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publications
QLEC: A Machine-Learning-Based Energy-Efficient Clustering Algorithm to Prolong Network Lifespan for IoT in High-Dimensional Space
Published in The International Conference on Parallel Processing (ICPP), 2019
August 5–8, 2019, Kyoto, Japan. Keyword: IoT, Energy-Efficient Clustering, Q-learning, Lifespan-Extended Network, High-Dimensional Space
Recommended citation: Ke Li, Haowei Huang, Xiaofeng Gao, Fan Wu, and Guihai Chen. 2019. QLEC: A Machine-Learning-Based Energy-Efficient Clustering Algorithm to Prolong Network Lifespan for IoT in High-Dimensional Space. In Proceedings of the 48th International Conference on Parallel Processing (ICPP). Association for Computing Machinery, New York, NY, USA, Article 105, 1–10. https://dl.acm.org/doi/10.1145/3337821.3337926
A Constant Factor Approximation for d-Hop Connected Dominating Set in 3-Dimensional Wireless Network
Published in IEEE Transactions on Wireless Communications (TWC), 2019
Keyword: Wireless Sensor Network, d-CDS, Spanning Tree, Cluster, Distributed Algorithm
Recommended citation: K. Li, X. Gao, F. Wu and G. Chen, "A Constant Factor Approximation for d -Hop Connected Dominating Set in Three-Dimensional Wireless Networks," in IEEE Transactions on Wireless Communications, vol. 18, no. 9, pp. 4357-4367, Sept. 2019. https://ieeexplore.ieee.org/document/8765348
Locating Everyday Objects using NFC Textiles
Published in The ACM/IEEE Conference on Information Processing in Sensor Networks (IPSN), 2021
May 18–21, 2021, Nashville, Tennessee, USA. Keyword: Near Field Communication, Localization, Textile Coils, Beamforming
Recommended citation: Jingxian Wang (Co-Primary), Junbo Zhang (Co-Primary), Ke Li, Chengfeng Pan, Carmel Majidi, and Swarun Kumar. 2021. Locating Everyday Objects using NFC Textiles. In Proceedings of the 20th International Conference on Information Processing in Sensor Networks (co-located with CPS-IoT Week 2021) (IPSN). Association for Computing Machinery, New York, NY, USA, 15–30. https://dl.acm.org/doi/10.1145/3412382.3458254
EarIO: A Low-power Acoustic Sensing Earable for Continuously Tracking Detailed Facial Movements
Published in The Proceedings of the Association for Computing Machinery on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)/UbiComp, 2022
September 11–15, 2022, Atlanta, USA and Cambridge, UK. Keyword: Facial expression reconstruction, Acoustic sensing, Low-power, Deep learning
Recommended citation: Ke Li, Ruidong Zhang, Bo Liang, François Guimbretière, and Cheng Zhang. 2022. EarIO: A Low-power Acoustic Sensing Earable for Continuously Tracking Detailed Facial Movements. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 6, 2, Article 62 (July 2022), 24 pages. https://doi.org/10.1145/3534621
EchoSpeech: Continuous Silent Speech Recognition on Minimally-obtrusive Eyewear Powered by Acoustic Sensing
Published in The Proceedings of the CHI Conference on Human Factors in Computing Systems (CHI), 2023
April 23–28, 2023, Hamburg, Germany. Keyword: Silent Speech Recognition, Acoustic Sensing, Smart Glasses
Recommended citation: Ruidong Zhang, Ke Li, Yihong Hao, Yufan Wang, Zhengnan Lai, François Guimbretière, and Cheng Zhang. 2023. EchoSpeech: Continuous Silent Speech Recognition on Minimally-obtrusive Eyewear Powered by Acoustic Sensing. In Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems (CHI). Association for Computing Machinery, New York, NY, USA, Article 852, 1–18. https://doi.org/10.1145/3544548.3580801
PoseSonic: 3D Upper Body Pose Estimation Through Egocentric Acoustic Sensing on Smartglasses
Published in The Proceedings of the Association for Computing Machinery on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)/UbiComp, 2023
October 8-12, 2023, Cancún, Mexico. Keyword: Human Pose Estimation, Acoustic Sensing, Smart/AR Glasses, Deep Learning, Cross-Modal Supervision
