Students

Openings / Internship

I am looking for self-motivated Ph.D. and Master's students with backgrounds in Artificial Intelligence, Robotics, Human-Computer Interaction, wearable systems, sensing hardware, or circuit design.

Interested students are welcome to contact me at gaoyang2025 [AT] scut.edu.cn with a brief research statement and CV.

Updates

News

Background

Education

  • PhD, University at Buffalo, United States 2018-2021
  • PhD, Binghamton University, United States 2015-2017
  • MS, Steven Institute of Technology, United States 2012-2014
  • BS, UESTC, China 2008-2012

Experience

Work

  • Postdoc, Northwestern University, United States 2021-2022
  • Research Professor, East China Normal University, China 2022-2025
  • Associate Professor, South China University of Technology 2025-present

Research

Research Interests

My research lies at the intersection of Human-Computer Interaction and Ubiquitous Computing. I study how wearable sensing, physiological signals, motion data, and multimodal large language models can support activity understanding, intent inference, affect-aware interaction, and human-robot collaboration.

  • Human-Computer-Interaction
  • Pervasive Computing
  • Multi-modal LLM
  • Human-Robot-Interaction
  • Wearable Computing
  • Affective Computing

Output

Selected Publications 28

Publications are grouped by year. Yang Gao is highlighted in author lists.

2026

5 papers

Touch Through Sound: Ring-Mounted Auditory Pseudo-Haptics for Material Perception

Zhengte Cai, Chiyue Wang, Yumiao Wang, Jinghe Yu, Chen Li, Zhanpeng Jin, Yang Gao

Extended Abstracts of the 2026 CHI Conference on Human Factors in Computing Systems (CHI 2026 Extended Abstracts)

Touch Through Sound explores ring-mounted auditory pseudo-haptics for material perception. The work investigates how sound feedback from a wearable ring can enrich touch experiences and help users perceive material qualities without requiring bulky haptic …

RageSense: Leveraging Acoustic Sensing and LLM-Based Intervention for Emotion Regulation in Mobile Gaming

Cong Liu, Ruihao Zheng, Junbin Ren, Kaiyi Guo, Qian Zhang, Dong She, Yuting Bai, Zhanpeng Jin, Yang Gao

Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI 2026)

RageSense investigates emotion regulation in mobile gaming by combining acoustic sensing with LLM-based intervention. The project focuses on detecting rage-related affective states during gameplay and delivering context-aware support that can help users …

Persona-E^2: A Human-Grounded Dataset for Personality-Shaped Emotional Responses to Textual Events

Yuqin Yang, Haowu Zhou, Haoran Tu, Zhiwen Hui, Shiqi Yan, HaoYang Li, Dong She, Xianrong Yao, Yang Gao, Zhanpeng Jin

The 64th Annual Meeting of the Association for Computational Linguistics (ACL 2026), Main Conference (accepted)

Persona-E^2 introduces a human-grounded dataset for studying how personality shapes emotional responses to textual events. The work supports research on emotion understanding, personalized affective modeling, and human-centered natural language processing by …

HMotionGPT: Aligning Hand Motions and Natural Language for Activity Understanding with Smart Rings

Yang Gao, Dong She, Wolin Liang, Chiyue Wang, Yingjing Xiao, Xianrong Yao, Cong Liu, Zhichao Huang, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

HMotionGPT studies how smart-ring motion signals can be aligned with natural language to support activity understanding. The work explores a language-grounded representation of hand motion, enabling wearable systems to reason about fine-grained activities …

EmoType-Zero: Adaptive Fonts to Render the Speech Emotion

Dong She, Jinghe Yu, Nuo Chen, Yuting Bai, Yang Gao, Zhanpeng Jin

Extended Abstracts of the 2026 CHI Conference on Human Factors in Computing Systems (CHI 2026 Extended Abstracts)

EmoType-Zero studies adaptive fonts as a way to render speech emotion in text. Instead of treating text as emotionally neutral, the project explores how typography can communicate affective cues from speech and make emotional nuance more visible in written …

2025

7 papers

MindChat-R0: A Large Language Model for Emotionally Supportive Dialogue through Reinforcement Learning

Dong She, Chenxu Zhang, Xianrong Yao, Yang Gao, Zhanpeng Jin

Companion of the 2025 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp Companion 2025), pp. 1209-1216

10th Mental Health Workshop Best Paper Honorable Mention

MindChat-R0 is a Chinese emotionally supportive dialogue model trained through reinforcement learning with structured emotional reasoning. The work introduces an Empathetic Chain-of-Thought framework and trains the model using reward signals designed to …

Wrist2Finger: Sensing Fingertip Force for Force-Aware Hand Interaction with a Ring-Watch Wearable

Yingjing Xiao, Zhichao Huang, Junbin Ren, Yuting Bai, Haichuan Song, Zhanpeng Jin, Yang Gao

Proceedings of the 38th Annual ACM Symposium on User Interface Software and Technology (UIST 2025)

