OCR Based Hands-Free Text Entry Using LabVIEW
R. Harikishan
Department of Electronics and Communication Engineering Lakireddy Bali Reddy College of Engineering, Mylavaram 521230, Krishna Dist., Andhra Pradesh, India , IN
B. Ravi Teja Reddy
Department of Electronics and Communication Engineering Lakireddy Bali Reddy College of Engineering, Mylavaram 521230, Krishna Dist., Andhra Pradesh, India , IN
K. Lakshmi
Department of Electronics and Communication Engineering Lakireddy Bali Reddy College of Engineering, Mylavaram 521230, Krishna Dist., Andhra Pradesh, India , IN
D.B.V. Lakshmi Narayana
Department of Electronics and Communication Engineering Lakireddy Bali Reddy College of Engineering, Mylavaram 521230, Krishna Dist., Andhra Pradesh, India , IN
B. Sandeep Kumar
Department of Electronics and Communication Engineering Lakireddy Bali Reddy College of Engineering, Mylavaram 521230, Krishna Dist., Andhra Pradesh, India , IN
Keywords: LabVIEW; OCR; NI Vision Assistant.
Abstract
Advancements in Technology aim in reduction of Human efforts to a greater extent. The objective of the project is to design a Hands-Free Text Entry System using LabVIEW. In order to assist physically handicapped persons (Bilateral Amputees in specific), a simple system is designed. Unlike previous systems which used a virtual keyboard and a webcam to detect the movements of user, we are using webcam to identify and compose the characters printed on a Sheet of paper into a String. A LASER pointer is mounted on top of camera to guide the user towards the required character. This paper contains two parts, Optical Character Recognition and composing the string obtained into a file. The OCR is developed using NI Vision Assistant for LabVIEW software-developing tool.
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