I am an assistant professor at the department of computer science at Ying Wu College of Computing, New Jersey Institute of Technology (NJIT). My research interests span Adversarial Machine Learning, Security and Privacy for Mobile and Wireless Systems, and Mobile Healthcare System. My research work has been published at top-tier conferences including ACM CCS, ACSAC, ACM MobiCom, ACM MobiSys, ACM MobiHoc, ACM SenSys, ACM HotMobile, ACM UbiComp, and AAAI and selective journals/magazines including IEEE J-ERM, IEEE S&P, IEEE TMC, ACM TIOT, ACM IMWUT.

News

• June 2022: Our paper "RIBAC: Towards Robust and Imperceptible Backdoor Attack against Compact DNN" has been accepted to Springer ECCV 2022!
• June 2022: Our paper "Audio-domain Position-independent Backdoor Attack via Subsecond Triggers" has been accepted to ACM MobiCom 2022!
• May. 2022: Our paper "Defending against Thru-barrier Stealthy Voice Attacks via Cross-Domain Sensing on Phoneme Sounds" has been accepted to IEEE ICDCS 2022!
• Aug. 2021: Our paper "Robust Detection of Machine-induced Audio Attacks in Intelligent Audio Systems with Microphone Array" has been accepted to ACM CCS 2021!
• Aug. 2021: Our paper "Face-Mic: Inferring Live Speech and Speaker Identity via Subtle Facial Dynamics Captured by AR/VR Motion Sensors" has been accepted to ACM MobiCom 2021!
• Aug. 2020: Our paper "WearID: Low-Effort Wearable-Assisted Authentication of Voice Commands via Cross-Domain Comparison without Training" has been accepted to ACSAC 2020!
• July 2019: I have been selected as the recipient of Siemens sponsored Graduate Assistantship! [Rutgers ECE News]
• Mar. 2019: Our paper "CardioCam: Leveraging Camera on Mobile Devices to Verify Users While Their Heart is Pumping" has been accepted to ACM MobiSys 2019!
• Oct. 2018: Our paper "Device-free Personalized Fitness Assistant Using WiFi" has been accepted by IMUWT (Ubicomp)!
• Jul. 2017: Our paper "WiFi-Enabled Smart Human Dynamics Monitoring" has been accepted by ACM SenSys, 2017!
• Mar. 2017: Our paper "Smart User Authentication through Actuation of Daily Activities Leveraging WiFi-enabled IoT" has been accepted to ACM MobiHoc 2017!

Honors and Awards

• Rutgers ECE Student Development Award
• ACM MobiCom Travel Grant
• Cisco sponsored Graduate Assistantship
• IEEE/ACM CHASE Travel Grant
• Siemens sponsored Graduate Assistantship

Conference Publications

RIBAC: Towards Robust and Imperceptible Backdoor Attack against Compact DNN,
Huy Phan, Cong Shi, Yi Xie, Tianfang Zhang, Zhuohang Li, Tianming Zhao, Jian Liu, Yan Wang, Yingying Chen, Bo Yuan,
Proceedings of the European Conference on Computer Vision (Springer ECCV 2022).

Audio-domain Position-independent Backdoor Attack via Subsecond Triggers,
Cong Shi, Tianfang Zhang, Zhuohang Li, Huy Phan, Tianming Zhao, Yan Wang, Jian Liu, Bo Yuan, Yingying Chen,
Proceedings of the 28th Annual International Conference On Mobile Computing And Networking (ACM MobiCom 2022) (Acceptance rate: 17.8%).

Defending against Thru-barrier Stealthy Voice Attacks via Cross-Domain Sensing on Phoneme Sounds,
Cong Shi, Tianming Zhao, Wenjin Zhang, Ahmed Tanvir Mahdad, Zhengkun Ye, Yan Wang, Nitesh Saxena and Yingying Chen,
Proceedings of the 42nd IEEE International Conference on Distributed Computing Systems (IEEE ICDCS 2022) (Acceptance rate: 19.9%).

Robust Detection of Machine-induced Audio Attacks in Intelligent Audio Systems with Microphone Array,
Zhuohang Li, Cong Shi, Tianfang Zhang, Yi Xie, Jian Liu, Bo Yuan, Yingying Chen,
Proceedings of the ACM SIGSAC Conference on Computer and Communications Security (ACM CCS 2021).
November 2021.

