Welcome to our Research Group

The Multimedia Operating Systems and Networking (MONET) Research Group, led by Professor Klara Nahrstedt in the Department of Computer Science at the University of Illinois at Urbana-Champaign, is engaged in research in various areas of distributed multimedia systems.

Latest News

  • Paper accepted in ACM Multimedia 2024 Mingyuan Wu*, Ruifan Ji* (* indicates equal contribution), Haozhen Zheng, Jiaxi Li, Beitong Tian, Bo Chen, Ruixiao Zhang, Michael Zink, Ramesh Sitaraman, Jacob Chakareski, Klara Nahrstedt, Scene Graph Driven Hybrid Interactive VR Teleconferencing, ACM Multimedia, Oct 28-Nov 1, 2024 (Melbourne), demonstration. Congratulations!
  • Paper accepted in IEEE ICME 2024 Zichuan Liu*, Ke Wang*, Mingyuan Wu*,(* indicates equal contribution), Lantao Yu, Klara Nahrstedt, Xin Lu, I-Matting: Improved Trimap-free Image Matting,  IEEE International Conference on Multimedia and Expo, July 15-July 19, 2024 (Niagara Falls), Poster. Congratulations!
  • Paper accepted in the Journal of Future Internet’24 Ragini Gupta, Beitong Tian, Yaohui Wang, Klara Nahrstedt, “TWIN-ADAPT: Continuous Learning for Digital Twin-Enabled Online Anomaly Classification in IoT-Driven Smart Labs”,  Future Internet 16, no. 7, 2024.
  • Paper accepted in ACM MobiSys’24 Bo Chen, Zhisheng Yan, Bo Han, Klara Nahrstedt, “NeRFHub: A Context-Aware NeRF Serving Framework for Mobile Immersive Applications,” ACM MobiSys, 2024 (to appear), Congratulations!
  • Paper accepted in ACM MMSys’24 Bo Chen, Mingyuan Wu, Hongpeng Guo, Zhisheng Yan, Klara Nahrstedt, “Vesper: Learning to Manage Uncertainty in Video Streaming,” ACM MMSys, 2024 (to appear), Congratulations!
  • Paper accepted in ACM Transactions in Multimedia Computing, Communications and Applications Bo Chen, Zhisheng Yan, and Klara Nahrstedt, “Context-aware optimization for bandwidth-efficient visual analytics offloading”, ACM Transactions on Multimedia Computing, Communications and Applications, 2023, Congratulations!
  • Paper accepted in USENIX 2023 Bo Chen, Zhisheng Yan, Yinjie Zhang, Zhe Yang, and Klara Nahrstedt, “Lifter: Unleash learned codecs in video streaming with loose frame referencing”, 21st USENIX Symposium on Networked Systems Design and Implementation (to appear), Congratulations!
  • Paper accepted in IEEE CIC 2023 Ragini Gupta, Beitong Tian, Klara Nahrstedt, Claudiu Danilov, “RESONATE: Advancing Sustainability in IoT Networks through Smart and Selective Streaming”, IEEE International Conference on Collaboration and Internet Computing (IEEE CIC) 2023, Atlanta, USA, November 1-3, 2023. Congratulations!
  • Paper accepted in ISM 2023 Mingyuan Wu, Yuhan Lu, Shiv Trivedi, Bo Chen, Qian Zhou, Lingdong Wang, Simran Singh, Michael Zink, Ramesh Sitaraman, Jacob Chakareski, Klara Nahrstedt, “Interactive Scene Analysis for Teleconferencing”, IEEE International Symposium on Multimedia (ISM) 2023, Los Angeles, USA, December 11-13, 2023. Congratulations!

  • Paper accepted in ISM 2023 Yinjie Zhang, Mingyuan Wu, Beitong Tian, Jiaxi Li, Bo Chen, Qian Zhou, Klara Nahrstedt, “SAVG360: Saliency-aware Viewport-guidance-enabled 360-degree Video Streaming System”, IEEE International Symposium on Multimedia (ISM) 2023, Los Angeles, USA, December 11-13, 2023. Congratulations!

