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Implementation of Memorizing Normality to Detect Anomaly: Memory-augmented Deep Autoencoder for Unsupervised Anomaly Detection.

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[TensorFlow] Memorizing Normality to Detect Anomaly: Memory-augmented Deep Autoencoder for Unsupervised Anomaly Detection

TensorFlow implementation of Memorizing Normality to Detect Anomaly: Memory-augmented Deep Autoencoder for Unsupervised Anomaly Detection. [PyTorch Version] [TensorFlow 2 Version]

Architecture

Architecture of MemAE.

Graph in TensorBoard

Graph of MemAE.

Problem Definition

'Class-1' is defined as normal and the others are defined as abnormal.

Results

Restoration result by MemAE.

Box plot and histogram of restoration loss in test procedure.

Environment

  • Python 3.7.4
  • Tensorflow 1.14.0
  • Numpy 1.17.1
  • Matplotlib 3.1.1
  • Scikit Learn (sklearn) 0.21.3

Reference

[1] Dong Gong et al. (2019). Memorizing Normality to Detect Anomaly: Memory-augmented Deep Autoencoder for Unsupervised Anomaly Detection. arXiv preprint arXiv:1904.02639.

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