Face-Mic: Inferring Live Speech and Speaker Identity via Subtle Facial Dynamics Captured by AR/VR Motion Sensors,
Cong Shi, Xiangyu Xu, Tianfang Zhang, Payton R. Walker, Yi Wu, Jian Liu, Nitesh Saxena, Yingying Chen, Jiadi Yu,
Proceedings of the Annual International Conference on Mobile Computing and Networking (ACM MobiCom 2021) (Acceptance rate: 17.4%).

Environment-independent In-baggage Object Identification Using WiFi Signals,
Cong Shi, Tianming Zhao, Yucheng Xie, Tianfang Zhang, Yan Wang, Xiaonan Guo, Yingying Chen,
Proceedings of the IEEE International Conference on Mobile Ad-Hoc and Smart Systems (IEEE MASS 2021).

Enabling Fast and Universal Audio Adversarial Attack Using Generative Model,
Yi Xie, Zhuohang Li, Cong Shi, Jian Liu, Yingying Chen, Bo Yuan,
Proceedings of the AAAI Conference on Artificial Intelligence (AAAI 2021). (Acceptance rate: 1692/7911=21.3%)

Towards Environment-independent Behavior-based User Authentication Using WiFi,
Cong Shi, Jian Liu, Nick Borodinov, Bruno Leao, Yingying Chen,
Proceedings of the 17th IEEE International Conference on Mobile Ad-Hoc and Smart Systems (IEEE MASS 2020).

WearID: Low-Effort Wearable-Assisted Authentication of Voice Commands via Cross-Domain Comparison without Training,
Cong Shi, Yan Wang, Yingying Chen, Nitesh Saxena, Chen Wang,
Proceedings of the 36th Annual Computer Security Applications Conference (ACSAC 2020). (Acceptance rate: 70/302=23.2%)

Mobile Device Usage Recommendation based on User Context Inference Using Embedded Sensors,
Cong Shi, Xiaonan Guo, Ting Yu, Yingying Chen, and Jian Liu,
Proceedings of International Conference on Computer Communications and Networks (IEEE ICCCN).

Real-time, Universal, and Robust Adversarial Attacks Against Speaker Recognition Systems,
Yi Xie, Cong Shi, Zhuohang Li, Jian Liu, Yingying Chen, Bo Yuan,
Proceedings of the 45th International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2020).

Practical Adversarial Attacks Against Speaker Recognition Systems,
Zhuohang Li, Cong Shi, Yi Xie, Jian Liu, Bo Yuan, Yingying Chen,
Proceedings of the 21st International Workshop on Mobile Computing Systems and Applications (ACM HotMobile 2020). (Acceptance rate: 16/48=33.3%)

CardioCam: Leveraging Camera on Mobile Devices to Verify Users While Their Heart is Pumping,
Jian Liu, Cong Shi, Yingying Chen, Hongbo Liu, Marco Gruteser,
Proceedings of the 17th ACM International Conference on Mobile Systems, Applications, and Services (ACM MobiSys 2019). (Acceptance rate: 40/172 = 23.2%)

Device-free Personalized Fitness Assistant Using WiFi,
Xiaonan Guo, Jian Liu, Cong Shi, Hongbo Liu, Yingying Chen, Mooi Choo Chuah,
Jin PACM on Interactive, Mobile, Wearable, and Ubiquitous Computing, Volume 2, Issue 4, Pages 1-23, 2018. (presented at UbiComp 2019).

WiFi-Enabled Smart Human Dynamics Monitoring,
Xiaonan Guo, Bo Liu, Cong Shi, Hongbo Liu, Yingying Chen, Mooi Choo Chuah,
Proceedings of the 15th ACM Conference on Embedded Networked Sensor Systems (ACM SenSys 2017). (Acceptance rate: 26/151 = 17.2%)

Secret Key Distribution Leveraging Color Shift Over Visible Light Channel,
Hongbo Liu, Bo Liu, Cong Shi, Yingying Chen,
Proceedings of IEEE Conference on Communications and Network Security (IEEE CNS 2017).

