bReader – Blind can read now

Outline How blind read? Motivation Introduction System Overview Application Preview Tools and Techniques Used in bReader Implementation

How blind read?

Braille Patterns

Motivation Blind Students Burden of huge volume of Braille books

What is bReader? bReader is an embedded application, which allows the visually impaired person to read books. This application takes a picture of texts from book, then extracts texts from scanned picture and give its Braille output as well as audio of the text.

How does it work? Camera target the image Scanning Extract Text

Use case for blind person to read text

Sequence diagram for blind person to read text

Flow Diagram From the book USER Clicks picture Scanning Extract text from image Embossing of characters and audio observed by user Converting Give Braille & audio output

Functional Requirements REQ1: Camera will capture the picture. REQ2: The software will scan or extract the text from the picture. REQ3: The scanned text then embossed the characters on the braille device and also convert to the audio.

Tools and techniques used Netbeans 8.2 Tesseract (Tess4J) Free TTS library (Text to speech) Arduino 1.8.2 Proteus 8 Professional

Hardware Required Bluetooth HC06 Arduino UNO LED Battery 9 Volt Bread Board

Interface 1

Interface 2

Interface 3

Interface 4

Circuit diagram

Computer Prototype

Hardware Interface 1

Hardware interface 2

DEMO