Hedvig Kjellstrom
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Papers from this author
Interpolation in Auto Encoders with Bridge Processes
Carl Ringqvist, Henrik Hult, Judith Butepage, Hedvig Kjellstrom
Auto-TLDR; Stochastic interpolations from auto encoders trained on flattened sequences
Abstract Slides Poster Similar
Auto encoding models have been extensively studied in recent years. They provide an efficient framework for sample generation, as well as for analysing feature learning. Furthermore, they are efficient in performing interpolations between data-points in semantically meaningful ways. In this paper, we introduce a method for generating sequence samples from auto encoders trained on flattened sequences (e.g video sample from auto encoders trained to generate a video frame); as well as a canonical, dimension independent method for generating stochastic interpolations. The distribution of interpolation paths is represented as the distribution of a bridge process constructed from an artificial random data generating process in the latent space, having the prior distribution as its invariant distribution.