Hand pose tracking is essential for advancing applications in human-computer interaction. Current approaches, such as vision-based systems and wearable devices, face limitations in portability, usability, and practicality. We present a novel wearable system …

Motion2Press: Cross Model Learning from IMU to Plantar Pressure for Gait Analysis

Junbin Ren, Ruihao Zheng, Wenbo Zhang, Dong She, Yuting Bai, ZhanPeng Jin, Yang Gao

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

Human locomotion is a fundamental aspect of daily life and a critical indicator of overall health. This study proposes a cross-modal learning framework based on inertial measurement units (IMUs) to infer plantar pressure distribution, ground reaction force …

KineticsSense: A Multimodal Wearable Sensor Framework for Modeling Lower-Limb Motion Kinetics

Wenbo Zhang, Chenxu Zhang, Yang Gao, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

Current human motion analysis primarily emphasizes kinematics, often neglecting underlying biomechanical factors such as muscle activation and force generation. This restricts a comprehensive understanding of movement mechanics, particularly in rehabilitation …

EchoTouch: Low-power Face-touching Behavior Recognition Using Active Acoustic Sensing on Glasses

Kaiyi Guo, Tianyu Wu, Yang Gao, Qian Zhang, Dong Wang

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

Accurately recognizing face-touching behavior at any time and place can help prevent potential health risks and improve personal habits. However, there remains a lack of effective methods that can be applied in real-world scenarios. In this paper, we propose …

From Wrist to Finger: Hand Pose Tracking Using Ring-Watch Wearables

Yingjing Xiao, ZhiChao Huang, Yang Gao

Extended Abstracts of the 2025 CHI Conference on Human Factors in Computing Systems (CHI 2025 Extended Abstracts)

Hand pose tracking is essential for advancing applications in humancomputer interaction. Current approaches, such as vision-based systems and wearable devices, face limitations in portability, usability, and practicality. This paper proposes a novel multimodal …

SandTouch: Empowering Virtual Sand Art in VR with AI Guidance and Emotional Relief

Long Liu, Junbin Ren, Zeyuan Fan, Chenhui Li, Gaoqi He, Changbo Wang, Yang Gao*, Chen Li*

Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems (CHI 2025)

Sand painting is a highly aesthetic and valuable form of art but often constrained by the need for specific equipment and the associated learning curve. To address these challenges, we developed a VR sand painting system, SandTouch, offering an immersive and …

2024

2 papers

PressInPose: Integrating Pressure and Inertial Sensors for Full-Body Pose Estimation in Activities

Yang Gao, Wenbo Zhang, Junbin Ren, Ruihao Zheng, Yingcheng Jin, Di Wu, Lin Shu, Xiangmin Xu, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

The accurate assessment of human body posture through wearable technology has significant implications for sports science, clinical diagnostics, rehabilitation, and VR interaction. Traditional methods often require complex setups or are limited by the …

Multi-modal fusion in ergonomic health: bridging visual and pressure for sitting posture detection

Qinxiao Quan, Yang Gao, Yang Bai, Zhanpeng Jin

CCF Transactions on Pervasive Computing and Interaction (TPCI), 6, 380-393

TPCI 2025 Best Paper

As the contradiction between the pursuit of health and the increasing duration of sedentary office work intensifies, there has been a growing focus on maintaining correct sitting posture while working. This paper introduces a sitting posture recognition system …

2023 and Earlier

14 papers

SignRing: Continuous American Sign Language Recognition Using IMU Rings and Virtual IMU Data

Jiyang Li, Lin Huang, Siddharth Shah, Sean J. Jones, Yincheng Jin, Dingran Wang, Adam Russell, Seokmin Choi, Yang Gao, Junsong Yuan, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

Sign language is a natural language widely used by Deaf and hard of hearing (DHH) individuals. Advanced wearables are developed to recognize sign language automatically. However, they are limited by the lack of labeled data, which leads to a small vocabulary …

An End-to-End Energy-Efficient Approach for Intake Detection With Low Inference Time Using Wrist-Worn Sensor

Boyang Wei, Shibo Zhang, Xingjian Diao, Qiuyang Xu, Yang Gao, Nabil Alshurafa

IEEE Journal of Biomedical and Health Informatics (IEEE JBHI)

Automated detection of intake gestures with wearable sensors has been a critical area of research for advancing our understanding and ability to intervene in people's eating behavior. Numerous algorithms have been developed and evaluated in terms of accuracy. …

SmartASL: \"Point-of-Care\" Comprehensive ASL Interpreter Using Wearables

Yincheng Jin, Shibo Zhang, Yang Gao, Xuhai Xu, Seokmin Choi, Zhengxiong Li, Henry J. Adler, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

Sign language builds up an important bridge between the d/Deaf and hard-of-hearing (DHH) and hearing people. Regrettably, most hearing people face challenges in comprehending sign language, necessitating sign language translation. However, state-of-the-art …