  • Continuous Excellence Team Award to Qian Zhou. Paper accepted in ISM 2023 Qian Zhou, Mingyuan Wu, Yinjie Zhang, Michael Zink, Ramesh Sitaraman, Klara Nahrstedt, “360TripleView: 360-Degree Video View Management System Driven by Convergence Value of Viewing Preferences”, IEEE International Symposium on Multimedia (ISM) 2023, Los Angeles, CA, December 11-13, 2023. Congratulations!

  • Paper accepted in IEEE SmartGridComm’23 Jude Battista, Klara Nahrstedt, Alfonso Valdes, and Shane, “Alerga: Alert Aggregation and Reasoning in GOOSE Simulation Pipeline”, in IEEE SmartGridComm 2023. Congratulations!
  • Best Paper Award to Beitong Tian. Paper accepted in UEMCON’23 Beitong Tian, Ahmadreza Eslaminia, Kuan-Chieh Lu, Yaohui Wang, Chenhui Shao, Klara Nahrstedt, “WeldMon: A Cost-effective Ultrasonic Welding Machine Condition Monitoring System”,  in 14th IEEE Annual Ubiquitous Computing, Electronics & Mobile Communication Conference (UEMCON 2023). Congratulations!
  • Paper accepted in NOSSDAV’23 Jiaxi Li, Jingwei Liao, Bo Chen, Anh Nguyen, Aditi Tiwari, Qian Zhou, Zhisheng Yan, and Klara Nahrstedt, “Latency-Aware 360-Degree Video Analytics Framework for First Responders Situational Awareness” In The 33rd edition of the Workshop on Network and Operating System Support for Digital Audio and Video (NOSSDAV ’23), 2023. Congratulations!
  • Paper accepted in MM Asia 2022 Qian Zhou, Zhe Yang, Hongpeng Guo, Beitong Tian, and Klara Nahrstedt, “360BroadView: Viewer Management for Viewport Prediction in 360-Degree Video Live Broadcast”, ACM International Conference on Multimedia in Asia (MM Asia) 2022. Congratulations!
  • Future-Computing-Report 2022 (White Paper) summarizes the major technical points, insights and directions that speakers brought forward during the Future Computing Symposium’21 event held by the Coordinated Science Lab (CSL), UIUC.
  • Paper accepted in ACM/IFIP Middleware 2022 Hongpeng Guo, Haotian Gu, Zhe Yang, Xiaoyang Wang, Eun Kung Lee, Nandhini Chandramoorthy, Tamar Eilam, Deming Chen and Klara Nahrstedt, “BoFL: Bayesian Optimized Local Training Pace Control for Energy Efficient Federated Learning”, In Proceedings of the 23rd ACM/IFIP International Middleware Conference (Middleware ’22). Congratulations!
  • Paper accepted in MIPR 2022 Qian Zhou, and Klara Nahrstedt, “Ultra-Sparse 360-Degree Camera View Synthesis for Immersive Virtual Tourism”, IEEE International Conference on Multimedia Information Processing and Retrieval (MIPR) 2022. Congratulations!
  • Paper accepted in ACM ApPLIED 2022 (co-located with ACM PODC): Ragini Gupta, Bo Chen, Shengzhong Liu, Tianshi Wang, Sandeep Singh Sandha, Abel Souza, Klara Nahrstedt, Tarek Abdelzaher, Mani Srivastava, Prashant Shenoy, Jeffrey Smith, Maggie Wigness, and Niranjan Suri, “DARTS: Distributed IoT Architecture for Real-Time, Resilient and AI-Compressed Workflows”, In Proceedings of the 2022 Workshop on Advanced tools, programming languages, and PLatforms for Implementing and Evaluating algorithms for Distributed systems (ApPLIED ’22), ACM.
