Abnormal Event Detection in Videos using Spatiotemporal Autoencoder

6 Jan 2017  ·  Yong Shean Chong, Yong Haur Tay ·

We present an efficient method for detecting anomalies in videos. Recent applications of convolutional neural networks have shown promises of convolutional layers for object detection and recognition, especially in images. However, convolutional neural networks are supervised and require labels as learning signals. We propose a spatiotemporal architecture for anomaly detection in videos including crowded scenes. Our architecture includes two main components, one for spatial feature representation, and one for learning the temporal evolution of the spatial features. Experimental results on Avenue, Subway and UCSD benchmarks confirm that the detection accuracy of our method is comparable to state-of-the-art methods at a considerable speed of up to 140 fps.

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Task Dataset Model Metric Name Metric Value Global Rank Result Benchmark
Abnormal Event Detection In Video UBI-Fights LSTM-VAE AUC 0.541 # 4
Decidability 0.059 # 6
EER 0.480 # 5
Semi-supervised Anomaly Detection UBI-Fights LSTM-AE AUC 0.541 # 4
Decidability 0.059 # 7
EER 0.480 # 6

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