Design and development of phoneme based sign language recognition system for the hearing impaired

Sign language recognition is one of the most promising sub-fields in gesture recognition research. Sign languages are commonly developed for hearing impaired communities, which can include interpreters, friends and families of hearing impaired people as well...

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Main Author: Rajkumar, Palaniappan
Format: Thesis
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2014
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Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/31948
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spelling my.unimap-319482014-02-15T02:45:27Z Design and development of phoneme based sign language recognition system for the hearing impaired Rajkumar, Palaniappan Sign language recognition Hand gesture Gesture recognition Artificial Neural Network (ANN) Sign languages Hearing impaired Sign language recognition is one of the most promising sub-fields in gesture recognition research. Sign languages are commonly developed for hearing impaired communities, which can include interpreters, friends and families of hearing impaired people as well as people who are hard of hearing themselves. This thesis discusses the development of a Phoneme based sign language recognition system for the hearing impaired. Previous research on sign language recognition systems have concentrated on finger spellings recognition or isolated word recognition. This research focuses on developing a sign language recognition system for recognizing 44 English phonemes. To represent the 44 English phonemes, as a first step, 11 different gestures were developed. By selecting suitable combination of these 11 gestures for the right and left hand, 44 different gesture combinations were formulated. The signed data are collected from seven subjects using an ordinary web camera at a resolution of 640×480 pixels. The data is preprocessed and features are extracted from the segmented regions of the signed data. A newly proposed interleaving preprocessing algorithm used in developing the sign language recognition system is discussed in this thesis. Artificial Neural Network (ANN) provides alternative form of computing that attempts to mimic the functionality of the brain. The feature set is then feed to the neural network model to classify the phoneme sign. An audio system is installed to play the particular word for the communication between the ordinary people and hearing impaired community. Experimental results show that the use of proposed interleaving method yields a better classification accuracy compared to the conventional method. The vertical interleaving method using combined blur and affine moment invariant features and Elman network yields the maximum classification accuracy of 95.50%. 2014-02-15T02:45:27Z 2014-02-15T02:45:27Z 2012 Thesis http://dspace.unimap.edu.my:80/dspace/handle/123456789/31948 en Universiti Malaysia Perlis (UniMAP) School of Mechatronic Engineering
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Sign language recognition
Hand gesture
Gesture recognition
Artificial Neural Network (ANN)
Sign languages
Hearing impaired
spellingShingle Sign language recognition
Hand gesture
Gesture recognition
Artificial Neural Network (ANN)
Sign languages
Hearing impaired
Rajkumar, Palaniappan
Design and development of phoneme based sign language recognition system for the hearing impaired
description Sign language recognition is one of the most promising sub-fields in gesture recognition research. Sign languages are commonly developed for hearing impaired communities, which can include interpreters, friends and families of hearing impaired people as well as people who are hard of hearing themselves. This thesis discusses the development of a Phoneme based sign language recognition system for the hearing impaired. Previous research on sign language recognition systems have concentrated on finger spellings recognition or isolated word recognition. This research focuses on developing a sign language recognition system for recognizing 44 English phonemes. To represent the 44 English phonemes, as a first step, 11 different gestures were developed. By selecting suitable combination of these 11 gestures for the right and left hand, 44 different gesture combinations were formulated. The signed data are collected from seven subjects using an ordinary web camera at a resolution of 640×480 pixels. The data is preprocessed and features are extracted from the segmented regions of the signed data. A newly proposed interleaving preprocessing algorithm used in developing the sign language recognition system is discussed in this thesis. Artificial Neural Network (ANN) provides alternative form of computing that attempts to mimic the functionality of the brain. The feature set is then feed to the neural network model to classify the phoneme sign. An audio system is installed to play the particular word for the communication between the ordinary people and hearing impaired community. Experimental results show that the use of proposed interleaving method yields a better classification accuracy compared to the conventional method. The vertical interleaving method using combined blur and affine moment invariant features and Elman network yields the maximum classification accuracy of 95.50%.
format Thesis
author Rajkumar, Palaniappan
author_facet Rajkumar, Palaniappan
author_sort Rajkumar, Palaniappan
title Design and development of phoneme based sign language recognition system for the hearing impaired
title_short Design and development of phoneme based sign language recognition system for the hearing impaired
title_full Design and development of phoneme based sign language recognition system for the hearing impaired
title_fullStr Design and development of phoneme based sign language recognition system for the hearing impaired
title_full_unstemmed Design and development of phoneme based sign language recognition system for the hearing impaired
title_sort design and development of phoneme based sign language recognition system for the hearing impaired
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/31948
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score 13.211869