Difference between revisions of "Resource:Seminar"

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The reading list could be found [[Resource:Reading_List|here]].
{{SemNote
=== Latest ===
|time='''2024-09-29 10:30-12:00'''
{{Latest_seminar
|addr=4th Research Building A518
|confname=2013 Proceedings IEEE INFOCOM
|note=Useful links: [[Resource:Reading_List|📚 Readling list]]; [[Resource:Seminar_schedules|📆 Schedules]]; [[Resource:Previous_Seminars|🧐 Previous seminars]].
|link=https://ieeexplore.ieee.org/document/6566928
|title=Cooperative Packet Recovery in Enterprise WLANs
|speaker=Wenliang Mao
}}
}}
{{Latest_seminar
|confname=IEEE Access'19
|link=https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8603743
|title=Code-Partitioning Offloading Schemes in Mobile Edge Computing for Augmented Reality
|speaker=Chang Shu
}}
<pre style="white-space: pre-wrap;">
Time:2019-10-16
Address:B1-612, Main Building, Qingshuihe, UESTC
</pre>


=== History ===
===Latest===
====2019====


{{Hist_seminar
{{Latest_seminar
|confname=Paper_Carnival_2019
|abstract = Overlapping cameras offer exciting opportunities to view a scene from different angles, allowing for more advanced, comprehensive and robust analysis. However, existing video analytics systems for multi-camera streams are mostly limited to (i) per-camera processing and aggregation and (ii) workload-agnostic centralized processing architectures. In this paper, we present Argus, a distributed video analytics system with cross-camera collaboration on smart cameras. We identify multi-camera, multi-target tracking as the primary task of multi-camera video analytics and develop a novel technique that avoids redundant, processing-heavy identification tasks by leveraging object-wise spatio-temporal association in the overlapping fields of view across multiple cameras. We further develop a set of techniques to perform these operations across distributed cameras without cloud support at low latency by (i) dynamically ordering the camera and object inspection sequence and (ii) flexibly distributing the workload across smart cameras, taking into account network transmission and heterogeneous computational capacities. Evaluation of three real-world overlapping camera datasets with two Nvidia Jetson devices shows that Argus reduces the number of object identifications and end-to-end latency by up to 7.13× and 2.19× (4.86× and 1.60× compared to the state-of-the-art), while achieving comparable tracking quality.
|link=http://mobinets.org/index.php?title=Resource:Paper_Carnival_2019
|confname=TMC' 24
|title=We discussed the latest interesting papers in [[Resource:Paper_Carnival_2019|Paper Carnival 2019]]
|link = https://ieeexplore.ieee.org/abstract/document/10682605
|speaker=ALL
|title= Argus: Enabling Cross-Camera Collaboration for Video Analytics on Distributed Smart Cameras
|date=2019-09-28,29,30
|speaker=Bairong
}}
|date=2024-9-29
{{Hist_seminar
|confname=INFOCOM'19
|link=http://netarchlab.tsinghua.edu.cn/~junbi/INFOCOM2019-1.pdf
|title=Octans: Optimal Placement of Service Function Chains in Many-Core Systems
|speaker=Yuntong Zhang
|date=2019-05-22
}}
{{Hist_seminar
|confname=INFOCOM'19
|link=https://ieeexplore.ieee.org/abstract/document/8737660
|title=Adaptive Interference-Aware VNF Placement for Service-Customized 5G Network Slices
|speaker=Zhe Wang
|date=2019-05-22
}}
{{Hist_seminar
|confname=Tech. Rep.
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=Recent progress and further trends on EdgeCloudSim
|speaker=Yunpeng Han
|date=2019-04-19
}}
{{Hist_seminar
|confname=MobiCom'19
|link=https://arxiv.org/pdf/1812.03103.pdf
|title=mD-Track: Leveraging Multi-Dimensionality for Passive Indoor Wi-Fi Tracking
|speaker=Xuan Yang
|date=2019-04-19
}}
{{Hist_seminar
|confname=NSDI'19
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=Correctness and Performance for Stateful Chained Network Functions
|speaker=Yunpeng Han
|date=2019-04-19
}}
{{Hist_seminar
|confname=INFOCOM'19
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=Charging Oriented Sensor Placement and Flexible Scheduling in Rechargeable WSN
|speaker=Wenjie Huang
|date=2019-04-12
}}
{{Hist_seminar
|confname=SIGCOMM'13
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=Developing a Predictive Model of Quality of Experience for Internet Video
|speaker=Yuhong Jiang
|date=2019-04-12
}}
{{Hist_seminar
|confname=INFOCOM'19
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=Brush like a Dentist: Accurate Monitoring of Toothbrushing via Wrist-Worn Gesture Sensing
|speaker=Jingwei Li
|date=2019-03-29
}}
{{Hist_seminar
|confname=INFOCOM'19
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=Nomad: An Efficient Consensus Approach for Latency-Sensitive Edge-Cloud Applications
|speaker=Anqi Yang
|date=2019-03-29
}}
{{Hist_seminar
|confname=INFOCOM'19
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=Winning at the Starting Line: Joint Network Selection and Service Placement for Mobile Edge Computing
|speaker=Chang Shu
|date=2019-03-22
}}
{{Hist_seminar
|confname=INFOCOM'19
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=Interference Recycling: Exploiting Interfering Signals to Enhance Data Transmission
|speaker=Wenliang Mao
|date=2019-03-22
}}
{{Hist_seminar
|confname=COMST'18
|link=https://ieeexplore.ieee.org/document/8430735/
|title=Small Cells in the Forthcoming 5G/IoT: Traffic Modeling and Deployment Overview
|speaker=Anqi Yang
|date=2019-01-04
}}
}}


