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Human Activity Classification Using the 3DCNN Architecture

Vrskova, Roberta ; Hudec, Robert ; Kamencay, Patrik ; Sykora, Peter

Applied sciences, 2022-01, Vol.12 (2), p.931 [Periódico revisado por pares]

Basel: MDPI AG

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  • Título:
    Human Activity Classification Using the 3DCNN Architecture
  • Autor: Vrskova, Roberta ; Hudec, Robert ; Kamencay, Patrik ; Sykora, Peter
  • Assuntos: 3DCNN ; Classification ; Computer architecture ; Data analysis ; Datasets ; Human motion ; Image classification ; Industrial applications ; Long short-term memory ; neural network ; Neural networks ; Nonviolence ; Public spaces ; recognition ; UCF YouTube Action dataset ; video ; Video data ; Violence
  • É parte de: Applied sciences, 2022-01, Vol.12 (2), p.931
  • Descrição: Interest in utilizing neural networks in a variety of scientific and academic studies and in industrial applications is increasing. In addition to the growing interest in neural networks, there is also a rising interest in video classification. Object detection from an image is used as a tool for various applications and is the basis for video classification. Identifying objects in videos is more difficult than for single images, as the information in videos has a time continuity constraint. Common neural networks such as ConvLSTM (Convolutional Long Short-Term Memory) and 3DCNN (3D Convolutional Neural Network), as well as many others, have been used to detect objects from video. Here, we propose a 3DCNN for the detection of human activity from video data. The experimental results show that the optimized proposed 3DCNN provides better results than neural network architectures for motion, static and hybrid features. The proposed 3DCNN obtains the highest recognition precision of the methods considered, 87.4%. In contrast, the neural network architectures for motion, static and hybrid features achieve precisions of 65.4%, 63.1% and 71.2%, respectively. We also compare results with previous research. Previous 3DCNN architecture on database UCF Youtube Action worked worse than the architecture we proposed in this article, where the achieved result was 29%. The experimental results on the UCF YouTube Action dataset demonstrate the effectiveness of the proposed 3DCNN for recognition of human activity. For a more complex comparison of the proposed neural network, the modified UCF101 dataset, full UCF50 dataset and full UCF101 dataset were compared. An overall precision of 82.7% using modified UCF101 dataset was obtained. On the other hand, the precision using full UCF50 dataset and full UCF101 dataset was 80.6% and 78.5%, respectively.
  • Editor: Basel: MDPI AG
  • Idioma: Inglês
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