  • Best Paper Award to Bo Chen in MMSys 2022 Bo Chen, Zhisheng Yan, Klara Nahrstedt, “Context-Aware Compression Optimization for Visual Analytics Offloading”, 13th ACM Multimedia Systems (MMSys 2022), Ireland, June 2022 . Congratulations!
  • Paper accepted in CLeaR 2022: Xiaoyang Wang, Klara Nahrstedt, and Oluwasanmi O Koyejo, “Identifying Coarse-grained Independent Causal Mechanisms with Self-supervision”, 1st conference on Causal Learning and Reasoning (CLeaR) , April 2022. Congratulations!
  • Best Student Paper Award to Ayush Sarkar in ISM 2021: Ayush Sarkar, John Murray, Mallesham Dasari, Michael Zink, Klara Nahrstedt, “L3BOU: Low Latency, Low Bandwidth Optimized Super-Resolution Backhaul for 360-Degree Video Streaming”, IEEE International Symposium on Multimedia (ISM) 2021, December 2021 (virtual). Congratulations!
  • Best Student Paper Award in ISM 2021: Ayush Sarkar, John Murray, Mallesham Dasari, Michael Zink, Klara Nahrstedt, “L3BOU: Low Latency, Low Bandwidth Optimized Super-Resolution Backhaul for 360-Degree Video Streaming”, IEEE International Symposium on Multimedia (ISM) 2021, December 2021 (virtual). Congratulations!
  • Paper accepted in ISM 2021 : Qian Zhou, Bo Chen, Zhe Yang, Hongpeng Guo, Klara Nahrstedt, “360ViewPET: View-Based Pose EsTimation for Ultra-Sparse 360-Degree Cameras”, IEEE International Symposium on Multimedia (ISM) 2021, December 2021 (virtual). Congratulations!
  • Paper accepted in DistributedML 2021 : Hadjer Benkraouda, Klara Nahrstedt, “Image Reconstruction Attacks on Distributed Machine Learning Models”, ACM 2nd Workshop on Distributed Machine Learning (DistributedML 2021) colocated with ACM CoNEXT 2021 (virtual). Congratulations!
  • Paper accepted in MASS 2021: Paper of Beitong Tian, Zhe Yang, Hessam Moeini, Ragini Gupta, Patrick Su, Robert Kaufman, Mark McCollum, John Dallesasse, Klara Nahrstedt, “SENSELET++: A Low-cost Internet of Things Sensing Platform for Academic Cleanrooms”, has been accepted by The 18th IEEE International Conference on Mobile Ad-Hoc and Smart Systems (MASS 2021). Congratulations!
  • Best Paper in World Forum on Internet of Things 2021 (WF-IoT) Conference: Ragini Gupta, Klara Nahrstedt, Niranjan Suri, and Jeffrey Smith , “SVAD: End-to-End Sensory Data Analysis for IoBT-Driven Platforms”, has been awarded the best paper in IEEE World Forum on Internet of Things (WF-IoT), 2021
  • Paper accepted in MMSys 2021: Paper of Hongpeng Guo, Shuochao Yao, Zhe Yang, Qian Zhou, Klara Nahrstedt. “CrossRoI: Cross-camera Region of Interest Optimization for Efficient Real Time Video Analytics at Scale”, has been accepted by The 12th ACM Multimedia Systems Conference (MMSys 2021). Congratulations!
  • Paper accepted in MMSys 2021: Paper of Bo Chen, Klara Nahrstedt“EScALation: A Framework for Efficient and Scalable Spatio-temporal Action Localization”, has been accepted by The 12th ACM Multimedia Systems Conference (MMSys 2021). Congratulations!
  • Paper accepted in SEC 2021: Paper of Zhe Yang, Hongpeng Guo, Klara Nahrstedt, “DeepRT: A Soft Real Time Scheduler for Computer Vision Applications on the Edge”, has been accepted by The Sixth ACM/IEEE Symposium on Edge Computing. Congratulations!