====2018====
{{Latest_seminar
{{Hist_seminar
|abstract = We present FarfetchFusion, a fully mobile live 3D telepresence system. Enabling mobile live telepresence is a challenging problem as it requires i) realistic reconstruction of the user and ii) high responsiveness for immersive experience. We first thoroughly analyze the live 3D telepresence pipeline and identify three critical challenges: i) 3D data streaming latency and compression complexity, ii) computational complexity of volumetric fusion-based 3D reconstruction, and iii) inconsistent reconstruction quality due to sparsity of mobile 3D sensors. To tackle the challenges, we propose a disentangled fusion approach, which separates invariant regions and dynamically changing regions with our low-complexity spatio-temporal alignment technique, topology anchoring. We then design and implement an end-to-end system, which achieves realistic reconstruction quality comparable to existing server-based solutions while meeting the real-time performance requirements (<100 ms end-to-end latency, 30 fps throughput, <16 ms motion-to-photon latency) solely relying on mobile computation capability.
|confname=SIGCOMM'18
|confname=MobiCom' 23
|link=https://conferences.sigcomm.org/events/apnet2018/papers/elastic_sketch.pdf
|link = https://dl.acm.org/doi/abs/10.1145/3570361.3592525
|title=Elastic Sketch: Adaptive and Fast Network-wide Measurements
|title= FarfetchFusion: Towards Fully Mobile Live 3D Telepresence Platform
|speaker=Wenliang Mao
|speaker=Mengfan
|date=2018-12-21
|date=2024-9-29
}}
{{Hist_seminar
|confname=TMC'17
|link=https://ieeexplore.ieee.org/document/7458131/
|title=Performance analysis of mobile data offloading in heterogeneous networks
|speaker=Yunpeng Han
|date=2018-12-06
}}
{{Hist_seminar
|confname=COMST'18
|link=https://ieeexplore.ieee.org/document/8430735/
|title=Small Cells in the Forthcoming 5G/IoT: Traffic Modelling and Deployment Overview
|speaker=Anqi Yang
|date=2018-12-06
}}
{{Hist_seminar
|confname=TMC'17
|link=http://ieeexplore.ieee.org/document/7272098/
|title=A Reliability-Augmented Particle Filter for Magnetic Fingerprinting based Indoor Localization on Sma
|speaker=Wenjie Huang
|date=2018-11-30
}}
{{Hist_seminar
|confname=ToN'18
|link=https://ieeexplore.ieee.org/abstract/document/8519737
|title=A Distributed Computation Offloading Strategy in Small-Cell Networks Integrated With Mobile Edge Computing
|speaker=Yuhong Jiang
|date=2018-11-23
}}
{{Hist_seminar
|confname=ICNP'18
|link=https://ieeexplore.ieee.org/abstract/document/8526830
|title=Networking Support For Physical-Layer Cross-Technology Communication
|speaker=Jingwei Li
|date=2018-11-23
}}
{{Hist_seminar
|confname=IoT Journal'18
|link=https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8361406
|title=Mobile-Edge Computation Offloading for Ultra-Dense IoT Networks
|speaker=Chang Shu
|date=2018-11-16
}}
{{Hist_seminar
|confname=IPSN'17
|link=http://mpc.ece.utexas.edu/media/uploads/publishing/blend_ipsn17.pdf
|title=BLEnd: Practical Continuous Neighbor Discovery for Bluetooth Low Energy
