A cheap guidance system based on AT89C52 microcontroller is developed for facilitating visually impaired people. Ultrasonic sensors are used to calculate distance of the obstacles around the blind person to guide the user towards the available path. Output is in the form of voice which the blind person can hear e.g., right, left etc. In its advance mode, the system will be able to recognize objects using image processing algorithms. Results are presented to show the validity and performance of the system.

This new visual prosthesis produces ....etc

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A visual prosthesis, often called a bionic eye, is an experimental visual device intended to restore functional vision in those who suffer from partial or total blindness. In 1983 Joao Lobo Antunes, Portuguese physician, implanted a bionic eye in a blind person of birth. Many devices have been developed, usually modeled in the cochlear implant or bionic hearing devices, a type of neural prosthesis in use since the mid-eighties. The idea of using electric current (for example, electrically stimulating the retina or the visual cortex) to provide ....etc

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Presented by:Sorin Draghici
Dept. of Computer Science
Wayne State UniversityA neural network based artificial vision system for licence plate recognition

Abstract
This paper presents a neural network based artificial vision system able to analyse the image of a car given by a camera, locate the registration plate and recognise the registration number of the car. The paper describes in detail various practical problems encountered in implementing this particular ....etc

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Electrically stimulating nerve tissues associated with vision (such as the retina) to help transmit electrical signals with visual information to the brain through intact neural networks. This is the basic concept of the artificial vision system. This idea is rational and feasible, and therefore has sparked R&D throughout the world.
There is more than one specification for the system. Many types of systems are being proposed because of its potential for the development of various types of devices with existing technologies. Such devices take ....etc

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I m kalyani Darade student of B.E.(instrumentation and control)
I want more information about the topic mention below related with MEMS-
Artificial Vision to visually impaired using Bio medical smart sensors
replay as early as possible. ....etc

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Hi am kalyan i would like to get details on artificial hand using embedded system ppt ..My friend Justin said artificial hand using embedded system ppt will be available here and now i am living at .. and i last studied in the college/school .. and now am doing ..i need help on ..etc ....etc

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PAPER SUBMITTED BY:
B.V.KRISHNAKOWSIC
N.NAVEENKUMAR




ABSTRACT:
Blindness is more feared by the public than any other ailment. Artificial vision for the blind was once the stuff of science fiction. But now, a limited form of artificial vision is a reality .Now we are at the beginning of the end of blindness with this type of technology. In an effort to illuminate the perpetually dark world of the blind, researchers are turning to technology. They are investigating several electron ....etc

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The AT89C52 microcontroller is the heart of the design. Ultrasonic waves are transmitted to the free space and when touched the obstacle is reflected. The reflected waves are received by the receiver. The demodulator is used to process the signal and gives the processed signal to the microcontroller. The microcontroller then actuates the relay connected to the APR9600 of the voice IC by which the blind person can get to know the obstacle. The microcontroller is provided with an oscillator frequency of 12 mhz, and a l ....etc

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i need 8051 c coding of ultrasonic sensor hc-sr04..in determining of distance of obstacle ....etc

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A new device to help the blind to see has been developed by scientists. The electric lollipop or BrainPort vision device captures images using a small camera and then turns the image into tiny tingles on the tongue. Tingles are sent to the brain, which then turns the tingles into pictures. After a few days of practicing people, who otherwise could not see, they were able to distinguish shapes, read signs and even read letters. This amazing new device can help people to interact with their environment so never before experiences.

Using the un ....etc

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