Zhi Li

schoolStony Brook Universitybar_chart#1820 Global Rank

Total Papers

HCI Rank

#1820

Research Areas

Years Active

Recent Publications

Accessible Gesture Typing on Smartphones for People with Low Vision

While gesture typing is widely adopted on touchscreen keyboards, its support for low vision users is limited. We have designed and implemented two keyboard prototypes, layout-magnified and key-magnified keyboards, to enable gesture typing for people with low vision. Both keyboards facilitate uninterrupted access to a…

CHI '231st AuthorVisual Impairment Technologies (Screen Readers, Tactile Graphics, Braille)

Modeling Touch-based Menu Selection Performance of Blind Users via Reinforcement Learning

Although menu selection has been extensively studied in HCI, most existing studies have focused on sighted users, leaving blind users' menu selection under-studied. In this paper, we propose a computational model that can simulate blind users’ menu selection performance and strategies, including the way they use techn…

CHI '233rd AuthorEye Tracking & Gaze Interaction

GlanceWriter: Writing Text by Glancing Over Letters with Gaze

Writing text with eye gaze only is an appealing hands-free text entry method. However, existing gaze-based text entry methods introduce eye fatigue and are slow in typing speed because they often require users to dwell on letters of a word, or mark the starting and ending positions of a gaze path with extra operations…

IUI '223rd AuthorEye Tracking & Gaze Interaction +1

EyeSayCorrect: Eye Gaze and Voice Based Hands-free Text Correction for Mobile Devices

Text correction on mobile devices usually requires precise and repetitive manual control. In this paper, we present EyeSayCorrect, an eye gaze and voice based hands-free text correction method for mobile devices. To correct text with EyeSayCorrect, the user first utilizes the gaze point on the screen to select a word,…

CHI '221st AuthorHand Gesture Recognition +1

Select or Suggest? Reinforcement Learning-based Method for High-Accuracy Target Selection on Touchscreens

Suggesting multiple target candidates based on touch input is a possible option for high-accuracy target selection on small touchscreen devices. But it can become overwhelming if suggestions are triggered too often. To address this, we propose SATS, a Suggestion-based Accurate Target Selection method, where target sel…

CHI '213rd AuthorFoot & Wrist Interaction

BackSwipe: Back-of-device Word-Gesture Interaction on Smartphones

Back-of-device interaction is a promising approach to interacting on smartphones. In this paper, we create a back-of-device command and text input technique called BackSwipe, which allows a user to hold a smartphone with one hand, and use the index finger of the same hand to draw a word-gesture anywhere at the back o…

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