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Video Abnormal Event Detection Based on One-Class Neural Network.

Xiangli Xia1, Yang Gao2

  • 1Chongqing Key Laboratory of Spatial Data Mining and Big Data Integration for Ecology and Environment, Chongqing Finance and Economics College, Chongqing 401320, China.

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|October 8, 2021
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Summary
This summary is machine-generated.

This study introduces a novel one-class neural network (ONN) method for video abnormal event detection. The approach effectively integrates autoencoder feature extraction with ONN classification for improved anomaly detection performance.

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Area of Science:

  • Computer Vision
  • Pattern Recognition
  • Machine Learning

Background:

  • Video abnormal event detection is a complex pattern recognition challenge.
  • Current methods often fail to optimize results due to independent feature extraction and anomaly detection modeling.

Purpose of the Study:

  • To develop an integrated method for video anomaly detection.
  • To improve the performance of anomaly detection by combining autoencoder and one-class neural network (ONN) capabilities.

Main Methods:

  • A novel method utilizing a one-class neural network (ONN) for video anomaly detection.
  • Integration of autoencoder's layer-by-layer data representation with ONN's classification strengths.
  • Construction of hidden layer features for anomaly detection, creating a hyperplane to separate normal and abnormal samples.

Main Results:

  • Achieved 94.9% frame-level AUC on the USCD PED1 dataset.
  • Achieved 94.5% frame-level AUC on the USCD PED2 dataset.
  • Successfully detected 80 events on the Subway dataset.

Conclusions:

  • The proposed method demonstrates strong performance and wide applicability in industrial and urban environments.
  • The integrated approach effectively addresses limitations of independent video analysis techniques.
  • This research advances the field of abnormal event detection in video surveillance.