Search Results for author: Casper Kaae Sønderby

Found 8 papers, 5 papers with code

IDF++: Analyzing and Improving Integer Discrete Flows for Lossless Compression

no code implementations ICLR 2021 Rianne van den Berg, Alexey A. Gritsenko, Mostafa Dehghani, Casper Kaae Sønderby, Tim Salimans

Furthermore, we zoom in on the effect of gradient bias due to the straight-through estimator in integer discrete flows, and demonstrate that its influence is highly dependent on architecture choices and less prominent than previously thought.

Quantization

Amortised MAP Inference for Image Super-resolution

no code implementations14 Oct 2016 Casper Kaae Sønderby, Jose Caballero, Lucas Theis, Wenzhe Shi, Ferenc Huszár

We show that, using this architecture, the amortised MAP inference problem reduces to minimising the cross-entropy between two distributions, similar to training generative models.

Denoising Image Super-Resolution +1

Auxiliary Deep Generative Models

1 code implementation17 Feb 2016 Lars Maaløe, Casper Kaae Sønderby, Søren Kaae Sønderby, Ole Winther

The auxiliary variables leave the generative model unchanged but make the variational distribution more expressive.

Recurrent Spatial Transformer Networks

2 code implementations17 Sep 2015 Søren Kaae Sønderby, Casper Kaae Sønderby, Lars Maaløe, Ole Winther

We investigate different down-sampling factors (ratio of pixel in input and output) for the SPN and show that the RNN-SPN model is able to down-sample the input images without deteriorating performance.

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