Learning deep autoregressive models for hierarchical data

Carl R. Andersson, Niklas Wahlström, Thomas B. Schön

We propose a model for hierarchical structured data as an extension to the stochastic temporal convolutional network (STCN). The proposed model combines an autoregressive model with a hierarchical variational autoencoder and downsampling to achieve superior computational complexity. We evaluate the proposed model on two different types of sequential data: speech and handwritten text. The results are promising with the proposed model achieving state-of-the-art performance.

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