  • Paper accepted in AAAI 2021: Paper of Xiaoyang Wang, Bo Li, Yibo Zhang, Bhavya Kailkhura, Klara Nahrstedt, “Robusta: Robust AutoML for Feature Selection via Reinforcement Learning”, has been accepted by Proceedings of the AAAI Conference on Artificial Intelligence. Congratulations!
  • Paper accepted in ISM 2020: Paper of Jounsup Park, Mingyuan Wu, Eric Lee, Chen Bo, Klara Nahrstedt, Michael Zink and Ramesh Sitaraman, “SEAWARE: Semantic Aware View Prediction System for 360-degree Video Streaming”, has been accepted by Proceedings of the 22nd IEEE International Symposium on ​ Multimedia. Congratulations!
  • Paper accepted in ISM 2020: Paper of Bo Chen, Ahmed Ali-Eldin, Prashant Shenoy and Klara Nahrstedt, “Real-time Spatio-Temporal Action Localization in 360 Videos”, has been accepted by Proceedings of the 22nd IEEE International Symposium on ​ Multimedia. Congratulations!
  • Paper accepted in SmartGridComm 2020: Paper of Atul Bohara, Jordi Ros-Giralt, Ghada Elbez, Alfonso Valdes, Klara Nahrstedt, William Sanders, “ED4GAP: Efficient Detection for GOOSE-Based Poisoning Attacks on IEC 61850 Substations”, IEEE SmartGridComm 2020 (virtual). Congratulations!
  • Paper accepted in ACM Multimedia 2020: Paper of Jounsup Park, Mingyuan Wu, Eric Lee, Klara Nahrstedt, Yash Shah, Arielle Rosenthal, John Murray, Kevin Spiteri, Michael Zink, Ramesh Sitaraman, “Video 360 Content Navigation for Mobile HMD Devices”, ACM Multimedia, October 13-15, 2020 (virtual), demonstration. Congratulations!
  • Paper accepted in ICCCN 2020: Paper of Hongpeng Guo, Tianyuan Liu, King-Shan Lui, Claudiu Danilov, Klara Nahrstedt, “Secure Broadcast Protocol for Unmanned Aerial Vehicle Swarm”, 29th IEEE International Conference on Computer Communications and Networks (ICCCN) 2020, Honolulu, Hawaii, August 3-6, 2020. Congratulations!
  • Paper accepted in ACM PACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 2019: Paper of Tuo Yu, Haiming Jin and Klara Nahrstedt, “ShoesLoc: In-Shoe Force Sensor-Based Indoor Walking Path Tracking”, has been accepted by ACM PACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, vol. 3(1), 2019. Congratulations!
  • Paper accepted in Proceedings of the IEEE 2019: Paper of Mike Zink, Ramesh Sitaraman, Klara Nahrstedt, “Scalable 360° Video Stream Delivery: Challenges, Solutions and Opportunities”, has been accepted by Proceedings of the IEEE, Volume: 107, Issue: 4, April 2019. Congratulations!
  • Paper accepted in International Journal of Telerehabilitation 2019: Paper of A. Borresen, C. Wolfe, C-K Lin, Y. Tian, S. Raghuraman, K. Nahrstedt, B. Prabhakaran, Thiru Annaswamy, “Usability of an Immersive Augmented Reality Based Telerehabilitation System with Haptics (ARTESH) for Synchronous Remote Musculoskeletal Examination”, International Journal of Telerehabilitation, Volume 11, Number 1, 2019. Congratulations!
  • Paper accepted in CCGRID 2019: Paper of Tarek Elgamal, Klara Nahrstedt “Serdab: An IoT Framework for Partitioning Neural Networks Computation across Multiple Enclaves”, has been accepted by IEEE/ACM International Symposium on Cluster, Cloud and Internet Computing (CCGRID’20). Congratulations!
  • Paper accepted in EAI MobiQuitous 2019: Paper of Tuo Yu, Wenyu Ren, Klara Nahrstedt, “MMLOC: Multi-Mode Indoor Localization System Based on Smart Access Points”, has been accepted by EAI MobiQuitous 2019. Congratulations!
