6 papers
GazeSync: A Mobile Eye-Tracking Tool for Analyzing Visual Attention on Dynamically Manipulated Content
Yaxiong Lei, Rishab Talwar, Shijing He +5
Conventional mobile eye-tracking maps gaze to static screen coordinates, failing to capture user attention when content is dynamic. As users pinch, zoom, and rotate images, static…
GazeCode: Recall-Based Verification for Higher-Quality In-the-Wild Mobile Gaze Data Collection
Yaxiong Lei, Thomas Davies, Xinya Gong +2
Large-scale mobile gaze estimation relies on in-the-wild datasets, yet unsupervised collection makes it difficult to verify whether participants truly foveate logged targets. Prior…
TinyGaze: Lightweight Gaze-Gesture Recognition on Commodity Mobile Devices
Yaxiong Lei, Hyochan Cho, Fergus Buchanan +4
Gaze gestures can provide hands free input on mobile devices, but practical use requires (i) gestures users can learn and recall and (ii) recognition models that are efficient enou…
The People's Gaze: Co-Designing and Refining Gaze Gestures with General Users and Gaze Interaction Experts
Yaxiong Lei, Xinya Gong, Shijing He +3
As eye-tracking becomes increasingly common in modern mobile devices, the potential for hands-free, gaze-based interaction grows, but current gesture sets are largely expert-design…
Privacy Perspectives and Practices of Chinese Smart Home Product Teams
Shijing He, Yaxiong Lei, Xiao Zhan +4
Previous research has explored the privacy needs and concerns of device owners, primary users, and different bystander groups with regard to smart home devices like security camera…
Identity Deepfake Threats to Biometric Authentication Systems: Public and Expert Perspectives
Shijing He, Yaxiong Lei, Zihan Zhang +4
Generative AI (Gen-AI) deepfakes pose a rapidly evolving threat to biometric authentication, yet a significant gap exists between expert understanding of these risks and public per…