|speaker=Minghang Yang
|date=2018-11-16
}}
{{Hist_seminar
|confname=Topic
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=LoRa Applications (two papers)
|speaker=Xinyuan Huang
|date=2018-10-19
}}
{{Hist_seminar
|confname=TMC'17
|link=https://ieeexplore.ieee.org/abstract/document/8476204
|title=Static and Mobile Target k-Coverage in Wireless Rechargeable Sensor Networks
|speaker=Shuowei Chen
|date=2018-10-19
}}
{{Hist_seminar
|confname=EWSN'17
|link=https://dl.acm.org/citation.cfm?id=3108015
|title=MOR: Multichannel Opportunistic Routing for Wireless Sensor Networks
|speaker=Xuan Yang
|date=2018-10-12
}}
{{Hist_seminar
|confname=TMC'17
|link=https://ieeexplore.ieee.org/abstract/document/7874147
|title= Hermes: Latency Optimal Task Assignment for Resource-constrained Mobile Computing
|speaker=Yunpeng Han
|date=2018-10-12
}}
{{Hist_seminar
|confname=MobiCom'17
|link=https://www.youtube.com/watch?v=e02p7813kN8
|title=FoggyCache: Cross-Device Approximate Computation Reuse
|speaker=Jingwei Li
|date=2018-09-30
}}
{{Hist_seminar
|confname=INFOCOM'18
|link=https://ieeexplore.ieee.org/abstract/document/8406950/
|title=Knowledge-centric proactive edge caching over mobile content distribution network
|speaker=Anqi Yang
|date=2018-09-21
}}
{{Hist_seminar
|confname=TWC'18
|link=https://ieeexplore.ieee.org/abstract/document/8443421/
|title=Enhancing Video Rate Adaptation with Mobile Edge Computing and Caching in Software-defined Mobile Ne
|speaker=Yuhong Jiang
|date=2018-09-21
}}
{{Hist_seminar
|confname=INFOCOM'18
|link=https://netlab.dcs.gla.ac.uk/uploads/files/4239e2a52ef02c46fbdccb8ad0de1448.pdf
|title=Dynamic,Latency-Optimal vNF Placement at the Network Edge
|speaker=Latency-Optimal vNF Placement at the Network Edge
|date=Chang Shu}}
{{Hist_seminar
|confname=TMC'17
|link=https://ieeexplore.ieee.org/abstract/document/7572937/
|title=Neighbor Discovery and Rendezvous Maintenance with Extended Quorum Systems for Mobile Applications
|speaker=Minghang Yang
|date=2018-09-14
}}
{{Hist_seminar
|confname=Special Session
|link=http://mobinets.org/seminar/carnival18mns/program.pdf
|title=3-day discussion on recent papers in wireless,networking and mobile
|speaker=networking and mobile</a>
|date=Chang Shu}}
{{Hist_seminar
|confname=IPSN'18
|link=https://dl.acm.org/citation.cfm?id=3207955
|title=Charm: Exploiting Geographical Diversity Through Coherent Combining in Low-Power Wide-Area Networks
|speaker=Weifeng Gao
|date=2018-06-15
}}
{{Hist_seminar
|confname=INFOCOM'18
|link=http://grid.hust.edu.cn/fmliu/vnf-scaling-infocom1
|title=Adaptive VNF Scaling and Flow Routing with Proactive Demand Prediction
|speaker=Chang Shu
|date=2018-06-15
}}
{{Hist_seminar
|confname=ComMag'17
|link=https://ieeexplore.ieee.org/document/8004165/
|title=The Algorithmic Aspects of Network Slicing
|speaker=Yunpeng Han
|date=2018-06-08
}}
{{Hist_seminar
|confname=IPSN'18
|link=https://dl.acm.org/citation.cfm?id=3207954
|title=Continuous Wireless Link Rates for Internet of Things
|speaker=Luqi Yang
|date=2018-06-08
}}
{{Hist_seminar
|confname=INFOCOM'18
