A novel quantum-behaved binary firefly algorithm with gravitational search algorithm to optimize the features for human activity recognition

Sonika Jindal, Monika Sachdeva () and Alok Kumar Singh Kushwaha ()
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Sonika Jindal: Department of Computer Science & Engineering, IK Gujral Punjab Technical University, Jalandhar, India
Monika Sachdeva: Department of Computer Science & Engineering, IK Gujral Punjab Technical University, Jalandhar, India
Alok Kumar Singh Kushwaha: Department of Computer Science & Engineering, Guru Ghasidas Vishwavidyalaya, Bilaspur, India

International Journal of Modern Physics C (IJMPC), 2022, vol. 33, issue 11, 1-19

Abstract: This paper proposes a novel optimization approach of the quantum-behaved binary firefly algorithm with a gravitational search algorithm (QBFA-GSA) for discrete feature optimization, which is utilized for the application of human activity recognition. The firefly algorithm (FA) and gravitational search algorithm (GSA) are recently introduced meta-heuristic algorithms that are efficient for optimizing the continuous solution set. The binarized version of the proposed approach enables it to optimize the discrete features and quantum behavior ensures the better diversity of the final optimized features. In the proposed QBFA-GSA approach, the features are optimized by following the combined advantageous attributes of FA and GSA in which the search space is initially explored by firefly agents until the current firefly finds the brighter firefly and further these agents adapt the attributes of GSA to complete the process. These optimized features are passed to deep neural networks (DNN) for the classification of human activities. Here, DNN models of deep convolutional neural networks (DCNN) and DCNN extended with residual blocks (DCNN-RB) are incorporated. The evaluation experiments for human activity recognition are conducted on a benchmark dataset of UCF-101, which is a composition of 101 different activities. The experimental results of the proposed QBFA-GSA approach are superlative to state-of-art techniques, which indicate that the proposed approach is efficient to optimize the features.

Keywords: Quantum computing; gravitational search algorithm; deep neural networks; discrete optimization; meta-heuristic; firefly algorithm; human activity recognition; feature selection (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0129183122501467

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