Jingjie Zheng

schoolUniversity of Waterloobar_chart#1788 Global Rank

Total Papers

HCI Rank

#1788

Research Areas

Years Active

Recent Publications

Modeling and Reducing Spatial Jitter caused by Asynchronous Input and Output Rates

Jitter in interactive systems occurs when visual feedback is perceived as unstable or trembling even though the input signal is smooth or stationary. It can have multiple causes such as sensing noise, or feedback calculations introducing or exacerbating sensing imprecisions. Jitter can however occur even when each ind…

CHI '203rd AuthorVoice User Interface (VUI) Design +1

Using Bayes' Theorem for Command Input: Principle, Models, and Applications

Entering commands on touchscreens can be noisy, but existing interfaces commonly adopt deterministic principles for deciding targets and often result in errors. Building on prior research of using Bayes' theorem to handle uncertainty in input, this paper formalized Bayes' theorem as a generic guiding principle for dec…

CHI '192nd AuthorHand Gesture Recognition +1

i'sFree: Eyes-Free Gesture Typing via a Touch-Enabled Remote Control

Entering text without having to pay attention to the keyboard is compelling but challenging due to the lack of visual guidance. We propose i'sFree to enable eyes-free gesture typing on a distant display from a touch-enabled remote control. i'sFree does not display the keyboard or gesture trace but decodes gestures dra…

CHI '192nd AuthorHand Gesture Recognition +1

HotStrokes: Word-Gesture Shortcuts on a Trackpad

Expert interaction techniques like hotkeys are efficient, but poorly adopted because they are hard to learn. HotStrokes removes the need for learning arbitrary mappings of commands to hotkeys. A user enters a HotStroke by holding a modifier key, then gesture typing a command name on a laptop trackpad as if on an imagi…

CHI '181st AuthorHand Gesture Recognition

M3 Gesture Menu: Design and Experimental Analyses of Marking Menus for Touchscreen Mobile Interaction

Despite their learning advantages in theory, marking menus have faced adoption challenges in practice, even on today's touchscreen-based mobile devices. We address these challenges by designing, implementing, and evaluating multiple versions of M3 Gesture Menu (M3), a reimagination of marking menus targeted at mobile…

UIST '181st AuthorHand Gesture Recognition +2

FingerArc and FingerChord: Supporting Novice to Expert Transitions with Guided Finger-Aware Shortcuts

Keyboard shortcuts can be more efficient than graphical input, but they are underused by most users. To alleviate this, we present "Guided Finger-Aware Shortcuts" to reduce the gulf between graphical input and shortcut activation. The interaction technique works by recognising when a special hand posture is used to pr…

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