|link=https://www.researchgate.net/publication/325190993
|title=TwinBee: Reliable Physical-Layer Cross-Technology Communication with Symbol-Level Coding
|speaker=Xinyuan Huang
|date=2018-06-01
}}
{{Hist_seminar
|confname=Invited Tech.Rep.
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=Report on recent research progress
|speaker=Songfan Li
|date=2018-06-01
}}
{{Hist_seminar
|confname=Special Session
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=Scheduling Algorithms for Resource-Constrained Systems
|speaker=Prof. Dakai Zhu from UTSA
|date=2018-05-28
}}
{{Hist_seminar
|confname=CVPR'17
|link=https://ieeexplore.ieee.org/document/8099631/
|title=Action-Decision Networks for Visual Tracking with Deep Reinforcement Learning
|speaker=Hui Cao
|date=2018-05-21
}}
{{Hist_seminar
|confname=INFOCOM'18
|link=http://people.umass.edu/hcai/
|title=Self-Adapting Quorum-Based Neighbor Discovery in Wireless Sensor Networks
|speaker=Minghang Yang
|date=2018-05-21
}}
{{Hist_seminar
|confname=Special Session
|link=http://mobinets.org/index.php?title=Resource:Seminar
|title=From Location to Activity: Human-centric Sensing and Analytics
|speaker=Prof. Tao Gu
|date=2018-05-11
}}
{{Hist_seminar
|confname=INFOCOM'18
|link=#
|title=LipPass: Lip Reading-based User Authentication on Smartphones Leveraging Acoustic Signals
|speaker=Shuowei Chen
|date=2018-04-27
}}
{{Hist_seminar
|confname=JSAC'17
|link=https://ieeexplore.ieee.org/document/8058433
|title=QoE-Aware and Reliable Traffic Steering for Service Function Chaining in Mobile Networks
|speaker=Zhe Wang
|date=2018-04-27
}}
{{Hist_seminar
|confname=JSAC'17
|link=http://rboutaba.cs.uwaterloo.ca/Papers/Journals/20
|title=Distributed Service Function Chaining
|speaker=Yuntong Zhang
|date=2018-04-13
}}
{{Hist_seminar
|confname=INFOCOM'18
|link=https://arxiv.org/pdf/1801.05868
|title=Joint Service Caching and Task Offloading for Mobile Edge Computing in Dense Networks
|speaker=Zi Wang
|date=2018-04-13
}}
{{Hist_seminar
|confname=INFOCOM'18
|link=https://arxiv.org/pdf/1712.06056.pdf
|title=One-Hop Out-of-Band Control Planes for Low-Power Multi-Hop Wireless Networks
|speaker=Chang Shu
|date=2018-03-16
}}
{{Hist_seminar
|confname=SigComm'16
|link=https://pdfs.semanticscholar.org/8e22/6c40a8c056dc
|title=OpenBox: A Software-De?ned Framework for Developing,Deploying,and Managing Network Functions
|speaker=Deploying
|date=and Managing Network Functions</a>}}
{{Hist_seminar
|confname=SigComm'17
|link=https://pdfs.semanticscholar.org/fa3b/9634b6057b3f
|title=Empowering Low-Power Wide Area Networks in Urban Settings
|speaker=Weifeng Gao
|date=2018-02-02
}}
{{Hist_seminar
|confname=ComMag16
|link=http://ieeexplore.ieee.org/abstract/document/81988
|title=Hypergraph Theory: Applications in 5G Heterogeneous Ultra-Dense Networks
|speaker=Yunpeng Han
|date=2018-01-26
}}
{{Hist_seminar
|confname=TCST'17
|link=http://ieeexplore.ieee.org/abstract/document/82372
|title=Optimal UAV Route Planning for Coverage Search of Stationary Target in River
|speaker=Hui Cao
|date=2018-01-26
}}
}}


