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

<div>(a) Facial regions detected by two face trackers (white and violet-bounding boxes) and a combined pointer (red cross). (b) Sequences of no gestures (labelled as 0) and mouth-opening gestures (labelled as 1).</div>

Advances in Human-Computer Interaction

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Figure 1

Figure 1: Vision-Based Interfaces for Character-Based Text Entry: Comparison of Errors and Error Correction Properties of Eye Typing and Head Typing 