Natya Shastra: Deep Learning for Automatic Classification of Hand Mudra in Indian Classical Dance Videos

The human body's temporal fluctuation is referred to as human activity.The preservation of cultural heritage, the development of video recommendation systems, the support of learners via tutoring systems will benefit from the capture and evaluation of dance-related multimedia content.Because of its detailed hand gesture, Indian classical dance (ICD) classification is still an enthralling field of study.This provides a framework for analyzing various computer vision and deep learning ideas.Automated teaching solutions across all disciplines, from traditional to online forums, become unavoidable through changes in learning habits.ICD also becomes a crucial component of a thriving culture and heritage that must be updated and preserved at all costs.The dance involves complex positions like self-hands-occlusion and full-body rotation.The main objective of this study is, in the Bharatanatyam dancing style we proposed a framework for categorizing hasta mudras.Our Convolution Neural Network -Long Short Term Memory (CNN-LSTM) deep knowledge architecture for Indian Classical Dancing (ICD) categorization now includes a new hand posture signature.By guessing where people's hands would be, we rated dance performances.This architecture assesses hand poses using information and information pruning, while a dance instructor application assesses the time and accuracy of student dances.252 YouTube videos of the Bharatanatyam dance form has been used to make up the dataset used in our research.This study offers a methodology with three-phase deep learning techniques.Then, using the pre-trained paradigm TensorFlow EfficientNet -UNet, which aids us in determining any hand position within the frame, we extracted the appropriate joint locations of the hands from each video frame.Then, cosine similarity was used to identify or correlate the indicated action factors.Finally, using key details from the hand pose, we categorized it and trained the Convolution Neural Network -Long Short Term Memory (CNN-LSTM) network structure using the classification system's training dataset.Regarding factors like accuracy, F1-score, AUC curve, recall and precision, the proposed CNN-LSTM structure for classifying hand mudras is compared with Convolutional LSTM Long Term Recurrent Convolutional Network(LRCN), Multilayer Perceptron (MLP), LSTM and 3D Convolutional Layer (CONV3D).As a result, it was found that throughout the examination process, the proposed CNN-LSTM classification structure achieved 98.53% accuracy, 99.04% precision, 98.49% recall, 99.12% AUC score, and 98.74% F1-score.This achieves 94.03% accuracy, 93.13% precision, 94.76% recall, 96.06% AUC score, and 93.53% F1-score during the training method.

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