Mobility and orientation aid for blind persons using artificial vision
Gustavo Costa; Adrián Gusberti; Juan Pablo Graffigna; Martín Guzzo; Oscar Nasisi; Gustavo Costa; Facultad de Ingeniería, Universidad Nacional de San Juan, San Juan, Argentina; Adrián Gusberti; Facultad de Ingeniería, Universidad Nacional de San Juan, San Juan, Argentina; Juan Pablo Graffigna; Facultad de Ingeniería, Universidad Nacional de San Juan, San Juan, Argentina; Martín Guzzo; Facultad de Ingeniería, Universidad Nacional de San Juan, San Juan, Argentina; Oscar Nasisi; Facultad de Ingeniería, Universidad Nacional de San Juan, San Juan, Argentina
Журнал:
Journal of Physics: Conference Series
Дата:
2007-11-01
Аннотация:
Blind or vision-impaired persons are limited in their normal life activities. Mobility and orientation of blind persons is an ever-present research subject because no total solution has yet been reached for these activities that pose certain risks for the affected persons. The current work presents the design and development of a device conceived on capturing environment information through stereoscopic vision. The images captured by a couple of video cameras are transferred and processed by configurable and sequential FPGA and DSP devices that issue action signals to a tactile feedback system. Optimal processing algorithms are implemented to perform this feedback in real time. The components selected permit portability; that is, to readily get used to wearing the device.
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