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Low-Cost Human-Machine Interface for Computer Control with Facial Landmark Detection and Voice Commands.

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Summary

This study introduces EMKEY, an artificial vision and voice recognition interface that emulates computer mouse and keyboard functions. It offers a practical solution for individuals with upper limb disabilities, enhancing computer accessibility.

Keywords:
H/M interfaceface trackingfacial landmarkshandicapkeyboardmousespeech recognitionvoice commands

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Area of Science:

  • Computer Science
  • Human-Computer Interaction
  • Rehabilitation Engineering

Background:

  • Modern society necessitates extensive computer interaction, posing challenges for individuals with upper limb disabilities.
  • Existing assistive technologies may not fully address the need for seamless computer control for all users.

Purpose of the Study:

  • To develop and evaluate an innovative interface, EMKEY (Emulating Mouse and Keyboard functions), for computer control using artificial vision and voice recognition.
  • To assess the usability and effectiveness of EMKEY for individuals with and without physical disabilities.

Main Methods:

  • Developed EMKEY interface integrating head movement for pointer control and voice recognition for command execution and speech-to-text.
  • Conducted two studies: one with 30 unimpaired participants to analyze usability correlations, and a second with four participants with motor disabilities to assess real-world application.

Main Results:

  • The first study revealed significant correlations between EMKEY usability and adaptability, execution time, and participant age.
  • The second study indicated EMKEY was most effective for a participant with cerebral palsy, followed by those with upper limb paralysis, spina bifida, and muscular dystrophy.

Conclusions:

  • EMKEY is a user-friendly, practical, and accurate interface adaptable to various computer systems.
  • The developed interface demonstrates significant potential as an assistive technology for individuals with motor impairments, improving their computer interaction capabilities.