Quickpie: An Interface for Fast and Accurate Eye Gazed based Text Entry
Pawan Patidar, Himanshu Raghuvanshi, Sayan Sarcar

TL;DR
Quickpie is a novel eye gaze interface that simplifies pie menu design by using a single depth layer and a border selection method, improving speed and accuracy in text entry.
Contribution
It introduces a single-layer pie menu with a border selection method, addressing inefficiencies of multi-layer menus and dwell time limitations in eye gaze text entry.
Findings
Six slices with 120 px character width perform best.
Single-layer pie menu improves selection speed and accuracy.
Border selection method outperforms dwell time in efficiency.
Abstract
Pie menus are suggested as powerful tool for eye gaze based text entry among various interfaces developed so far. If pie menus are used with multiple depth layers then multiple saccades are required per selection of item, which is inefficient because it consumes more time. Also dwell time selection method is limited in performance because higher dwell time suffers from inefficiency while lower one from inaccuracy. To overcome problems with multiple depth layers and dwell time, we designed Quickpie, an interface for eye gaze based text entry with only one depth layer of pie menu and selection border as selection method instead of dwell time. We investigated various parameters like number of slices in pie menu, width characters and safe region, enlarged angle of slice and selection methods to achieve better performance. Our experiment results indicates that six number of slices with width…
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Taxonomy
TopicsGaze Tracking and Assistive Technology · Interactive and Immersive Displays · Tactile and Sensory Interactions
