Xin-Tong Liu

μDPad: A Large-Scale Multimodal PPG and IMU Dataset for Wrist-Worn Microgesture Recognition

Gestures provide a natural interaction modality for mobile and wearable devices. However, most prior work focuses on macro gestures involving large wrist or arm movements, which are fatiguing and socially conspicuous. In contrast, microgestures, subtle, low-effort finger movements that can be performed one-handed and w...