An LSTM-Autoencoder Architecture for Anomaly Detection Applied on Compressors Audio Data

Table 7

Model dimensions and operations overview based on Stacked GRU (created by authors).

Operation		Data	Dimensions	Weights ()	Weights (%)
Input	#####	2	259
GRU	LLLLL	—	—	46,650	60.3%
tanh	#####	2	50
Dropout	|||	—	—	0	0.0%
	#####	2	50
GRU	LLLLL	—	—	15,300	19.8%
tanh	#####	2	50
Dropout	|||	—	—	0	0.0%
	#####	2	50
GRU	LLLLL	—	—	15,300	19.8%
tanh	#####		50
Dropout	|||	—	—	0	0.0%
	#####		50
Dense	XXXXX	—	—	102	0.1%
SoftMax	#####		2