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Generative Adversarial Network with Soft-Dynamic Time Warping and Parallel Reconstruction for Energy Time Series Anomaly Detection
Feb. 23, 2024, 5:42 a.m. | Hardik Prabhu, Jayaraman Valadi, Pandarasamy Arjunan
cs.LG updates on arXiv.org arxiv.org
Abstract: In this paper, we employ a 1D deep convolutional generative adversarial network (DCGAN) for sequential anomaly detection in energy time series data. Anomaly detection involves gradient descent to reconstruct energy sub-sequences, identifying the noise vector that closely generates them through the generator network. Soft-DTW is used as a differentiable alternative for the reconstruction loss and is found to be superior to Euclidean distance. Combining reconstruction loss and the latent space's prior probability distribution serves as …
abstract adversarial anomaly anomaly detection arxiv cs.lg data dcgan detection dynamic energy generative generative adversarial network gradient network noise paper series them time series type vector
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