  • Paper accepted in IEEE SmartGridComm 2019: Paper of Wenyu Ren, Tuo Yu, Timothy Yardley, Klara Nahrstedt, “CAPTAR: Causal-Polytree-based Anomaly Reasoning for SCADA Networks”, has been accepted by IEEE SmartGridComm 2019. Congratulations!
  • Paper accepted in Interactive, Mobile, Wearable and Ubiquitous Technologies (ACM IMWUT 2019): Paper of Tuo Yu, Klara Nahrstedt, “ShoesHacker: Indoor Corridor Map and User Location Leakage through Force Sensors in Smart Shoes”, has been accepted by ACM IMWUT 2019. Congratulations!
  • Paper accepted in Interactive, Mobile, Wearable and Ubiquitous Technologies (ACM IMWUT 2019): Paper of Tuo Yu, Haiming Jin, Klara Nahrstedt, “ShoesLoc: In-Shoe Force Sensor-Based Indoor Walking Path Tracking”, has been accepted by ACM IMWUT 2019. Congratulations!
  • Tuo Yu awarded Yunni & Maxine Pao Memorial Fellowship for 2019-2020 academic year: Congratulations!
  • Paper accepted in ACM Multimedia Systems Conference (MMSys 2019): Paper of Bo Chen, Zhisheng Yan, Haiming Jin, Klara Nahrstedt“Event-driven Stitching for Tile-based Live 360 Video Streaming”, has been accepted by MMSys 2019. Congratulations!
  • Paper accepted in the 3rd ACM/IEEE Symposium on Edge Computing (SEC 2018): Paper of Tarek Elgamal, Atul Sandur, Klara Nahrstedt, Gul Agha, “Costless: Optimizing Cost of Serverless Computing through Function Fusion and Placement , has been accepted by SEC 2018. Congratulations!
  • Paper accepted in EAI International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services (MobiQuitous 2018): Paper of Bo Chen, Klara Nahrstedt, Carl Gunter“ReSPonSe: Real-time, Secure, and Privacy-aware Video Redaction System”, has been accepted by MobiQuitous 2018. Congratulations!
  • Paper accepted in ACM Trans. on Multimedia Computing, Communications, and Applications (TOMM 2018): Paper of Tuo Yu, Haiming Jin, Wai-Tian Tan, Klara Nahrstedt“SKEPRID: Pose and Illumination Change-Resistant Skeleton-Based Person Re-Identification”, has been accepted by TOMM 2018. Congratulations!
  • Paper accepted in 8th IEEE International Conference on Distributed Computing Systems (ICDCS): Paper of Tianyuan Liu, Adam Bates, Klara Nahrstedt“AliDrone: Enabling Trustworthy Proof-of-Alibi for Commercial Drone Compliance”, has been accepted by ICDCS 2018. Congratulations!
  • Paper accepted in 2018 IEEE International Conference on Cloud Computing (IEEE CLOUD 2018) (Nominated for Best Paper Award): Paper of Tarek Elgamal, Atul Sandur, Phuong Elgamal, Klara Nahrstedt, Gul Agha“DROPLET: Distributed Operator placement for IoT Applications Spanning Edge and Cloud Resources”, has been accepted by IEEE CLOUD 2018. Congratulations!
  • Paper accepted in Fusion 2018: Paper of Haiming Jin, Hongpeng Gao, Klara Nahrstedt“Squadron: Incentivizing Quality-Aware Mission-Driven Crowd Sensing”, has been accepted by ICDCS 2018. Congratulations!
  • Paper accepted in IEEE International Conference on Multimedia Information Processing and Retrieval: Paper of Tuo Yu, Haiming Jin, Klara Nahrstedt, “Audio based Handwriting Input for Tiny Mobile Devices”, has been accepted by MIPR 2018. Congratulations!
  • Paper accepted in IEEE/ACM Transactions on Networking 2018: Paper of Haiming Jin, Lu Su, Houping Xiao, Klara Nahrstedt, “Incentive Mechanism for Privacy-Aware Data Aggregation in Mobile Crowd Sensing Systems”, has been accepted by TON 2018. Congratulations!
