Efficient Typing on a Visually Occluded Physical Keyboard
summary
Adapts the Velocity decoder (trained on billions of words, extended with a transposition model) to physical keyboards and adds a virtual keyboard flashes keys overlay inside the HMD. A 24-participant study shows users type over 40 WPM with about 95% accuracy (under 5% error) even though backspace is disabled; the visual flashing helps users correct hand placement and reduces errors. Implementation uses no extra hardware and trades small speed loss for much lower error rates.
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