====2017====
{{Resource:Previous_Seminars}}
 
{{Hist_seminar
|confname=MobiCom'17
|link=https://www.ntu.edu.sg/home/junluo/documents/Refle
|title=ReflexCode: Coding with Superposed Reflection Light for LED-Camera Communication
|speaker=Xinyuan Huang
|date=2017-12-08
}}
{{Hist_seminar
|confname=Proc. IEEE 2016
|link=http://ieeexplore.ieee.org/document/7423655/
|title=Using Smart Edge IoT Devices for Safer,Rapid Response With Industry IoT Control Operations
|speaker=Rapid Response With Industry IoT Control Operations</a>
|date=Minghang Yang}}
{{Hist_seminar
|confname=INFOCOM'17
|link=http://ieeexplore.ieee.org/document/8057039/
|title=Approximation Algorithms for The NFV Service Distribution Problem
|speaker=Yuntong Zhang
|date=2017-11-24
}}
{{Hist_seminar
|confname=CCS'17
|link=https://endchan.xyz/.media/50cf379143925a3926298f8
|title=DolphinAtack: Inaudible Voice Commands
|speaker=Zifei Zhao
|date=2017-11-24
}}
{{Hist_seminar
|confname=NSDI'17
|link=https://www.usenix.org/conference/nsdi17/technical
|title=Improving User Perceived Page Load Times Using Gaze
|speaker=Yaoyao Pang
|date=2017-11-17
}}
{{Hist_seminar
|confname=CoNEXT'16
|link=https://dl.acm.org/citation.cfm?id=2999602
|title=Flurries: Countless Fine-Grained NFs for Flexible Per-Flow Customization
|speaker=Zhe Wang
|date=2017-11-17
}}
{{Hist_seminar
|confname=MobiCom'17
|link=https://dl.acm.org/citation.cfm?id=3117843
|title=PassiveVLC: Enabling Practical Visible Light Backscatter Communication for Battery-free IoT Applicat
|speaker=Weifeng Gao
|date=2017-11-10
}}
{{Hist_seminar
|confname=INFOCOM'17
|link=http://ieeexplore.ieee.org/document/8057229/
|title=Service Chain Embedding with Maximum Flow in Software-defined Network and Application to The Next-Ge
|speaker=Chang Shu
|date=2017-11-10
}}
{{Hist_seminar
|confname=INFOCOM'17
|link=http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumbe
|title=BAC: Bandwidth-Aware Compression for EfficientLive Migration of Virtual Machines
|speaker=Yunpeng Han
|date=2017-11-03
}}
{{Hist_seminar
|confname=MobiCom'17
|link=https://dl.acm.org/ft_gateway.cfm?id=3117816&ftid=
|title=WEBee: Physical-Layer Cross-Technology Communication via Emulation
|speaker=Shuowei Chen
|date=2017-11-03
}}
{{Hist_seminar
|confname=SigComm'17
|link=http://conferences.sigcomm.org/sigcomm/2017/files/
|title=NFVnice: Dynamic Backpressure and Scheduling for NFV Service Chains
|speaker=Hui Cao
|date=2017-10-27
}}
{{Hist_seminar
|confname=MobiCom'17
|link=https://kabru.eecs.umich.edu/wordpress/wp-content/
|title=Continuous Authentication for Voice Assistants
|speaker=Heng Yuan
|date=2017-10-27
}}
