Location Finding for blind People Using Voice Navigation Stick Seminar
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Transcript of Location Finding for blind People Using Voice Navigation Stick Seminar
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The Oxford College of EngineeringDepartment of ISE.
Seminar on:
“Location Finding for Blind People Using Voice Navigation Stick”
Presented By: SANJANA V 1OX12IS115
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AGENDA
INTRODUCTION PROBLEM STATEMENT EXISTING METHODS PROPOSED SYSTEM BLOCK DIAGRAM BENEFITS & LIMITATIONS REFERENCES
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INTRODUCTION
The system facilitates blind people to navigate independently without any external help by means of talkative assistance.
The system is linked with a GSM-GPS module to pin-point the location of the blind person and to establish a two way communication path in a wireless fashion.
The system is equipped with obstacle sensors such as ULTRASONIC and IR sensor to alert the blind person.
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PROBLEM STATEMENT
Over 285 million people are visually impaired worldwide: 39 million of them being blind and 246 million have low vision.
About 90% of the world’s visually impaired live in developing countries.
The blind traveller should depend on any other guide like blind cane, people information, trained dogs, etc.
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Existing Methods & Disadvantages
Blind Cane• Awkwardness.• Recognition of obstacles up to knee level.• Does not protect from obstacles at torso and face level.• Prone to injuries.
Trained Guide Dogs• 1% usage.• Expensive to Train Dogs ( $40k in USA).• Training period on an average 6 months.• Difficulty in dog up-keeping costs and lifestyle changes.
Human Guide• Dependency.• Feeling of being a burden.
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PROPOSED SYSTEM
The main objective of the voice navigation stick are:1. GPS2. GSM3. Obstacle Sensors:
Ultrasonic Sensor IR Sensor
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GPS & GSM
GPS: Features the 16 channels. This completely enabled GPS receiver provides high position, velocity and time accuracy performances as well as high sensitivity and tracking capabilities.
GSM: (Global System for Mobile communication) is a digital mobile telephony system. GSM uses a variation of time division multiple access (TDMA). GSM digitizes and compresses data, then sends it down a channel with two other streams of user data, each in its own time slot.
GPS
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ULTRASONICSENSOR
Ultrasonic sensors are used to measure distances between the obstacle/object and sensor.
Consists of ultrasonic transmitter and receiver.
Transmitter transmits signal in one direction, transmitted signal is reflected back by obstacle and received by receiver.
-Working of Ultrasonic Sensor
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BLOCK DIAGRAM
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BENEFITS & LIMITATIONBenefits Limitations
Accurate detection of obstacles of left, right and front side.
Recognition of objects.
Very convenient for the users- Independency and Confidence.
Not water proof.
Detection of ground level to head level.
Low cost.(Rs. 3000 approx.)
Very low power consumption.
High Performance.
Auto detection and auto alarming.
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REFERENCES S. Sai Santhosh, T. Sasiprabha, R. Jeberson,. "BLI – NAV Embedded Navigation
System for Blind People." IEEE, 277-282, 2010:. A. R. García, R. Fonseca. A. Durán. "Electronic long cane for locomotion improving
on visual impaired people." IEEE, pp.58-61, 2011 Alshbatat, Abdel Ilah Nour. "Automated Mobility and Orientation System for Blind
or Partially." INTERNATIONAL JOURNAL ON SMART SENSING AND INTELLIGENT SYSTEMS, 568-582, 2013.
Mahdi Safaa A., Muhsin Asaad H. and Al-Mosawi Ali I. "Using Ultrasonic Sensor for Blind and Deaf persons Combines Voice." International Science Congress Association, 50-52, 2012
Harshad Girish Lele, Viten Vilas Lonkar, Varun Vasant Marathe, Mrunmayi Mohan Modak. "electronic path guidance for visually impaired people." The International Journal Of Engineering And Science (IJES), 09-14, 2013.
K. Steed-Terry, “Integrating GIS and the Global Positioning System,” 2nd ed. ESRI inc. pp.1–12, 2001.
A. Hub and B. Schmitz, “Addition of RFID-Based Initialization and Object Recognition to the Navigation System TANIA,” Visualization and Interactive Systems Group, Stuttgart, 2009.
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QUESTIONS
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THANK YOU