What question did this study set out to answer?

The aim is to develop and evaluate a one-handed text input method using thumb-to-finger gestures for enhanced usability.

February 2, 2026SensorsOpen Access

FingerType: One-Handed Thumb-to-Finger Text Input Using 3D Hand Tracking

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The aim is to develop and evaluate a one-handed text input method using thumb-to-finger gestures for enhanced usability.
Developed FingerType using 3D hand data and a Temporal Convolutional Network.
Conducted a user study with 24 participants to compare performance with controller and touch input.
Collected comfort ratings and analyzed thumb-to-finger interactions.
Designed an improved T9-style key layout based on interaction data.
Achieved 94.97% accuracy in tap detection at 72 frames per second.
Increased typing speed from 5.88 WPM in the first block to 10.63 WPM in the final block.
Achieved 84.41% attention on the display panel during eyes-free typing, compared to 69.47% for touch input.

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Implication

User study demonstrates improved text input speed using thumb-to-finger gestures in a one-handed method, indicating potential for enhanced typing experiences.

Cite This Study

Jia et al. (2026) studied this question.

synapsesocial.com/papers/6980fd81c1c9540dea80f3ac https://doi.org/10.3390/s26030897

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Implication

User study demonstrates improved text input speed using thumb-to-finger gestures in a one-handed method, indicating potential for enhanced typing experiences.

FingerType: One-Handed Thumb-to-Finger Text Input Using 3D Hand Tracking

Key Points

Discussion

Implication

Cite This Study

FingerType: One-Handed Thumb-to-Finger Text Input Using 3D Hand Tracking

Key Points

Discussion

Implication

Cite This Study

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