Recommended citation: Saif Mahmud, Ke Li, Guilin Hu, Hao Chen, Richard Jin, Ruidong Zhang, François Guimbretière, and Cheng Zhang. 2023. PoseSonic: 3D Upper Body Pose Estimation Through Egocentric Acoustic Sensing on Smartglasses. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 7, 3, Article 111 (September 2023), 28 pages. https://dl.acm.org/doi/10.1145/3610895
EchoNose: Sensing Mouth, Breathing and Tongue Gestures inside Oral Cavity using a Non-contact Nose Interface
Published in The Proceedings of the International Symposium on Wearable Computers (ISWC), 2023
October 8-12, 2023, Cancún, Mexico. Keyword: Nose Interface, Tongue Gestures, Breathing Patterns, Silent Speech, Acoustic Sensing
Recommended citation: Rujia Sun, Xiaohe Zhou, Benjamin Steeper, Ruidong Zhang, Sicheng Yin, Ke Li, Shengzhang Wu, Sam Tilsen, Francois Guimbretiere, and Cheng Zhang. 2023. EchoNose: Sensing Mouth, Breathing and Tongue Gestures inside Oral Cavity using a Non-contact Nose Interface. In Proceedings of the 2023 ACM International Symposium on Wearable Computers (ISWC). Association for Computing Machinery, New York, NY, USA, 22–26. https://dl.acm.org/doi/10.1145/3594738.3611358
HPSpeech: Silent Speech Interface for Commodity Headphones
Published in The Proceedings of the International Symposium on Wearable Computers (ISWC), 2023
October 8-12, 2023, Cancún, Mexico. Keyword: Silent Speech, Acoustic Sensing, Headphones, Commodity-off-the-shelf (COTS)
Recommended citation: Ruidong Zhang, Hao Chen, Devansh Agarwal, Richard Jin, Ke Li, François Guimbretière, and Cheng Zhang. 2023. HPSpeech: Silent Speech Interface for Commodity Headphones. In Proceedings of the 2023 ACM International Symposium on Wearable Computers (ISWC). Association for Computing Machinery, New York, NY, USA, 60–65. https://dl.acm.org/doi/10.1145/3594738.3611365
EchoWrist: Continuous Hand Pose Tracking and Hand-Object Interaction Recognition Using Low-Power Active Acoustic Sensing On a Wristband
Published in The Proceedings of the CHI Conference on Human Factors in Computing Systems (CHI), 2024
May 11-16, 2024, Honolulu, Hawaiʻi, USA. Keyword: Acoustic Sensing, Smartwatch
Recommended citation: Chi-Jung Lee (Co-Primary), Ruidong Zhang (Co-Primary), Devansh Agarwal, Tianhong Catherine Yu, Vipin Gunda, Oliver Lopez, James Kim, Sicheng Yin, Boao Dong, Ke Li, Mose Sakashita, Francois Guimbretiere, and Cheng Zhang. 2024. EchoWrist: Continuous Hand Pose Tracking and Hand-Object Interaction Recognition Using Low-Power Active Acoustic Sensing On a Wristband. In Proceedings of the 2024 CHI Conference on Human Factors in Computing Systems (CHI). Association for Computing Machinery, New York, NY, USA, Article 403, 1–21. https://dl.acm.org/doi/10.1145/3613904.3642910
EyeEcho: Continuous and Low-power Facial Expression Tracking on Glasses
Published in The Proceedings of the CHI Conference on Human Factors in Computing Systems (CHI), 2024
May 11-16, 2024, Honolulu, Hawaiʻi, USA. Keyword: Eye-mounted Wearable, Facial Expression Tracking, Acoustic Sensing, Low-power
Recommended citation: Ke Li, Ruidong Zhang, Siyuan Chen, Boao Chen, Mose Sakashita, Francois Guimbretiere, and Cheng Zhang. 2024. EyeEcho: Continuous and Low-power Facial Expression Tracking on Glasses. In Proceedings of the 2024 CHI Conference on Human Factors in Computing Systems (CHI). Association for Computing Machinery, New York, NY, USA, Article 319, 1–24. https://dl.acm.org/doi/10.1145/3613904.3642613
GazeTrak: Exploring Acoustic-based Eye Tracking on a Glass Frame
Published in The Annual International Conference on Mobile Computing and Networking (MobiCom), 2024
November 18-22, 2024, Washington, D.C., USA. Keyword: Eye Tracking, Acoustic Sensing, Smart Glasses, Low-power
Recommended citation: Ke Li, Ruidong Zhang, Boao Chen, Siyuan Chen, Sicheng Yin, Saif Mahmud, Qikang Liang, Francois Guimbretiere, and Cheng Zhang. 2024. GazeTrak: Exploring Acoustic-based Eye Tracking on a Glass Frame. In Proceedings of the 30th Annual International Conference on Mobile Computing and Networking (ACM MobiCom). Association for Computing Machinery, New York, NY, USA, 497–512. https://dl.acm.org/doi/10.1145/3636534.3649376
