Jiacheng Liu

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Research Projects

How can we integrate AI with sensing systems to develop early detection systems and assistive devices for everyday use, providing unobtrusive and seamless health support for individuals with diverse health conditions?

bridge

PPG as a Bridge: Cross-Device Identity Transfer with Photoplethysmography

Jiacheng Liu*, Jiankai Tang*, Ruichen Gui, Songqin Cheng, Taiting Lu, Mahanth Gowda, Yuanchun Shi, Yuntao Wang

2025, CHI'26 (Submitted)

speech

NeckVoice: Voice Synthesis for Laryngectomees with On-body Sound Actuation

Ruidong Zhang, Jiacheng Liu, Justin Xiang, Ke Li, Babak Sadoughi, Sam Tilsen, François Guimbretière, Cheng Zhang

2025, Nature Electronics (Submitted)

ppg_authen

Exploring Reliable PPG Authentication on Smartwatches in Daily Scenarios

Jiankai Tang, Jiacheng Liu*, RENLING TONG, Kai Zhu, Zhe Li, Junliang Xing, Yuanchun Shi, Yuntao Wang

2025, arXiv'25

Paper DOI
odoragent

OdorAgent: Generate Odor Sequences for Movies Based on Large Language Model

Yu Zhang, Peizhong Gao, Fangzhou Kang, Jiaxiang Li, Jiacheng Liu, Qi Lu, Yingqing Xu

2024, IEEE VR'24

Paper DOI
camera

Camera-Based Remote Physiology Sensing for Hundreds of Subjects Across Skin Tones

Jiankai Tang, Xinyi Li, Jiacheng Liu, Xiyuxing Zhang, Zeyu Wang, Yuntao Wang

2024, CHI'24 Workshop PhysioCHI

Paper DOI

Other Projects

Interdisciplinary projects spanning mechanics, computer science, embedded systems, UI design, and concept design.

magnet

TagMagnet: Personalized Album App Based on Tags

2023, Coursework of Interaction Design

UI design, Interaction Design

Video
canvas

CanvaSphere: Urban Art Festival Design

2023, Coursework of Innovative Design and Practice - Basics

Interaction Design, Concept Design

Video
car

Design and Construction of Line-Following Robot

2023, Coursework of Design Projects in Electronic Technology

Electrical Engineering, Product Design

Video
guide

Redesigning the Guide System at Xinya College

2024, Coursework of Innovative Design and Practice - Basics

Interaction Design

wave

Water Ripples: Pure Wooden Mechanical Structure

2024, Coursework of Fundamentals of Mechanical Design

Mechanical Design

Video
charm

Charm Clicker: A Photo Guide App for Girls, Designed for Boys

2024, Coursework of Innovative Design and Practice - Basics

Interaction Design, Computer Engineering