{{Hist_seminar
|confname=TWC'17
|link=http://ieeexplore.ieee.org/document/7929399/
|title=Computation Offloading and Resource Allocation in Wireless Cellular Networks With Mobile Edge Computing
|speaker=Xinyuan Huang
|date=2017-10-20
}}
{{Hist_seminar
|confname=ToN'17
|link=http://ieeexplore.ieee.org/document/7784410/
|title=Chase: Taming concurrent broadcast for flooding in asynchronous duty cycle networks
|speaker=Minghang Yang
|date=2017-10-20
}}
{{Hist_seminar
|confname=TOSN'17
|link=http://www.comp.nus.edu.sg/~mobashir/Resources/Pap
|title=Improving Performance of Synchronous Transmission-Based Protocols Using Capture Effect over Multicha
|speaker=Luqi Yang
|date=2017-10-13
}}
{{Hist_seminar
|confname=SigComm'17
|link=http://conferences.sigcomm.org/sigcomm/2017/files/
|title=Dynamic Service Chaining with Dysco
|speaker=Chang Shu
|date=2017-10-13
}}
{{Hist_seminar
|confname=INFOCOM'17
|link=http://personal.stevens.edu/~ychen6/papers/ER%20Ea
|title=ER: Early Recognition of Inattentive Driving Leveraging Audio Devices on Smartphones
|speaker=Zifei Zhao
|date=2017-09-29
}}
{{Hist_seminar
|confname=INFOCOM'17
|link=https://thawproject.files.wordpress.com/2017/04/li
|title=LightTouch: Securely Connecting Wearables to Ambient Displays with User Intent
|speaker=Yaoyao Pang
|date=2017-09-22
}}
{{Hist_seminar
|confname=INFOCOM'17
|link=https://users.cs.fiu.edu/~pand/publications/17info
|title=Traffic Aware Placement of Interdependent NFV Middleboxes
|speaker=Zhe Wang
|date=2017-09-22
}}
{{Hist_seminar
|confname=SigComm'17
|link=https://people.cs.clemson.edu/~hongxih/papers/SIGC
|title=NFP: Enabling Network Function Parallelism in NFV
|speaker=Yuntong Zhang
|date=2017-09-22
}}
{{Hist_seminar
|confname=NFV-SDN'16
|link=https://www.net.t-labs.tu-berlin.de/~stefan/o4sdi1
|title=Efficient service Graph Embedding: A Practical Approach
|speaker=Chang Shu
|date=2017-09-11
}}
{{Hist_seminar
|confname=SenSys'17
|link=http://www.simonduquennoy.net
|title=Network-wide Consensus Utilizing the Capture Effect in Low-power Wireless Networks
|speaker=Weifeng Gao
|date=2017-09-11
}}
{{Hist_seminar
|confname=INFOCOM'17
|link=https://arxiv.org/abs/1612.06507
|title=Survivable and Bandwidth Guaranteed Embe
|speaker=Yuntong Zhang
|date=2017-06-26
}}
{{Hist_seminar
|confname=MobiCom'15
|link=
|title=Survivable and Bandwidth Guaranteed Embedding of Virtual Clusters in Cloud Data Centers
|speaker=Yuntong Zhang
|date=2017-06-26
}}
{{Hist_seminar
|confname=MobiCom'15
|link=https://www.sigmobile.org/mobicom/2015/papers/p9
|title=Keystroke Recognition Using WiFi Signals
|speaker=Weiwang Li
|date=2017-06-26
}}
 
