A pocket-PC based navigational aid for blind individuals

  title={A pocket-PC based navigational aid for blind individuals},
  author={Maroof H. Choudhury and Daniel Aguerrevere and Armando Barreto},
  journal={2004 IEEE Symposium on Virtual Environments, Human-Computer Interfaces and Measurement Systems, 2004. (VCIMS).},
This paper describes a pocket-PC based electronic travel aid (ETA) that helps a blind individual navigate through indoor environments. The system detects surrounding obstacles using ultrasonic range sensors and the travel direction using an electronic compass. The acquired information is processed by a pocket-PC to generate a virtual acoustic environment where nearby obstacles are recognizable to the user. This virtual environment is played back through stereo headphones, so that the user can… CONTINUE READING

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