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Interpretation of expressions through hand signs using deep learning techniques

Author(s)
Sameena Javaid Department of Computer Sciences, School of Engineering and Applied Sciences, Bahria University Karachi Campus, Karachi 75290, Pakistan
Safdar Rizvi Department of Computer Sciences, School of Engineering and Applied Sciences, Bahria University Karachi Campus, Karachi 75290, Pakistan
Muhammad Talha Ubaid National Center of Artificial Intelligence, KICS, University of Engineering and Technology, Lahore , Pakistan
Abdou Darboe, University of The Gambia, Serrekunda, The Gambia
Shakir Mahmood Mayo University of Engineering & Technology Lahore
Abstract
It is a challenging task to interpret sign language automatically, as it comprises high-level vision features to accurately understand and interpret the meaning of the signer or vice versa. In the current study, we automatically distinguish hand signs and classify seven basic gestures representing symbolic emotions or expressions like happy, sad, neutral, disgust, scared, anger, and surprise. Convolutional Neural Network is a famous method for classifications using vision-based deep learning; here in the current study, proposed transfer learning using a well-known architecture of VGG16 to speed up the convergence and improve accuracy by using pre-trained weights. We obtained a high accuracy of 99.98% of the proposed architecture with a minimal and low-quality data set of 455 images collected by 65 individuals for seven hand gesture classes. Further, compared the performance of VGG16 architecture with two different optimizers, SGD, and Adam, along with some more architectures of AlexNet, LeNet05, and ResNet50.
Publication Details
Page(s) 590-611
DOI DOI not available
Published Journal: International Journal of Innovations in Science & Technology, Volume: 4, Issue: 2, Year: 2022

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Keywords
Transfer Learning, VGG16, Pakistan Sign Language, Convolutional Neural Network (CNN), Hand Gestures
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