A Dual Transformer-Based Deep Learning Model for Passenger Anomaly Behavior Detection in Elevator Cabs

Yijin Ji, Haoxiang Sun, Benlian Xu, Mingli Lu, Xu Zhou and Jian Shi
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Yijin Ji: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province, China
Haoxiang Sun: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province, China
Benlian Xu: Suzhou University of Science and Technology, China
Mingli Lu: Changshu Institute of Technology, China
Xu Zhou: Changshu Institute of Technology, China
Jian Shi: Changshu Institute of Technology, China

International Journal of Swarm Intelligence Research (IJSIR), 2024, vol. 15, issue 1, 1-14

Abstract: Effective detection of abnormal behaviors within elevator cabins is critical to ensure elevator safety. While existing deep learning based anomaly detection methods mainly focus on convolutional neural networks for spatial feature extraction and recurrent networks for temporal feature learning, recent advancements in the Transformer architecture have demonstrated its power in time series predictions, and extended its capabilities to vision detection tasks. In this study, we present a duel transformer-based framework that can proficiently detect falling and fighting events in elevator cabs. The proposed solution leverages the vision transformer (ViT) to extract frame-level spatial features, followed by a temporal Transformer to identify abnormalities in surveillance videos. A comprehensive comparison between the proposed transformer-based method and other traditional recurrent neural network variants is carried out to validate the effectiveness of the method.

Date: 2024
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