  • Paper accepted in SysML 2018: Paper of Tarek Elgamal, Atul Sandur, Klara Nahrstedt, Gul Agha, “Distributed Placement of Machine Learning Operators for IoT applications spanning Edge and Cloud Resources”, has been accepted by SysML 2018. Congratulations!
  • Paper accepted in ACM MM 2017: Paper of Tarek Elgamal and Klara Nahrstedt, “Multicamera summarization of rehabilitation sessions in home environment”, has been accepted by ACM MM 2017. Congratulations!
  • Demo accepted in ACM MM 2017: Paper of Tarek Elgamal, Bo Chen and Klara Nahrstedt, “Teleconsultant: Communication and analysis of wearable videos in emergency medical environment”, has been accepted by ACM MM 2017. Congratulations!
  • SigMM Outstanding PhD THesis Award 2017: The thesis by Dr. Chien-Nan (Shannon) Chen entitled: Semantics-Aware Content Delivery Framework For 3D Tele-Immersion was selected for SIGMM Outstanding PhD Thesis Award.
  • Best Paper in IEEE/ACM CCGrid 2017: Paper of Phuong Nguyen, Steven Konstanty, Todd Nicholson, Thomas O’brien, Aaron Schwartz-Duval, Timothy Spila, Klara Nahrstedt, Roy H. Campbell, Indranil Gupta, Michael Chan, Kenton McHenry, Normand Paquin. “4CeeD: Real-time Acquisition and Analysis Framework for Materials-related Cyber-Physical Environments”, has been awarded the best paper in the 17th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGrid) 2017, Madrid, Spain, May 14-17, 2017.
  • Haiming Jin awarded Best-in-Session-Presentation Award at INFOCOM 2017: Haiming Jin has been awarded the Best-in-Session-Presentation Award In Technical Session Crowdsensing II at INFOCOM 2017. Congratulations!
  • Paper accepted in IEEE ICAC 2017: Paper of Phuong Nguyen and Klara Nahrstedt, “MONAD: Self-adaptive Micro-service Infrastructure for Heterogeneous Scientific Workflows”, has been accepted by ICAC 2017. Congratulations!
  • Paper accepted in IEEE CCGrid 2017: Paper of Phuong Nguyen, Steven Konstanty, Todd Nicholson, Thomas O’brien, Aaron Schwartz-Duval, Timothy Spila, Klara Nahrstedt, Roy H. Campbell, Indranil Gupta, Michael Chan, Kenton McHenry, Normand Paquin. “4CeeD: Real-time Acquisition and Analysis Framework for Materials-related Cyber-Physical Environments”, has been accepted by CCGrid 2017. Congratulations!
  • Paper accepted in IEEE INFOCOM 2017: Paper of Haiming Jin, Lu Su, and Klara Nahrstedt, “CENTURION: Incentivizing Multi-Requester Mobile Crowd Sensing”, has been accepted by INFOCOM 2017. Congratulations!
  • Paper accepted in ACM UbiComp 2016: Paper of Tuo Yu, Haiming Jin, and Klara Nahrstedt, “WritingHacker: Audio based Eavesdropping of Handwriting via Mobile Devices”, has been accepted by ACM UbiComp 2016. Congratulations on Tuo’s first paper at UIUC!
  • Shannon Chen Awarded Best-in-Session Presentation Award at INFOCOM 2016: Shannon Chen has been awarded the Best-in-Session Presentation Award In Technical Session Streaming Video at INFOCOM 2016. Congratulations!
  • Paper accepted in IEEE BigMM 2016: Paper of Shannon Chen, Zhenhuan Gao, Aadhar Jain, Klara Nahrstedt, Ahsan Arefin, and Raoul Rivas, “Metadata-Based Activity Analysis in 3D Tele-Immersion”, has been accepted by IEEE BigMM 2016. Congratulations!