Vision-Based Interfaces for Character-Based Text Entry: Comparison of Errors and Error Correction Properties of Eye Typing and Head Typing

<div>Average lengths of corrective actions in sessions 1, 2 and 3. The most frequent characters “<i>a</i>,” “<i>i</i>,” SPACE, “<i>t</i>,” “<i>n</i>,” “<i>e</i>” and “<i>s</i>” are marked as red. Function keys are excluded from analysis.</div>

Advances in Human-Computer Interaction

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Figure 8

Figure 8: Vision-Based Interfaces for Character-Based Text Entry: Comparison of Errors and Error Correction Properties of Eye Typing and Head Typing 