===Instructions===
请使用Latest_seminar和Hist_seminar模板更新本页信息.
# 修改时间和地点信息
# 将当前latest seminar部分的code复制到history部分
# 将{{Latest_seminar... 修改为 {{Hist_seminar...，并增加对应的日期信息|date=
# 填入latest seminar各字段信息
 
*格式说明
** Latest_seminar:  
<blockquote><small>
{{Latest_seminar
<br>|confname=
<br>|link=
<br>|title=
<br>|speaker=
<br>}}
</small>
</blockquote>
** Hist_seminar
<blockquote><small>
{{Hist_seminar
<br>|confname=
<br>|link=
<br>|title=
<br>|speaker=
<br>|date=
<br>}}
</small></blockquote>

Latest revision as of 23:44, 26 September 2024

Time: 2024-09-29 10:30-12:00
Address: 4th Research Building A518
Useful links: 📚 Readling list; 📆 Schedules; 🧐 Previous seminars.

Latest

  1. [TMC' 24] Argus: Enabling Cross-Camera Collaboration for Video Analytics on Distributed Smart Cameras, Bairong
    Abstract: Overlapping cameras offer exciting opportunities to view a scene from different angles, allowing for more advanced, comprehensive and robust analysis. However, existing video analytics systems for multi-camera streams are mostly limited to (i) per-camera processing and aggregation and (ii) workload-agnostic centralized processing architectures. In this paper, we present Argus, a distributed video analytics system with cross-camera collaboration on smart cameras. We identify multi-camera, multi-target tracking as the primary task of multi-camera video analytics and develop a novel technique that avoids redundant, processing-heavy identification tasks by leveraging object-wise spatio-temporal association in the overlapping fields of view across multiple cameras. We further develop a set of techniques to perform these operations across distributed cameras without cloud support at low latency by (i) dynamically ordering the camera and object inspection sequence and (ii) flexibly distributing the workload across smart cameras, taking into account network transmission and heterogeneous computational capacities. Evaluation of three real-world overlapping camera datasets with two Nvidia Jetson devices shows that Argus reduces the number of object identifications and end-to-end latency by up to 7.13× and 2.19× (4.86× and 1.60× compared to the state-of-the-art), while achieving comparable tracking quality.
  1. [MobiCom' 23] FarfetchFusion: Towards Fully Mobile Live 3D Telepresence Platform, Mengfan
    Abstract: We present FarfetchFusion, a fully mobile live 3D telepresence system. Enabling mobile live telepresence is a challenging problem as it requires i) realistic reconstruction of the user and ii) high responsiveness for immersive experience. We first thoroughly analyze the live 3D telepresence pipeline and identify three critical challenges: i) 3D data streaming latency and compression complexity, ii) computational complexity of volumetric fusion-based 3D reconstruction, and iii) inconsistent reconstruction quality due to sparsity of mobile 3D sensors. To tackle the challenges, we propose a disentangled fusion approach, which separates invariant regions and dynamically changing regions with our low-complexity spatio-temporal alignment technique, topology anchoring. We then design and implement an end-to-end system, which achieves realistic reconstruction quality comparable to existing server-based solutions while meeting the real-time performance requirements (<100 ms end-to-end latency, 30 fps throughput, <16 ms motion-to-photon latency) solely relying on mobile computation capability.

History

2024

2023

2022

2021

2020

  • [Topic] [ The path planning algorithm for multiple mobile edge servers in EdgeGO], Rong Cong, 2020-11-18

2019

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2017

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