The Daily Dose

Stephen Hawking’s speech system is now available to the public for free as open source code — but there’s one downside — it’s for the PC only. The Assistive Context-Aware Toolkit (ACAT) — some three years in the making — facilitates the use of computers by folks with physical conditions that limit their movements. The system was created for Professor Hawking, who has ALS, to ease communications by translating his facial movements into text. The ACAT software uses visual cues from a user’s face to understand commands. Inputs can come from an infrared sensor or a webcam. The system then selects letters to form…

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