EarCommand: \"Hearing\" Your Silent Speech Commands In Ear

Yincheng Jin, Yang Gao, Xuhai Xu, Seokmin Choi, Jiyang Li, Feng Liu, Zhengxiong Li, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

Intelligent speech interfaces have been developing vastly to support the growing demands for convenient control and interaction with wearable/earable and portable devices. To avoid privacy leakage during speech interactions and strengthen the resistance to …

PPGface: Like What You Are Watching? Earphones Can \"Feel\" Your Facial Expressions

Seokmin Choi, Yang Gao, Yincheng Jin, Se Jun Kim, Jiyang Li, Wenyao Xu, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

Recognition of facial expressions has been widely explored to represent people's emotional states. Existing facial expression recognition systems primarily rely on external cameras which make it less accessible and efficient in many real-life scenarios to …

Detecting Screen Presence with Activity-Oriented RGB Camera in Egocentric Videos

Amit Adate, Soroush Shahi, Rawan Alharbi, Sougata Sen, Yang Gao, Aggelos K Katsaggelos, Nabil Alshurafa

2022 IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events (PerCom Workshops)

Screen time is associated with several health risk behaviors including mindless eating, sedentary behavior, and decreased academic performance. Screen time behavior is traditionally assessed with self-report measures, which are known to be burdensome, …

SonicFace: Tracking Facial Expressions Using a Commodity Microphone Array

Yang Gao, Yincheng Jin, Seokmin Choi, Jiyang Li, Junjie Pan, Lin Shu, Chi Zhou, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

Accurate recognition of facial expressions and emotional gestures is promising to understand the audience's feedback and engagement on the entertainment content. Existing methods are primarily based on various cameras or wearable sensors, which either raise …

SonicASL: An Acoustic-based Sign Language Gesture Recognizer Using Earphones

Yincheng Jin, Yang Gao, Yanjun Zhu, Wei Wang, Jiyang Li, Seokmin Choi, Zhangyu Li, Jagmohan Chauhan, Anind K. Dey, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

We propose SonicASL, a real-time gesture recognition system that can recognize sign language gestures on the fly, leveraging front-facing microphones and speakers added to commodity earphones worn by someone facing the person making the gestures. In a user …

Voice In Ear: Spoofing-Resistant and Passphrase-Independent Body Sound Authentication

Yang Gao, Yincheng Jin, Jagmohan Chauhan, Seokmin Choi, Jiyang Li, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

With the rapid growth of wearable computing and increasing demand for mobile authentication scenarios, voiceprint-based authentication has become one of the prevalent technologies and has already presented tremendous potentials to the public. However, it is …

ThermoTag: A Hidden ID of 3D Printers for Fingerprinting and Watermarking

Yang Gao, Wei Wang, Yincheng Jin, Chi Zhou, Wenyao Xu, Zhanpeng Jin

IEEE Transactions on Information Forensics and Security (IEEE TIFS)

To address the increasing challenges of counterfeit detection and IP protection for 3D printing, we propose that every 3D printer holds unique fingerprinting features characterized by the thermodynamic properties of the extruder hot-end and can be used as a …

EchoWhisper: Exploring an Acoustic-based Silent Speech Interface for Smartphone Users

Yang Gao, Yincheng Jin, Jiyang Li, Seokmin Choi, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

With the rapid growth of artificial intelligence and mobile computing, intelligent speech interface has recently become one of the prevalent trends and has already presented huge potentials to the public. To address the privacy leakage issue during the speech …

Heart Monitor Using Flexible Capacitive ECG Electrodes

Yang Gao, Varun V. Soman, Jack P. Lombardi, Pravakar Prasad Rajbhandari, Tara P. Dhakal, Dale G. Wilson, Mark D. Poliks, Kanad Ghose, James N. Turner, Zhanpeng Jin

IEEE Transactions on Instrumentation and Measurement (IEEE TIM)

Noninvasive sensors capable of measuring weak biopotential signals, such as electrocardiogram (ECG) and EEG, and communicating results wirelessly to a host computer are developing rapidly. Some of them utilize capacitively coupled electrodes in an attempt to …

EarEcho: Using Ear Canal Echo for Wearable Authentication

Yang Gao, Wei Wang, Vir V. Phoha, Wei Sun, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

IMWUT 2019 Distinguished Papers Nominee

Smart wearable devices have recently become one of the major technological trends and been widely adopted by the general public. Wireless earphones, in particular, have seen a skyrocketing growth due to its great usability and convenience. With the goal of …

Watching and Safeguarding Your 3D Printer: Online Process Monitoring Against Cyber-Physical Attacks

Yang Gao, Borui Li, Wei Wang, Wenyao Xu, Chi Zhou, Zhanpeng Jin

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT / UbiComp)

The increasing adoption of 3D printing in many safety and mission critical applications exposes 3D printers to a variety of cyber attacks that may result in catastrophic consequences if the printing process is compromised. For example, the mechanical …

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