Xiaoying Wei

schoolTsinghua Universitybar_chart#4401 Global Rank

Total Papers

HCI Rank

#4401

Research Areas

Years Active

Recent Publications

Auth+Track: Enabling Authentication Free Interaction on Smartphone by Continuous User Tracking

In this paper, we propose Auth+Track, a novel authentication model that aims to reduce redundant authentication in everyday smartphone usage. By sparse authentication and continuous tracking of user's status, Auth+Track eliminates the "gap" authentication between fragmented sessions and enables "Authentication Free wh…

CHI '192nd AuthorHand Gesture Recognition +1

HandSee: Enabling Full Hand Interaction on Smartphone with Front Camera-based Stereo Vision

We present HandSee, a novel sensing technique that can capture the state and movement of the user's hands touching or gripping a smartphone. We place a right angle prism mirror on the front camera to achieve a stereo vision of the scene above the touchscreen surface. We develop a pipeline to extract the depth image of…

UIST '195th+ AuthorFoot & Wrist Interaction +1

Accurate and Low-Latency Sensing of Touch Contact on Any Surface with Finger-Worn IMU Sensor

Head-mounted Mixed Reality (MR) systems enable touch interaction on any physical surface. However, optical methods (i.e., with cameras on the headset) have difficulty in determining the touch contact accurately. We show that a finger ring with Inertial Measurement Unit (IMU) can substantially improve the accuracy of c…

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