Smart User Authentication through Actuation of Daily Activities Leveraging WiFi-enabled IoT
Cong Shi, Jian Liu, Hongbo Liu, Yingying Chen,
Proceedings of the 18th ACM International Symposium on Mobile Ad Hoc Networking and Computing (ACM MobiHoc 2017). (Acceptance rate: 27/179 = 15.1%)

Journal Papers & Magazine Articles

Simultaneous Monitoring of Multiple People’s Vital Sign Leveraging a Single Phased-MIMO Radar,
Zhaoyi Xu, Cong Shi, Tianfang Zhang, Shuping Li, Yichao Yuan, Chung-Tse Michael Wu, Yingying Chen, Athina Petropulu,
IEEE Journal of Electromagnetics, RF, and Microwaves in Medicine and Biology (IEEE JERM), 2022.

mPose: Environment- and Subject-Agnostic 3D Skeleton Posture Reconstruction Leveraging a Single mmWave Device,
Cong Shi, Li Lu, Jian Liu, Yan Wang, Yingying Chen, Jiadi Yu,
Elsevier Smart Health, 2021.

Authentication of Voice Commands on Voice Assistance Systems Leveraging Vibrations on Wearables,
Cong Shi, Yan Wang, Yingying Chen, Nitesh Saxena,
IEEE Security & Privacy Magazine (IEEE S&P), 2021.

Enabling Secret Key Distribution Over Screen-to-Camera Channel Leveraging Color Shift Property,
Hongbo Liu, Cong Shi, Yingying Chen,
IEEE Transactions on Mobile Computing (IEEE TMC), 2021. (To appear)

WiFi-enabled User Authentication through Deep Learning in Daily Activities,
Cong Shi, Jian Liu, Hongbo Liu, Yingying Chen,
ACM Transactions on Internet of Things (ACM TIOT),
Volume 2, Issue 2, No. 13, 2021.

Real-time, Robust and Adaptive Universal Adversarial Attacks Against Speaker Recognition Systems,
Yi Xie, Zhuohang Li, Cong Shi, Jian Liu, Yingying Chen, Bo Yuan,
Journal of Signal Processing Systems (Springer JSPS),
2021. (To appear)

Device-free Personalized Fitness Assistant Using WiFi,
Xiaonan Guo, Jian Liu, Cong Shi, Hongbo Liu, Yingying Chen, Mooi Choo Chuah,
PACM on Interactive, Mobile, Wearable, and Ubiquitous Computing (IMWUT),
Volume 2, Issue 4, No. 165, 2018.

Improvement of the depth resolution in depth-resolved wavenumber-scanning interferometry using multiple uncorrelated wavenumber bands,
Jinxiong Xu, Yufei Liu, Bo Dong, Yulei Bai, Linlin Hu, Cong Shi, Zhuoming Xu, Yanzhou Zhou,
Applied Optics, Volume 52, number 20, pages 4890-4897.

Refereed Workshop Papers, Posters, and Demos

Poster: Personalized Health Monitoring via Vital Sign Measurements Leveraging Motion Sensors on AR/VR Headsets,
TTianfang Zhang, Cong Shi, Tianming Zhao, Zhengkun Ye, Payton Walker, Nitesh Saxena, Yan Wang, Yingying Chen,
Proceedings of the 20th ACM International Conference on Mobile Systems, Applications, and Services (MobiSys),

Poster: Continuous Blood Pressure Monitoring Using Low-cost Motion Sensors on AR/VR Headsets,
Tianming Zhao, Zhengkun Ye, Tianfang Zhang, Cong Shi, Ahmed Tanvir Mahdad, Yan Wang, Yingying Chen, Nitesh Saxena,
Proceedings of the 20th ACM International Conference on Mobile Systems, Applications, and Services (MobiSys),

Poster: Speech Privacy Attack via Vibrations from Room Objects Leveraging a Phased-MIMO Radar,
Cong Shi, Tianfang Zhang, Zhaoyi Xu, Shuping Li, Yichao Yuan, Athina Petropulu, Chung Tse Michael Wu, Yingying Chen,
Proceedings of the 20th ACM International Conference on Mobile Systems, Applications, and Services (MobiSys),

Demo: Device-free Activity Monitoring Through Real-time Analysis on Prevalent WiFi Signals,
Cong Shi, Justin Esposito, Sachin Mathew, Amit Patel, Rishika Sakhuja, Jian Liu, Yingying Chen,
Proceedings of the IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN),

Multiresolution mutual information method for social network entity resolution,
Cong Shi, and Rong Duan,
Proceedings of the IEEE International Conference on Data Mining Workshop (ICDMW),