2024

• PiezoBud: A Piezo-Aided Secure Earbud with Practical Speaker Authentication
  Gen Li*, Huaili Zeng* Hanqing Guo, Yidong Ren, Aiden Dixon, Zhichao Cao, Tianxing Li (* indicate co-first author)
  ACM SenSys 2024.
• WavePurifier: Purifying Audio Adversarial Examples via Hierarchical Diffusion Models [ PDF ][ Demo ][ Code ]
  Hanqing Guo, Guangjing Wang, Bocheng Chen, Yuanda Wang, Xiao Zhang, Xun Chen, Qiben Yan, Xiao Li
  Mobicom 2024.
• Protecting Activity Sensing Data Privacy Using Hierarchical Information Dissociation [ Link ]
  Guangjing Wang, Hanqing Guo, Yuanda Wang, Bocheng Chen, Ce Zhou, Qiben Yan
  CNS 2024.
• Switchtab: Switched autoencoders are effective tabular learners [ Link ]
  Jing Wu, Suiyao Chen, Qi Zhao, Renat Sergazinov, Chen Li, Shengjie Liu, Chongchao Zhao, Tianpei Xie, Hanqing Guo, Cheng Ji, Daniel Cociorva, Hakan Brunzell
  AAAI 2024.
• Beyond Boundaries: A Comprehensive Survey of Transferable Attacks on AI Systems [ Link ]
  Guangjing Wang, Ce Zhou, Yuanda Wang, Bocheng Chen, Hanqing Guo and Qiben Yan
  Arxiv.

2023

• Speaker Verification System Using Ultrasound Energy In Human Speech [ Link ]
  Qiben Yan, Hanqing Guo, Li Xiao
  US Patent App. 18/311,412.
• MASTERKEY: Practical Backdoor Attack Against Speaker Verification Systems [ PDF ] [ Demo ] [ Slide ]
  Hanqing Guo, Xun Chen, Junfeng Guo, Li Xiao, Qiben Yan
  ACM Mobicom 2023.
• PhantomSound: Black-Box, Query-Efficient Audio Adversarial Attack via Split-Second Phoneme Injection [ PDF ] [ Slide ]
  Hanqing Guo, Guangjing Wang, Yuanda Wang, Guangjing Wang, Bocheng Chen, Yuanda Wang, Qiben Yan, Li Xiao
  RAID 2023.
• Federated IoT Interaction Vulnerability Analysis [ PDF ]
  Guangjing Wang, Hanqing Guo, Anran Li, Xiaorui Liu, Qiben Yan
  IEEE ICDE 2023.
• VSMask: Defending Against Voice Synthesis Attack via Real-Time Predictive Perturbation [ PDF ]
  Yuanda Wang, Hanqing Guo, Guangjing Wang, Bocheng Chen, Qiben Yan
  ACM WiSec 2023.
• Understanding Multi-Turn Toxic Behaviors in Open-Domain Chatbots [ PDF ]
  Bocheng Chen, Guangjing Wang, Hanqing Guo, Yuanda Wang, Qiben Yan
  RAID 2023.
• SCALE-UP: Efficient Blackbox Input-level Backdoor Detection via Analyzing Scaled Prediction Consistency [ PDF ] [ Code ]
  Junfeng Guo, Yiming Li, Xun Chen, Hanqing Guo, Lichao Sun, Cong Liu
  ICLR 2023.

2022

• SpecPatch: Human-In-The-Loop Adversarial Audio Spectrogram Patch Attack on Speech Recognition [ PDF ] [ Demo ] [ Slide ] Best Paper Honorable Mention Award
  Hanqing Guo, Yuanda Wang, Nikolay Ivanov, Li Xiao, Qiben Yan
  ACM CCS 2022.
• U-star: An underwater navigation system based on passive 3d optical identification tags [ PDF ]
  Xiao Zhang, Hanqing Guo, James M Mariani, Li Xiao
  ACM Mobicom 2022.
• NEC: Speaker Selective Cancellation via Neural Enhanced Ultrasound Shadowing [ PDF ] [ Demo ] [ Slide ]
  Meida Cover:  New Scientist,  ACM TechNews 
  Hanqing Guo*, Chenning Li*, Lingkun Li, Zhichao Cao, Qiben Yan, Li Xiao (* indicate co-first author)
  IEEE DSN 2022.
• GhostTalk: Interactive Attack on Smartphone Voice System Through Power Line [ PDF ] [ Demo ] [ Slide ]
  Yuanda Wang, Hanqing Guo, Qiben Yan
  NDSS 2022.
• SuperVoice: Text-Independent Speaker Verification Using Ultrasound Energy in Human Speech [ PDF ] [ Demo ] [ Slide ]
  Hanqing Guo, Qiben Yan, Nikolay Ivanov, Ying Zhu, Li Xiao, Eric J. Hunter
  ACM ASIACCS 2022.

2021

• NELoRa: Towards Ultra-low SNR LoRa Communication with Neural-enhanced Demodulation [ PDF ] [ Code ] [ Slide ]
  Best Paper Award
  Chenning Li, Hanqing Guo, Shuai Tong, Xiao Zeng, Zhichao Cao, Mi Zhang, Qiben Yan, Li Xiao, Jiliang Wang, Yunhao Liu
  ACM SenSys 2021.
• Surfingattack: Interactive hidden attack on voice assistants using ultrasonic guided waves [ PDF ][ Demo ] [ Slide ]
  Qiben Yan, Kehai Liu, Qin Zhou, Hanqing Guo, Ning Zhang
  NDSS 2021.
• Rectifying administrated ERC20 tokens [ PDF ] [ Slide ]
  Nikolay Ivanov, Hanqing Guo, Qiben Yan
  ICICS 2021.

2018-2020

• Deep Learning Driven Wireless Real-time Human Activity Recognition [ PDF ]
  Hanqing Guo, Nan Zhang, Shaoen Wu, Qing Yang
  IEEE ICC 2020.
• HICFR: Real Time 3D Indoor Human Image Capturing Based on FMCW Radar [ PDF ] [ Demo ]
  Hanqing Guo, Nan Zhang, Wenjun Shi, S. AIQarni, Shaoen Wu
  IEEE ICME 2019.
• DSIC: Deep learning based self-interference cancellation for in-band full duplex wireless [ PDF ]
  Best Paper Award
  Hanqing Guo, Shaoen Wu, Honggang Wang, Mahmoud Daneshmand
  IEEE GLOBECOM 2019.
• In-band full duplex wireless communications and networking for IoT devices: Progress, challenges and opportunities [ PDF ]
  Shaoen Wu, Hanqing Guo, Junhong Xu, Shangyue Zhu, Honggang Wang
  Future Generation Computer Systems 2019.
• Non-contact non-invasive heart and respiration rates monitoring with MIMO radar sensing [ PDF ]
  Qiwei Liu, Hanqing Guo, Junhong Xu, Honggang Wang, Aron Kageza, Saeed AlQarni, Shaoen Wu
  IEEE GLOBECOM 2018.
• Indoor multi-sensory self-supervised autonomous mobile robotic navigation [ PDF ]
  Juhong Xu, Hanqing Guo, Shaoen Wu
  IEEE ICII 2018.