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Inicio  /  AI  /  Vol: 5 Par: 1 (2024)  /  Artículo
ARTÍCULO
TITULO

MultiWave-Net: An Optimized Spatiotemporal Network for Abnormal Action Recognition Using Wavelet-Based Channel Augmentation

Ramez M. Elmasry    
Mohamed A. Abd El Ghany    
Mohammed A.-M. Salem and Omar M. Fahmy    

Resumen

Human behavior is regarded as one of the most complex notions present nowadays, due to the large magnitude of possibilities. These behaviors and actions can be distinguished as normal and abnormal. However, abnormal behavior is a vast spectrum, so in this work, abnormal behavior is regarded as human aggression or in another context when car accidents occur on the road. As this behavior can negatively affect the surrounding traffic participants, such as vehicles and other pedestrians, it is crucial to monitor such behavior. Given the current prevalent spread of cameras everywhere with different types, they can be used to classify and monitor such behavior. Accordingly, this work proposes a new optimized model based on a novel integrated wavelet-based channel augmentation unit for classifying human behavior in various scenes, having a total number of trainable parameters of 5.3 m with an average inference time of 0.09 s. The model has been trained and evaluated on four public datasets: Real Live Violence Situations (RLVS), Highway Incident Detection (HWID), Movie Fights, and Hockey Fights. The proposed technique achieved accuracies in the range of 92%" role="presentation" style="position: relative;">92%92% 92 % to 99.5%" role="presentation" style="position: relative;">99.5%99.5% 99.5 % across the used benchmark datasets. Comprehensive analysis and comparisons between different versions of the model and the state-of-the-art have been performed to confirm the model?s performance in terms of accuracy and efficiency. The proposed model has higher accuracy with an average of 4.97%" role="presentation" style="position: relative;">4.97%4.97% 4.97 % , and higher efficiency by reducing the number of parameters by around 139.1 m compared to other models trained and tested on the same benchmark datasets.

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