Technical seminar on

ELECTRONIC EYE

FOR VISUALLY IMPAIRED

Submitted To

Mr. Muthaiah UAsst. ProfessorDept Of CSE, MVJCE

Made By

Debabrata Halder Cs-viii Sem 1mj08cs017

AN OVERVIEW OF ELECTRONIC EYE

A Camera To Capture The Image Of Crossroads And Traffic Signals

A Voice Speech Generator - Used To Instruct The User

Tiny Computer

Image Analyzer

Cross Road Detector

The Traffic Light Detector

The Timer Unit

Voice Speech Generator

FUNCTIONS OF THE SYSTEM

SCHEMATIC DIAGRAM

CAMERA IMAGE ANALYSER

CROSS ROAD DETECTOR

VOICESPEECH

GENERATOR

TRAFFIC LIGHT

DETECTOR

TIMINGUNIT

TO USERS

EAR

IMAGE ANALYSER

Detects The Presence Of A Zebra Crossing

Gradient Filter

Sobel Edge Filter

CROSSROAD PATTERN DETECTION

Detection Of Basic Shapes By Hough Transform.

Hough Transform Is To Translate The Points In (X, Y) Space Into (M,c) Space Using The Equation:

C=(-x)m+y

TIME REQUIRED TO CROSS THE ROAD

User Covers A Distance Of One Foot In

A Minute

Calculated Width Of The Road

T = -------------------------------------------------------------------

Distance Covered By The User In One Second

TRAFFIC LIGHT DETECTOR

Recognize Signal

Detect The Elapsed Time

Content-based Image Database System

TRAFIC LIGHT DETECTOR

IMAGE DATABASE OBTAINED IMAGE

PEDESTRIAN LIGHT DETECTION

TIMER UNIT

TIMING UNIT

If T < T1, The System Instructs The User

To Cross The Road.

Where

T - Calculated Value To Cross Road

T1- Traffic Signal Time

VOICE SPEECH SYSTEM

Auditory Image Representation

Producing Of A Symbolic Description

Converting To Voice By Using Voice Speech Software

FLOW CHART

CAPTURETHE

IMAGE

IMAGE ANALYSER

START

ANALYSETHE IMAGE

ISTHER ANYCROSS ROAD

NO

YES

A

CROSS ROAD DETECTOR

A

CALCULATE THE WIDTH OF THE

ROAD

INFORM THE USER THAT A CROSS

ROAD IS DETECTED

B

IDENTIFY THE TIME LEFT IN THE TRAFFIC SIGNAL (B)

IS THELIGHT

FAVOURABLE

CALCULATE THE TIME TAKEN TO

CROSS THE ROAD (A)

INFORM THE USER TO WAIT

YES NO

B

TRAFFIC LIGHT DETECTOR

C

IFT<T1

INFORM THE USER TO CROSS

THE ROAD

INFORM THE USER TO WAIT

STOP

YES NO

C

TIMER UNIT

CONCLUSION

• Thus The Paper Electronic Eye Makes The Blinds To Lead More Independent Lives

• This Effective Navigation System Would Improve The Mobility Of Millions Of Blind People All Over The World

THANK YOU

QUERIES ?