 5034–5038https://doi.org/10.1145/3511808.3557158This paper demonstrates AGQ [26] - our system for approximate and interactive processing of aggregate queries on knowledge graphs (KGs), e.g., "what is the average price of cars produced in Germany?" One can support aggregate queries based on factoid ...
- rapid-communicationMarch 2022
Data-aware relation learning-based graph convolution neural network for facial action unit recognition
Pattern Recognition Letters (PTRL), Volume 155, Issue CPages 100–106https://doi.org/10.1016/j.patrec.2022.02.010Highlights- Propose a novel data-aware relation graph generator to build dynamic AU relation.
- Establish a DAR-GCN to improve discriminative AU representation learning.
- Improve the robustness of AU relation representation, especially in wild ...
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AbstractIn the paper, we propose a novel Data-aware relation graph convolutional neural network (DAR-GCN) for AU recognition. With learning and updating the relation dynamically, it facilitates modeling the potential dynamic individual facial expressing ...
- research-articleSeptember 2021
Developing a Merge Lane Change Decision Policy for Autonomous Vehicles by Deep Reinforcement Learning
2021 IEEE International Intelligent Transportation Systems Conference (ITSC)Pages 963–968https://doi.org/10.1109/ITSC48978.2021.9564533With autonomous vehicles (AVs) being actively developed, it becomes possible to optimize vehicle control policies and traffic management tools in a mixed vehicular environment. For individual AV control, acceleration and lane change are the two elementary ...
- ArticleSeptember 2019
A survey of metadata elements for provenance provision in china open government data portals
DCMI'19: Proceedings of the 2019 International Conference on Dublin Core and Metadata ApplicationsPages 69–74The open government movements facilitate the transparency and sharing of government data. Provenance of open government data (OGD) describes source information related to who, how, where, when and other information over the lifecycle of OGD. Provenance ...
- research-articleJune 2017
Performance Analysis and Tuning of Coexisting Duty Cycling WiFi and Wireless Sensor Networks
2017 14th Annual IEEE International Conference on Sensing, Communication, and Networking (SECON)Pages 1–9https://doi.org/10.1109/SAHCN.2017.7964903Energy efficiency is of utmost importance for wireless networks due to the prevalent usage of mobile devices in WLAN and wireless sensor networks (WSNs). Consequently, duty cycling MAC protocols are widely employed in both WLAN (i.e., power saving mode - ...
- research-articleDecember 2016
On the Optimal Fronthaul Compression and Decoding Strategies for Uplink Cloud Radio Access Networks
IEEE Transactions on Information Theory (ITHR), Volume 62, Issue 12Pages 7402–7418https://doi.org/10.1109/TIT.2016.2617862This paper investigates the compress-and-forward scheme for an uplink cloud radio access network (C-RAN) model, where multi-antenna base stations (BSs) are connected to a cloud-computing-based central processor (CP) via capacity-limited fronthaul links. ...
- research-articleOctober 2016
Macro Model of Advanced Devices for Parasitic Extraction
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCADICS), Volume 35, Issue 10Pages 1721–1729https://doi.org/10.1109/TCAD.2016.2524577In order to perform accurate parasitic extraction, foundries must provide the cross section profile of devices, and IP vendors must provide sufficient layout information. However, foundries and IP vendors are increasingly reluctant to reveal such ...
- research-articleAugust 2016
Fronthaul Compression and Transmit Beamforming Optimization for Multi-Antenna Uplink C-RAN
IEEE Transactions on Signal Processing (TSP), Volume 64, Issue 16Pages 4138–4151https://doi.org/10.1109/TSP.2016.2563388This paper considers the joint fronthaul compression and transmit beamforming design for the uplink cloud radio access network (C-RAN), in which multi-antenna users communicate with a cloud-computing based centralized processor (CP) through multi-antenna ...
- ArticleDecember 2015
On the coexistence of 802.11 and 802.15.4 networks with delay constraints
IPCCC '15: Proceedings of the 2015 IEEE 34th International Performance Computing and Communications Conference (IPCCC)Pages 1–8https://doi.org/10.1109/PCCC.2015.7410305Coexisting 802.11 and 802.15.4 single-cell wireless networks are experiencing significant performance degradation due to the aggressive nature of 802.11 (when compared to 802.15.4) and to their different traffic characteristics [1]. Providing tight delay ...