Publications

GazeTrak: Exploring Acoustic-based Eye Tracking on a Glass Frame

Published in The Annual International Conference on Mobile Computing and Networking (MobiCom), 2024

September 30-October 4, 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, François Guimbretière, and Cheng Zhang. 2024. GazeTrak: Exploring Acoustic-based Eye Tracking on a Glass Frame. In The Annual International Conference on Mobile Computing and Networking (MobiCom), September 30-October 4, 2024, Washington, D.C., USA. ACM, New York, NY, USA. http://arxiv.org/abs/2402.14634

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, François Guimbretière, and Cheng Zhang. 2024. EyeEcho: Continuous and Low-power Facial Expression Tracking on Glasses. In Proceedings of the CHI Conference on Human Factors in Computing Systems (CHI), May 11-16, 2024, Honolulu, Hawaiʻi, USA. ACM, New York, NY, USA. http://arxiv.org/abs/2402.12388

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, François Guimbretière, 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 CHI Conference on Human Factors in Computing Systems (CHI), May 11-16, 2024, Honolulu, Hawaiʻi, USA. ACM, New York, NY, USA. https://arxiv.org/abs/2401.17409

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 International Symposium on Wearable Computers (ISWC), October 8-12, 2023, Cancún, Mexico. ACM, New York, NY, USA, 60-65. https://dl.acm.org/doi/10.1145/3594738.3611365

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, François Guimbretière, and Cheng Zhang. 2023. EchoNose: Sensing Mouth, Breathing and Tongue Gestures inside Oral Cavity using a Non-contact Nose Interface. In Proceedings of the International Symposium on Wearable Computers (ISWC), October 8-12, 2023, Cancún, Mexico. ACM, New York, NY, USA, 22-26. https://dl.acm.org/doi/10.1145/3594738.3611358

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. The Proceedings of the Association for Computing Machinery on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)/UbiComp, Volume 7, Issue 3, Article 111 (September 2023), 28 pages. https://dl.acm.org/doi/10.1145/3610895

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 CHI Conference on Human Factors in Computing Systems (CHI), April 23–28, 2023, Hamburg, Germany. ACM, New York, NY, USA, 18 pages. https://doi.org/10.1145/3544548.3580801

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. The Proceedings of the Association for Computing Machinery on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)/UbiComp, Volume 6, Issue 2, Article 62 (July 2022), 24 pages. https://doi.org/10.1145/3534621

Locating Everyday Objects using NFC Textiles

Published in The 20th 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. The 20th ACM/IEEE Conference on Information Processing in Sensor Networks (IPSN), Pages 1–12. https://dl.acm.org/doi/10.1145/3412382.3458254

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: Ke Li, Xiaofeng Gao, Fan Wu and Guihai Chen. 2019. A Constant Factor Approximation for d-Hop Connected Dominating Set in 3-Dimensional Wireless Network. IEEE Transactions on Wireless Communications (TWC), 18(9): pp. 4357-4367. https://ieeexplore.ieee.org/document/8765348

QLEC: A Machine-Learning-Based Energy-Efficient Clustering Algorithm to Prolong Network Lifespan for IoT in High-Dimensional Space

Published in The 48th 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. The 48th International Conference on Parallel Processing (ICPP), Article No. 105, Pages 1–10. https://dl.acm.org/doi/10.1145/3337821.3337926