Search Results for author: Johannes Pöppelbaum

Found 3 papers, 0 papers with code

Time Series Compression using Quaternion Valued Neural Networks and Quaternion Backpropagation

no code implementations18 Mar 2024 Johannes Pöppelbaum, Andreas Schwung

This time-series is processed using quaternion valued neural network layers, where we aim to preserve the relation between these features through the usage of the Hamilton product.

Contrastive Learning Time Series +1

Quaternion Backpropagation

no code implementations26 Dec 2022 Johannes Pöppelbaum, Andreas Schwung

Quaternion valued neural networks experienced rising popularity and interest from researchers in the last years, whereby the derivatives with respect to quaternions needed for optimization are calculated as the sum of the partial derivatives with respect to the real and imaginary parts.

Predicting Rigid Body Dynamics using Dual Quaternion Recurrent Neural Networks with Quaternion Attention

no code implementations17 Nov 2020 Johannes Pöppelbaum, Andreas Schwung

We propose a novel neural network architecture based on dual quaternions which allow for a compact representation of informations with a main focus on describing rigid body movements.

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