AI-Powered Eyewear for Routine Facial Expression Analysis in Parkinson’s Disease: Study Design and Goals
Published in The International Congress of Parkinson’s Disease and Movement Disorders, 2024
September 27-October 1, 2024, Philadelphia, PA, USA. Keyword: Parkinson’s Disease, Facial Expression Analysis, Acoustic Sensing, Smart Glasses
Recommended citation: H Y. Ooi, C. Zhang, K. Li, J. Narins, H. Sarva. AI-Powered Eyewear for Routine Facial Expression Analysis in Parkinson’s Disease: Study design and goals. Mov Disord. 2024; 39 (suppl 1). https://www.mdsabstracts.org/abstract/ai-powered-eyewear-for-routine-facial-expression-analysis-in-parkinsons-disease-study-design-and-goals/
EchoGuide: Active Acoustic Guidance for LLM-Based Eating Event Analysis from Egocentric Videos
Published in The Proceedings of the International Symposium on Wearable Computers (ISWC), 2024
October 5-9, 2024, Melbourne, Australia. Keyword: Eating Detection, Acoustic Sensing, Activity Recognition, Foundation Models
Recommended citation: Vineet Parikh, Saif Mahmud, Devansh Agarwal, Ke Li, François Guimbretière, and Cheng Zhang. 2024. EchoGuide: Active Acoustic Guidance for LLM-Based Eating Event Analysis from Egocentric Videos. In Proceedings of the 2024 ACM International Symposium on Wearable Computers (ISWC). Association for Computing Machinery, New York, NY, USA, 40–47. https://dl.acm.org/doi/10.1145/3675095.3676611
Ring-a-Pose: A Ring for Continuous Hand Pose Tracking
Published in The Proceedings of the Association for Computing Machinery on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)/UbiComp, 2024
November 2024. Keyword: 3D Hand Pose Tracking, Micro-finger Gesture Recognition, Smart Ring, Acoustic Sensing
Recommended citation: Tianhong Catherine Yu, Guilin Hu, Ruidong Zhang, Hyunchul Lim, Saif Mahmud, Chi-Jung Lee, Ke Li, Devansh Agarwal, Shuyang Nie, Jinseok Oh, François Guimbretière, and Cheng Zhang. 2024. Ring-a-Pose: A Ring for Continuous Hand Pose Tracking. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 8, 4, Article 189 (November 2024), 30 pages. https://dl.acm.org/doi/10.1145/3699741
ActSonic: Recognizing Everyday Activities from Inaudible Acoustic Waves Around the Body
Published in The Proceedings of the Association for Computing Machinery on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)/UbiComp, 2024
November 2024. Keyword: Acoustic Sensing, Activity Recognition, Self-supervised Leaning
Recommended citation: Saif Mahmud, Vineet Parikh, Qikang Liang, Ke Li, Ruidong Zhang, Ashwin Ajit, Vipin Gunda, Devansh Agarwal, François Guimbretière, and Cheng Zhang. 2024. ActSonic: Recognizing Everyday Activities from Inaudible Acoustic Waves Around the Body. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 8, 4, Article 183 (November 2024), 32 pages. https://dl.acm.org/doi/10.1145/3699752
SonicID: User Identification on Smart Glasses with Acoustic Sensing
Published in The Proceedings of the Association for Computing Machinery on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)/UbiComp, 2024
November 2024. Keyword: User Identification, Smart Glasses, Acoustic Sensing, Machine Learning
Recommended citation: Ke Li, Devansh Agarwal, Ruidong Zhang, Vipin Gunda, Tianjun Mo, Saif Mahmud, Boao Chen, François Guimbretière, and Cheng Zhang. 2024. SonicID: User Identification on Smart Glasses with Acoustic Sensing. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 8, 4, Article 169 (November 2024), 27 pages. https://dl.acm.org/doi/10.1145/3699734
talks
Talk 1 on Relevant Topic in Your Field
Published:
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Conference Proceeding talk 3 on Relevant Topic in Your Field
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teaching
Teaching experience 1
Undergraduate course, University 1, Department, 2014
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Teaching experience 2
Workshop, University 1, Department, 2015
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