Search Results for author: Johannes Burchert

Found 7 papers, 5 papers with code

Towards Comparable Active Learning

no code implementations30 Nov 2023 Thorben Werner, Johannes Burchert, Lars Schmidt-Thieme

Active Learning has received significant attention in the field of machine learning for its potential in selecting the most informative samples for labeling, thereby reducing data annotation costs.

Active Learning

Forecasting Irregularly Sampled Time Series using Graphs

1 code implementation22 May 2023 Vijaya Krishna Yalavarthi, Kiran Madhusudhanan, Randolf Sholz, Nourhan Ahmed, Johannes Burchert, Shayan Jawed, Stefan Born, Lars Schmidt-Thieme

Forecasting irregularly sampled time series with missing values is a crucial task for numerous real-world applications such as healthcare, astronomy, and climate sciences.

Astronomy Multivariate Time Series Forecasting +1

Tripletformer for Probabilistic Interpolation of Irregularly sampled Time Series

1 code implementation5 Oct 2022 Vijaya Krishna Yalavarthi, Johannes Burchert, Lars Schmidt-Thieme

Results indicate an improvement in negative loglikelihood error by up to 32% on real-world datasets and 85% on synthetic datasets when using the Tripletformer compared to the next best model.

Astronomy Medical Diagnosis +2

DCSF: Deep Convolutional Set Functions for Classification of Asynchronous Time Series

1 code implementation24 Aug 2022 Vijaya Krishna Yalavarthi, Johannes Burchert, Lars Schmidt-Thieme

Because of the asynchronous nature, they pose a significant challenge to deep learning architectures, which presume that the time series presented to them are regularly sampled, fully observed, and aligned with respect to time.

Astronomy Classification +3

Few-Shot Forecasting of Time-Series with Heterogeneous Channels

1 code implementation7 Apr 2022 Lukas Brinkmeyer, Rafael Rego Drumond, Johannes Burchert, Lars Schmidt-Thieme

Learning complex time series forecasting models usually requires a large amount of data, as each model is trained from scratch for each task/data set.

Classification Time Series +2

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